California Laws - Vehicle Code
DIVISION 12. EQUIPMENT OF VEHICLES
CHAPTER 2. LIGHTING EQUIPMENT

CHAPTER 2. LIGHTING EQUIPMENT (10542)(1-click HTML)

Article 1. General Provisions (24250-24255) (10543)(1-click HTML)

24250. During darkness, a vehicle shall be equipped with lighted lighting equipment as required for the vehicle by this chapter. (10544)

24251. Any requirement in this chapter as to the distance from which any lighting equipment shall render a person or vehicle visible or within which any lighting equipment shall be visible shall apply during darkness, directly ahead upon a straight, level unlighted highway, and under normal atmospheric conditions, unless a different time, direction, or condition is expressly stated. (10545)

24252. (a) All lighting equipment of a required type installed on a vehicle shall at all times be maintained in good working order. Lamps shall be equipped with bulbs of the correct voltage rating corresponding to the nominal voltage at the lamp socket. (10546)

(b) The voltage at any tail, stop, license plate, side marker or clearance lamp socket on a vehicle shall not be less than 85 percent of the design voltage of the bulb. Voltage tests shall be conducted with the engine operating. (10547)

(c) Two or more lamp or reflector functions may be combined, provided each function subject to requirements established by the department meets such requirements. (10548)

(1) No turn signal lamp may be combined optically with a stoplamp unless the stoplamp is extinguished when the turn signal is flashing. (10549)

(2) No clearance lamp may be combined optically with any taillamp or identification lamp. (10550)

24253. (a) All motor vehicles manufactured and first registered after January 1, 1970, shall be equipped so all taillamps are capable of remaining lighted for a period of at least one-quarter hour with the engine inoperative. This requirement shall be complied with by an energy storing system which is recharged by energy produced by the vehicle. (10551)

(b) All motorcycles manufactured and first registered after January 1, 1971, shall be equipped so all taillamps, when turned on, will remain lighted automatically for a period of at least one-quarter hour if the engine stops. (10552)

24254. Whenever a requirement is declared as to the mounted height of lamps or reflectors, the height shall be measured from the center of the lamp or reflector to the level surface upon which the vehicle stands when it is without a load. (10553)

24255. (a) A vehicle may be equipped with a system to supplement the driver's visibility of the roadway to the front or rear of the vehicle during darkness. This system may incorporate an illuminating device that emits radiation predominantly in the infrared region of the electromagnetic spectrum and a display monitor to provide an image visible to the driver of the vehicle. The system, or any portion of it, shall not obstruct the vision of the driver, and shall not emit any glaring light visible in any direction or to any person. The illuminating device may be mounted inside the vehicle, if it is constructed and mounted so as to prevent any direct or reflected light, other than a monitorial indicator emitted from the device, from being visible to the driver. (10554)

(b) The system shall be operated only with the headlamps lighted. An illuminating device for the system shall be interlocked with the headlamp switch so that it is operable only when the headlamps are lighted. (10555)

(c) (1) No part of the illuminating device may be physically or optically combined with any other required or permitted lighting device. (10556)

(2) The illuminating device may be installed within a housing containing other required or permitted lighting devices, if the function of the other devices is not impaired thereby. (10557)

Article 2. Headlamps and Auxiliary Lamps (24400-24411) (10558)(1-click HTML)

24400. (a) A motor vehicle, other than a motorcycle, shall (10559)

be equipped with at least two headlamps, with at least one on each side of the front of the vehicle, and, except as to vehicles registered prior to January 1, 1930, they shall be located directly above or in advance of the front axle of the vehicle. The headlamps and every light source in any headlamp unit shall be located at a height of not more than 54 inches nor less than 22 inches. (10560)

(b) A motor vehicle, other than a motorcycle, shall be operated during darkness, or inclement weather, or both, with at least two lighted headlamps that comply with subdivision (a). (10561)

(c) As used in subdivision (b), "inclement weather" is a weather condition that is either of the following: (10562)

(1) A condition that prevents a driver of a motor vehicle from clearly discerning a person or another motor vehicle on the highway from a distance of 1,000 feet. (10563)

(2) A condition requiring the windshield wipers to be in continuous use due to rain, mist, snow, fog, or other precipitation or atmospheric moisture. (10564)

24401. Whenever any motor vehicle is parked or standing upon a highway any headlamp that is lighted shall be dimmed or on the lower beam. (10565)

24402. (a) Any motor vehicle may be equipped with not to exceed two auxiliary driving lamps mounted on the front at a height of not less than 16 inches nor more than 42 inches. Driving lamps are lamps designed for supplementing the upper beam from headlamps and may not be lighted with the lower beam. (10566)

(b) Any motor vehicle may be equipped with not to exceed two auxiliary passing lamps mounted on the front at a height of not less than 24 inches nor more than 42 inches. Passing lamps are lamps designed for supplementing the lower beam from headlamps and may also be lighted with the upper beam. (10567)

24403. (a) A motor vehicle may be equipped with not more than two foglamps that may be used with, but may not be used in substitution of, headlamps. (10568)

(b) On a motor vehicle other than a motorcycle, the foglamps authorized under this section shall be mounted on the front at a height of not less than 12 inches nor more than 30 inches and aimed so that when the vehicle is not loaded none of the high-intensity portion of the light to the left of the center of the vehicle projects higher than a level of four inches below the level of the center of the lamp from which it comes, for a distance of 25 feet in front of the vehicle. (10569)

(c) On a motorcycle, the foglamps authorized under this section shall be mounted on the front at a height of not less than 12 inches nor more than 40 inches and aimed so that when the vehicle is not loaded none of the high-intensity portion of the light to the left of the center of the vehicle projects higher than a level of four inches below the level of the center of the lamp from which it comes, for a distance of 25 feet in front of the vehicle. (10570)

24404. (a) A motor vehicle may be equipped with not to exceed two white spotlamps, which shall not be used in substitution of headlamps. (10571)

(b) No spotlamp shall be equipped with any lamp source exceeding 32 standard candlepower or 30 watts nor project any glaring light into the eyes of an approaching driver. (10572)

(c) Every spotlamp shall be so directed when in use: That no portion of the main substantially parallel beam of light will strike the roadway to the left of the prolongation of the left side line of the vehicle. (10573)

That the top of the beam will not strike the roadway at a distance in excess of 300 feet from the vehicle. (10574)

(d) This section does not apply to spotlamps on authorized emergency vehicles. (10575)

(e) No spotlamp when in use shall be directed so as to illuminate any other moving vehicle. (10576)

24405. (a) Not more than four lamps of the following types showing to the front of a vehicle may be lighted at any one time: (10577)

(1) Headlamps. (10578)

(2) Auxiliary driving or passing lamps. (10579)

(3) Fog lamps. (10580)

(4) Warning lamps. (10581)

(5) Spot lamps. (10582)

(6) Gaseous discharge lamps specified in Section 25258. (10583)

(b) For the purpose of this section each pair of a dual headlamp system shall be considered as one lamp. (10584)

(c) Subdivision (a) does not apply to any authorized emergency vehicle. (10585)

24406. Except as otherwise provided, the headlamps, or other auxiliary driving lamps, or a combination thereof, on a motor vehicle during darkness shall be so arranged that the driver may select at will between distributions of light projected to different elevations, and the lamps may, in addition, be so arranged that the selection can be made automatically. (10586)

24407. Multiple-beam road lighting equipment shall be designed and aimed as follows: (10587)

(a) There shall be an uppermost distribution of light, or composite beam, so aimed and of such intensity as to reveal persons and vehicles at a distance of at least 350 feet ahead for all conditions of loading. (10588)

(b) There shall be a lowermost distribution of light, or composite beam so aimed and of sufficient intensity to reveal a person or vehicle at a distance of at least 100 feet ahead. On a straight level road under any condition of loading none of the high intensity portion of the beam shall be directed to strike the eyes of an approaching driver. (10589)

24408. (a) Every new motor vehicle registered in this state after January 1, 1940, which has multiple-beam road lighting equipment shall be equipped with a beam indicator, which shall be lighted whenever the uppermost distribution of light from the headlamps is in use, and shall not otherwise be lighted. (10590)

(b) The indicator shall be so designed and located that when lighted it will be readily visible without glare to the driver of the vehicle so equipped. Any such lamp on the exterior of the vehicle shall have a light source not exceeding two candlepower, and the light shall not show to the front or sides of the vehicle. (10591)

24409. Whenever a motor vehicle is being operated during darkness, the driver shall use a distribution of light, or composite beam, directed high enough and of sufficient intensity to reveal persons and vehicles at a safe distance in advance of the vehicle, subject to the following requirements and limitations: (10592)

(a) Whenever the driver of a vehicle approaches an oncoming vehicle within 500 feet, he shall use a distribution of light or composite beam so aimed that the glaring rays are not projected into the eyes of the oncoming driver. (10593)

The lowermost distribution of light specified in this article shall be deemed to avoid glare at all times regardless of road contour. (10594)

(b) Whenever the driver of a vehicle follows another vehicle within 300 feet to the rear, he shall use the lowermost distribution of light specified in this article. (10595)

24410. Headlamps arranged to provide a single distribution of light not supplemented by auxiliary driving lamps are permitted on motor vehicles manufactured and sold prior to September 19, 1940, in lieu of multiple-beam road lighting equipment if the single distribution of light complies with the following requirements and limitations: (10596)

(a) The headlamps shall be so aimed that when the vehicle is not loaded none of the high-intensity portion of the light shall at a distance of 25 feet ahead project higher than a level of five inches below the level of the center of the lamp from which it comes, and in no case higher than 42 inches above the level on which the vehicle stands at a distance of 75 feet ahead. (10597)

(b) The intensity shall be sufficient to reveal persons and vehicles at a distance of at least 200 feet. (10598)

24411. Notwithstanding any other provision of law, a vehicle may be equipped with not more than eight lamps for use as headlamps while the vehicle is operated or driven off the highway. The lamps shall be mounted at a height of not less than 16 inches from the ground, or more than 12 inches above the top of the passenger compartment, at any place between the front of the vehicle and a line lying on a point 40 inches to the rear of the seat occupied by the driver, shall be wired independently of all other lighting circuits, and, whenever the vehicle is operated or driven upon a highway, shall be covered or hooded with an opaque hood or cover, and turned off. (10599)

Article 3. Rear Lighting Equipment (24600-24617) (10600)(1-click HTML)

24600. During darkness every motor vehicle which is not in combination with any other vehicle and every vehicle at the end of a combination of vehicles shall be equipped with lighted taillamps mounted on the rear as follows: (10601)

(a) Every vehicle shall be equipped with one or more taillamps. (10602)

(b) Every vehicle, other than a motorcycle, manufactured and first registered on or after January 1, 1958, shall be equipped with not less than two taillamps, except that trailers and semitrailers manufactured after July 23, 1973, which are less than 30 inches wide, may be equipped with one taillamp which shall be mounted at or near the vertical centerline of the vehicles. If a vehicle is equipped with two taillamps, they shall be mounted as specified in subdivision (d). (10603)

(c) Every vehicle or vehicle at the end of a combination of vehicles, subject to subdivision (a) of Section 22406 shall be equipped with not less than two taillamps. (10604)

(d) When two taillamps are required, at least one shall be mounted at the left and one at the right side respectively at the same level. (10605)

(e) Taillamps shall be red in color and shall be plainly visible from all distances within 500 feet to the rear except that taillamps on vehicles manufactured after January 1, 1969, shall be plainly visible from all distances within 1,000 feet to the rear. (10606)

(f) Taillamps on vehicles manufactured on or after January 1, 1969, shall be mounted not lower than 15 inches nor higher than 72 inches, except that a tow truck, in addition to being equipped with the required taillamps, may also be equipped with two taillamps which may be mounted not lower than 15 inches nor higher than the maximum allowable vehicle height and as far forward as the rearmost portion of the driver's seat in the rearmost position. The additional taillamps on a tow truck shall be lighted whenever the headlamps are lighted. (10607)

24601. Either the taillamp or a separate lamp shall be so constructed and placed as to illuminate with a white light the rear license plate during darkness and render it clearly legible from a distance of 50 feet to the rear. When the rear license plate is illuminated by a lamp other than a required taillamp, the two lamps shall be turned on or off only by the same control switch at all times. (10608)

24602. (a) A vehicle may be equipped with not more than two red fog taillamps mounted on the rear which may be lighted, in addition to the required taillamps, only when atmospheric conditions, such as fog, rain, snow, smoke, or dust, reduce the daytime or nighttime visibility of other vehicles to less than 500 feet. (10609)

(b) The lamps authorized under subdivision (a) shall be installed as follows: (10610)

(1) When two lamps are installed, one shall be mounted at the left side and one at the right side at the same level and as close as practical to the sides. When one lamp is installed, it shall be mounted as close as practical to the left side or on the center of the vehicle. (10611)

(2) The lamps shall be mounted not lower than 12 inches nor higher than 60 inches. (10612)

(3) The edge of the lens of the lamp shall be no closer than four inches from the edge of the lens of any stoplamp. (10613)

(4) The lamps shall be wired so they can be turned on only when the headlamps are on and shall have a switch that allows them to be turned off when the headlamps are on. (10614)

(5) A nonflashing amber pilot light that is lighted when the lamps are turned on shall be mounted in a location readily visible to the driver. (10615)

24603. Every motor vehicle that is not in combination with any other vehicle and every vehicle at the end of a combination of vehicles shall at all times be equipped with stoplamps mounted on the rear as follows: (10616)

(a) Every such vehicle shall be equipped with one or more stoplamps. (10617)

(b) Every such vehicle, other than a motorcycle, manufactured and first registered on or after January 1, 1958, shall be equipped with two stoplamps, except that trailers and semitrailers manufactured after July 23, 1973, which are less than 30 inches wide, may be equipped with one stoplamp which shall be mounted at or near the vertical centerline of the trailer. If such vehicle is equipped with two stoplamps, they shall be mounted as specified in subdivision (d). (10618)

(c) Except as provided in subdivision (h), stoplamps on vehicles manufactured on or after January 1, 1969, shall be mounted not lower than 15 inches nor higher than 72 inches, except that a tow truck or a repossessor's tow vehicle, in addition to being equipped with the required stoplamps, may also be equipped with two stoplamps which may be mounted not lower than 15 inches nor higher than the maximum allowable vehicle height and as far forward as the rearmost portion of the driver's seat in the rearmost position. (10619)

(d) Where two stoplamps are required, at least one shall be mounted at the left and one at the right side, respectively, at the same level. (10620)

(e) Stoplamps on vehicles manufactured on or after January 1, 1979, shall emit a red light. Stoplamps on vehicles manufactured before January 1, 1979, shall emit a red or yellow light. All stoplamps shall be plainly visible and understandable from a distance of 300 feet to the rear both during normal sunlight and at nighttime, except that stoplamps on a vehicle of a size required to be equipped with clearance lamps shall be visible from a distance of 500 feet during those times. (10621)

(f) Stoplamps shall be activated upon application of the service (foot) brake and the hand control head for air, vacuum, or electric brakes. In addition, all stoplamps may be activated by a mechanical device designed to function only upon sudden release of the accelerator while the vehicle is in motion. Stoplamps on vehicles equipped with a manual transmission may be manually activated by a mechanical device when the vehicle is downshifted if the device is automatically rendered inoperative while the vehicle is accelerating. (10622)

(g) Any vehicle may be equipped with supplemental stoplamps mounted to the rear of the rearmost portion of the driver's seat in its rearmost position in addition to the lamps required to be mounted on the rear of the vehicle. Supplemental stoplamps installed after January 1, 1979, shall be red in color and mounted not lower than 15 inches above the roadway. The supplemental stoplamp on that side of a vehicle toward which a turn will be made may flash as part of the supplemental turn signal lamp. (10623)

A supplemental stoplamp may be mounted inside the rear window of a vehicle, if it is mounted at the centerline of the vehicle and is constructed and mounted so as to prevent any light, other than a monitorial indicator emitted from the device, either direct or reflected, from being visible to the driver. (10624)

(h) Any supplemental stoplamp installed after January 1, 1987, shall comply with Federal Motor Vehicle Safety Standard No. 108 (49 C.F.R. 571.108). Any vehicle equipped with a stoplamp that complies with the federal motor vehicle safety standards applicable to that make and model vehicle shall conform to that applicable safety standard unless modified to comply with the federal motor vehicle safety standard designated in this subdivision. (10625)

24604. Whenever the load upon any vehicle extends, or whenever any integral part of any vehicle projects, to the rear four feet or more beyond the rear of the vehicle, as measured from the taillamps, there shall be displayed at the extreme end of the load or projecting part of the vehicle during darkness, in addition to the required taillamp, two red lights with a bulb rated not in excess of six candlepower plainly visible from a distance of at least 500 feet to the sides and rear. At any other time there shall be displayed at the extreme end of the load or projecting part of the vehicle a solid red or fluorescent orange flag or cloth not less than 12 inches square. (10626)

24605. (a) A tow truck or an automobile dismantler's tow vehicle used to tow a vehicle shall be equipped with and carry a taillamp, a stoplamp, and turn signal lamps for use on the rear of a towed vehicle. (10627)

(b) Whenever a tow truck or an automobile dismantler's tow vehicle is towing a vehicle and a stoplamp and turn signal lamps cannot be lighted and displayed on the rear of the towed vehicle, the operator of the tow truck or the automobile dismantler's tow vehicle shall display to the rear a stoplamp and turn signal lamps mounted on the towed vehicle, except as provided in subdivision (c). During darkness, if a taillamp on the towed vehicle cannot be lighted, the operator of the tow truck or the automobile dismantler's tow vehicle shall display to the rear a taillamp mounted on the towed vehicle. No other lighting equipment need be displayed on the towed vehicle. (10628)

(c) Whenever any motor vehicle is towing another motor vehicle, stoplamps and turn signal lamps are not required on the towed motor vehicle, but only if a stoplamp and a turn signal lamp on each side of the rear of the towing vehicle is plainly visible to the rear of the towed vehicle. This subdivision does not apply to driveaway-towaway operations. (10629)

24606. (a) Every motor vehicle, other than a motorcycle, of a type subject to registration and manufactured on and after January 1, 1969, shall be equipped with one or more backup lamps either separately or in combination with another lamp. Any vehicle may be equipped with backup lamps. (10630)

(b) Backup lamps shall be so directed as to project a white light illuminating the highway to the rear of the vehicle for a distance not to exceed 75 feet. A backup lamp may project incidental red, amber, or white light through reflectors or lenses that are adjacent or close to, or a part of, the lamp assembly. (10631)

(c) Backup lamps shall not be lighted except when the vehicle is about to be or is backing or except in conjunction with a lighting system which activates the lights for a temporary period after the ignition system is turned off. (10632)

(d) Any motor vehicle may be equipped with a lamp emitting white light on each side near or on the rear of the vehicle which is designed to provide supplemental illumination in an area to the side and rear not lighted by the backup lamps. These lamps shall be lighted only with the backup lamps. (10633)

24607. Every vehicle subject to registration under this code shall at all times be equipped with red reflectors mounted on the rear as follows: (10634)

(a) Every vehicle shall be equipped with at least one reflector so maintained as to be plainly visible at night from all distances within 350 to 100 feet from the vehicle when directly in front of the lawful upper headlamp beams. (10635)

(b) Every vehicle, other than a motorcycle or a low-speed vehicle, manufactured and first registered on or after January 1, 1965, shall be equipped with at least two reflectors meeting the visibility requirements of subdivision (a), except that trailers and semitrailers manufactured after July 23, 1973, that are less than 30 inches wide, may be equipped with one reflector which shall be mounted at or near the vertical centerline of the trailer. If the vehicle is equipped with two reflectors, they shall be mounted as specified in subdivision (d). (10636)

(c) Every motortruck having an unladen weight of more than 5,000 pounds, every trailer coach, every camp trailer, every vehicle, or vehicle at the end of a combination of vehicles, subject to subdivision (a) of Section 22406, and every vehicle 80 or more inches in width manufactured on or after January 1, 1969, shall be equipped with at least two reflectors maintained so as to be plainly visible at night from all distances within 600 feet to 100 feet from the vehicle when directly in front of lawful upper headlamp beams. (10637)

(d) When more than one reflector is required, at least one shall be mounted at the left side and one at the right side, respectively, at the same level. Required reflectors shall be mounted not lower than 15 inches nor higher than 60 inches, except that a tow truck, in addition to being equipped with the required reflectors, may also be equipped with two reflectors which may be mounted not lower than 15 inches nor higher than the maximum allowable vehicle height and as far forward as the rearmost portion of the driver's seat in the rearmost position. Additional reflectors of a type meeting requirements established by the department may be mounted at any height. (10638)

(e) Reflectors on truck tractors may be mounted on the rear of the cab. Any reflector installed on a vehicle as part of its original equipment prior to January 1, 1941, need not meet the requirements of the department provided it meets the visibility requirements of subdivision (a). (10639)

(f) Area reflectorizing material may be used in lieu of the reflectors required or permitted in subdivisions (a), (b), (c), (d), and (e), provided each installation is of sufficient size to meet the photometric requirement for those reflectors. (10640)

24608. (a) Motortrucks, trailers, semitrailers, and buses 80 or more inches in width manufactured on or after January 1, 1968, shall be equipped with an amber reflector on each side at the front and a red reflector on each side at the rear. Any vehicle may be so equipped. (10641)

(b) Motortrucks, trailers, semitrailers, housecars, and buses 80 or more inches in width and 30 or more feet in length manufactured on or after January 1, 1968, shall be equipped with an amber reflector mounted on each side at the approximate midpoint of the vehicle. Any such vehicle manufactured prior to January 1, 1968, may be so equipped. (10642)

(c) Required reflectors on the sides of vehicles shall be mounted not lower than 15 inches nor higher than 60 inches. Additional reflectors of a type meeting requirements established by the department may be mounted at any height. (10643)

(d) Reflectors required or permitted in subdivisions (a) and (b) shall be so maintained as to be plainly visible at night from all distances within 600 feet to 100 feet from the vehicle when directly in front of lawful upper headlamp beams. (10644)

(e) Area reflectorizing material may be used in lieu of the reflectors required or permitted in subdivisions (a) and (b), provided each installation is of sufficient size to meet the photometric requirement for such reflectors. (10645)

24609. (a) A vehicle may be equipped with white or amber reflectors that are mounted on the front of the vehicle at a height of 15 inches or more, but not more than 60 inches from the ground. (10646)

(b) A schoolbus may be equipped with a set of two devices, with each device in the set consisting of an amber reflector integrated into the lens of an amber light that is otherwise permitted under this code, if the set is mounted with one device on the left side and one on the right side of the vehicle, and with each device at the same level. (10647)

24610. A reflector placed on vehicles under Section 24609 which is of the button or other multiple-unit type shall contain not less than seven units with a total of not less than three square inches of reflecting surface. The red reflectors required may be separate units or a part of the red taillamps, but in either event the reflector and taillamps shall comply with all of the requirements of Sections 24600, 24602, and 24609, and any reflector constituting an integral part of a taillamp shall comply with all photometric requirements applicable to a separate reflector. (10648)

24611. Trailers that are equipped with red and white reflective sheeting or reflectors on both the sides and rear and displayed in accordance with federal Motor Vehicle Safety Standard regulations (49 C.F.R. 571.108) for trailers with a width of 80 inches or more and having a gross vehicle weight rating of over 10,000 pounds need not be equipped with the reflectors required by Section 24607 or 24608. (10649)

24612. (a) All trailers and semitrailers having an overall width of 80 inches or more and a gross vehicle weight rating of more than 10,000 pounds, and manufactured on or after December 1, 1993, except those designed exclusively for living or office use, and all truck tractors manufactured on or after July 1, 1997, shall be equipped with the conspicuity system specified in federal Motor Vehicle Safety Standard No. 108 (49 C.F.R. 571.108). The conspicuity system shall consist of either retroreflective sheeting or reflex reflectors, or a combination of retroreflective sheeting and reflex reflectors, as specified in the federal standard applicable on the date of manufacture of the vehicle. (10650)

(b) Any trailer, semitrailer, or motor truck having an overall width of 80 inches or more and manufactured prior to December 1, 1993, and any truck tractor manufactured prior to July 1, 1997, may be equipped with the conspicuity system described in subdivision (a). (10651)

24615. It is unlawful to operate upon a public highway any vehicle or combination of vehicles, which is designed to be and is operated at a speed of 25 miles per hour or less, unless the rearmost vehicle displays a "slow-moving vehicle emblem," except upon vehicles used by a utility, whether publicly or privately owned, for the construction, maintenance, or repair of its own facilities or upon vehicles used by highway authorities or bridge or highway districts in highway maintenance, inspection, survey, or construction work, while such vehicle is engaged in work at the jobsite upon a highway. Any other vehicle or combination of vehicles, when operated at a speed of 25 miles per hour or less, may display such emblem. The emblem shall be mounted on the rear of the vehicle, base down, and at a height of not less than three nor more than five feet from ground to base. Such emblem shall consist of a truncated equilateral triangle having a minimum height of 14 inches with a red reflective border not less than 1 3/4 inches in width and a fluorescent orange center. (10652)

This emblem shall not be displayed except as permitted or required by this section. (10653)

24616. (a) A motor vehicle may be equipped with one or two rear-facing auxiliary lamps. For the purposes of this section, a rear-facing auxiliary lamp is a lamp that is mounted on the vehicle facing rearward. That lamp shall meet the photometric and performance requirements of the Society of Automotive Engineers Standard J1424 for cargo lamps. (10654)

(b) A rear-facing auxiliary lamp may project only a white light, with the main cone of light projecting both rearward and downward. The main cone of light shall illuminate the road surface or ground immediately rearward of a line parallel to the rear of the vehicle for a distance not greater than 50 feet. The main cone of light may not project to the front or sides of the vehicle. (10655)

(c) A rear-facing auxiliary lamp may be activated only when the vehicle is stopped. A vehicle equipped with a rear-facing auxiliary lamp shall also be equipped with a system that allows activation of the lamp only when the vehicle is in the "park" setting, if the vehicle is equipped with an automatic transmission, or in the "neutral" setting with the parking brake engaged, if the vehicle is equipped with a manual transmission. (10656)

(d) A vehicle equipped with a rear-facing auxiliary lamp may have an activation switch accessible to the operator from the rear of the vehicle. (10657)

24617. (a) A transit bus may be authorized to be equipped with a yield right-of-way sign on the left rear of the bus. The yield right-of-way sign may flash simultaneously with the rear turn signal lamps, but is not required to do so. The sign shall be both of the following: (10658)

(1) Designed to warn a person operating a motor vehicle approaching the rear of the bus that the bus is entering traffic. (10659)

(2) Illuminated by a red flashing light when the bus is signaling in preparation for entering a traffic lane after having stopped to receive or discharge passengers. (10660)

(b) This section does not require a transit agency to install the yield right-of-way sign described in subdivision (a). (10661)

(c) This section does not relieve the driver of a transit bus from the duty to drive the bus with due regard for the safety of all persons and property. This section does not exempt the driver of a transit bus from Section 21804. (10662)

(d) This section applies only to the Santa Cruz Metropolitan Transit District and the Santa Clara Valley Transportation Authority, if the governing board of the applicable entity approves a resolution, after a public hearing on the issue, requesting that this section be made applicable to it. (10663)

(e) A participating transit agency shall undertake a public education program to encourage motorists to yield to a transit bus when the sign specified in subdivision (a) is activated. (10664)

Article 4. Parking Lamps (24800-24802) (10665)(1-click HTML)

24800. No vehicle shall be driven at any time with the parking lamps lighted except when the lamps are being used as turn signal lamps or when the headlamps are also lighted. (10666)

24801. Parking lamps are those lamps permitted by Section 25106, or any lamps mounted on the front of a vehicle, designed to be displayed primarily when the vehicle is parked. (10667)

24802. No lights need be displayed upon a vehicle which is: (10668)

(a) Parked off the roadway and not in a hazardous position on the highway; or (10669)

(b) Parked with a wheel within 18 inches of a curb; or (10670)

(c) Parked within a business or residence district with a wheel within 18 inches of a curb or edge of the roadway. (10671)

Article 5. Signal Lamps and Devices (24950-24953) (10672)(1-click HTML)

24950. Whenever any motor vehicle is towing a trailer coach or a camp trailer the combination of vehicles shall be equipped with a lamp-type turn signal system. (10673)

24951. (a) Any vehicle may be equipped with a lamp-type turn signal system capable of clearly indicating any intention to turn either to the right or to the left. (10674)

(b) The following vehicles shall be equipped with a lamp-type turn signal system meeting the requirements of this chapter. (10675)

(1) Motortrucks, truck tractors, buses and passenger vehicles, other than motorcycles, manufactured and first registered on or after January 1, 1958. (10676)

(2) Trailers and semitrailers manufactured and first registered between December 31, 1957, and January 1, 1969, having a gross weight of 6,000 pounds or more. (10677)

(3) Trailers and semitrailers 80 or more inches in width manufactured on or after January 1, 1969. (10678)

(4) Motorcycles manufactured and first registered on or after January 1, 1973, except motor-driven cycles whose speed attainable in one mile is 30 miles per hour or less. (10679)

The requirements of this subdivision shall not apply to special mobile equipment, or auxiliary dollies. (10680)

(c) Turn signal lamps on vehicles manufactured on or after January 1, 1969, shall be mounted not lower than 15 inches. (10681)

24952. A lamp-type turn signal shall be plainly visible and understandable in normal sunlight and at nighttime from a distance of at least 300 feet to the front and rear of the vehicle, except that turn signal lamps on vehicles of a size required to be equipped with clearance lamps shall be visible from a distance of 500 feet during such times. (10682)

24953. (a) Any turn signal system used to give a signal of intention to turn right or left shall project a flashing white or amber light visible to the front and a flashing red or amber light visible to the rear. (10683)

(b) Side-mounted turn signal lamps projecting a flashing amber light to either side may be used to supplement the front and rear turn signals. Side-mounted turn signal lamps mounted to the rear of the center of the vehicle may project a flashing red light no part of which shall be visible from the front. (10684)

(c) In addition to any required turn signal lamps, any vehicle may be equipped with supplemental rear turn signal lamps mounted to the rear of the rearmost portion of the driver's seat in its rearmost position. (10685)

(d) In addition to any required or authorized turn signal lamps, any vehicle may be equipped with supplemental rear turn signal lamps that are mounted on, or are an integral portion of, the outside rearview mirrors, so long as the lamps flash simultaneously with the rear turn signal lamps, the light emitted from the lamps is projected only to the rear of the vehicle and is not visible to the driver under normal operating conditions, except for a visual indicator designed to allow monitoring of lamp operation, and the lamps do not project a glaring light. (10686)

Article 6. Side and Fender Lighting Equipment (25100-25110) (10687)(1-click HTML)

25100. (a) Except as provided in subdivisions (b) and (d), every vehicle 80 inches or more in overall width shall be equipped during darkness as follows: (10688)

(1) At least one amber clearance lamp on each side mounted on a forward-facing portion of the vehicle and visible from the front and at least one red clearance lamp on each side mounted on a rearward-facing portion of the vehicle and visible from the rear. (10689)

(2) At least one amber side-marker lamp on each side near the front and at least one red side-marker lamp on each side near the rear. (10690)

(3) At least one amber side-marker lamp on each side at or near the center on trailers and semitrailers 30 feet or more in length and which are manufactured and first registered after January 1, 1962. Any such vehicle manufactured and first registered prior to January 1, 1962, may be so equipped. (10691)

(4) At least one amber side-marker lamp mounted at approximate midpoint of housecars, motortrucks, and buses 30 or more feet in length and manufactured on or after January 1, 1969. Any such vehicle manufactured prior to January 1, 1969, may be so equipped. (10692)

(5) Combination clearance and side-marker lamps mounted as side-marker lamps and meeting the visibility requirements for both types of lamps may be used in lieu of required individual clearance or side-marker lamps. (10693)

(b) The following vehicles when 80 inches or more in overall width and not equipped as provided in subdivision (a) shall be equipped during darkness as follows: (10694)

(1) Truck tractors shall be equipped with at least one amber clearance lamp on each side on the front of the cab or sleeper and may be equipped with amber side-marker lamps on each side. (10695)

(2) Truck tractors manufactured on or after January 1, 1969, shall be equipped with one amber side-marker lamp on each side near the front. (10696)

(3) Pole or pipe dollies, or logging dollies, shall be equipped with at least one combination clearance and side-marker lamp on each side showing red to the front, side, and rear. (10697)

(4) Vehicles, except truck tractors, which are 80 inches or more in width over a distance not exceeding three feet from front to rear shall be equipped with at least one amber combination clearance lamp and side-marker lamp on each side visible from the front, side, and rear if the projection is near the front of the vehicle and at least one red lamp if the projection is near the rear of the vehicle. (10698)

(5) Towing motor vehicles engaged in driveaway-towaway operations shall be equipped with at least one amber clearance lamp at each side on the front and at least one amber side-marker lamp on each side near the front. (10699)

(6) Towed motor vehicles engaged in driveaway-towaway operations shall be equipped with at least one amber side-marker lamp on each side of intermediate vehicles, and the rearmost vehicle shall be equipped with at least one red side-marker lamp on each side and at least one red clearance lamp on each side on the rear. (10700)

(7) Trailers and semitrailers designed for transporting single boats in a cradle-type mounting and for launching the boat from the rear of the trailer need not be equipped with front and rear clearance lamps provided amber clearance lamps showing to the front and red clearance lamps showing to the rear are located on each side at or near the midpoint between the front and rear of the trailer to indicate the extreme width of the trailer. (10701)

(c) Loads extending beyond the side of a vehicle where the overall width of the vehicle and load is 80 inches or more shall be equipped with an amber combination clearance and side-marker lamp on the side at the front and a red combination clearance and side-marker lamp on the side at the rear. In lieu of the foregoing requirement, projecting loads not exceeding three feet from front to rear at the extreme width shall be equipped with at least one amber combination clearance and side-marker lamp on the side visible from the front, side, and rear if the projection is near the front of the vehicle and at least one red lamp if the projection is near the rear of the vehicle. (10702)

(d) Clearance and side-marker lamps are not required on auxiliary dollies or on passenger vehicles other than a housecar. (10703)

(e) Clearance lamps shall be visible from all distances between 500 feet and 50 feet to the front or rear of the vehicle, and side-marker lamps shall be visible from all distances between 500 feet and 50 feet to the side of the vehicle. (10704)

(f) Clearance lamps shall, so far as is practicable, be mounted to indicate the extreme width of the vehicle. Side-marker lamps shall be mounted not lower than 15 inches on vehicles manufactured on and after January 1, 1968. Combination clearance and side-marker lamps required on loads shall be mounted so the lenses project to the outer extremity of the vehicle or load. (10705)

25100.1. Notwithstanding any other provisions of this code, an ambulance may be equipped with clearance and side-marker lamps. (10706)

25102. In addition to the lamps otherwise permitted by this chapter, any motor vehicle may be equipped with lamps on the sides thereof, visible from the side of the vehicle but not from the front or rear thereof, which lamps, together with mountings or receptacles, shall be set into depressions or recesses in the body of the vehicle and shall not protrude beyond or outside the body of the vehicle. The light source in each of the lamps shall not exceed two candlepower and shall emit diffused light of any color, except that the color red is permitted only on authorized emergency vehicles. (10707)

25102.5. (a) A schoolbus may be equipped with lamps mounted so as to be visible from the sides of the bus which may be lighted, in addition to other required lights, when, and only when, atmospheric conditions such as fog, rain, snow, smoke, or dust, reduce the visibility of other vehicles to less than 500 feet. (10708)

(b) The type and mounting requirements of such lamps shall be established by regulations adopted by the department. The regulations shall be adopted by January 1, 1980. (10709)

25103. Whenever the load upon any vehicle extends from the left side of the vehicle one foot or more, there shall be displayed at the extreme left side of the load during darkness: (10710)

(a) An amber lamp plainly visible for 300 feet to the front and rear of the vehicle. (10711)

(b) An amber lamp at the front visible for 300 feet to the front and a red lamp at the rear plainly visible for 300 feet to the rear of the vehicle if the projecting load exceeds 120 inches in length. (10712)

The lamp shall not contain a bulb rated in excess of six candlepower. (10713)

25104. Any vehicle or equipment that requires a permit issued pursuant to Article 6 (commencing with Section 35780) of Chapter 5 of Division 15 because it is wider than permitted under Chapter 2 (commencing with Section 35100) of Division 15 shall display a solid red or fluorescent orange flag or cloth not less than 12 inches square at the extreme left front and left rear of the vehicle or equipment, if the vehicle or equipment is being operated other than during darkness. (10714)

25105. (a) Any motor vehicle may be equipped with running board or door-mounted courtesy lamps. The bulbs in the lamps shall not exceed six standard candlepower and shall emit either a green or white light without glare. The beams of the lamps shall not be visible to the front or rear of the vehicle. (10715)

(b) Any motor vehicle may be equipped with inside door-mounted red lamps or red reflectorizing devices or material visible to the rear of the vehicle when the doors are open. The bulbs in the lamps shall not exceed six standard candlepower. (10716)

(c) Any motor vehicle may be equipped with exterior lamps for the purpose of lighting the entrances and exits of the vehicles, which lamps may be lighted only when the vehicles are not in motion. The lamp source of the exterior lamps shall not exceed 32 standard candlepower, or 30 watts, nor project any glaring light into the eyes of an approaching driver. (10717)

25106. (a) Any motor vehicle may be equipped with lighted white or amber cowl or fender lamps on the front. Any vehicle may be equipped with not more than one amber side lamp on each side near the front, nor more than one red side lamp on each side near the rear. The light source of each such lamp shall not exceed four standard candlepower. (10718)

(b) Lamps meeting requirements established by the department for side-marker or combination clearance and side-marker lamps may be installed on the sides of vehicles at any location, but any lamp installed within 24 inches of the rear of the vehicle shall be red, and any lamp installed at any other location shall be amber. (10719)

25107. Any motor vehicle may be equipped with not more than two cornering lamps designed and of sufficient intensity for the purpose of revealing objects only in the direction of turn while the vehicle is turning or while the turn signal lamps are operating to signal an intention to turn. The lamps shall be designed so that no glaring light is projected into the eyes of an approaching driver. (10720)

25108. (a) Any motor vehicle may be equipped with not more than two amber turn-signal pilot indicators mounted on the exterior. The light output from any indicator shall not exceed five candlepower unless a provision is made for operating the indicator at reduced intensity during darkness in which event the light output shall not exceed five candlepower during darkness or 15 candlepower at any other time. The center of the beam shall be projected toward the driver. (10721)

(b) Any vehicle may be equipped with pilot indicators visible from the front to monitor the functioning or condition of parts essential to the operation of the vehicle or of equipment attached to the vehicle that is necessary for protection of the cargo or load. The pilot indicators shall be steady-burning, having a projected lighted lens area of not more than three-quarters of a square inch and have a light output of not more than five candlepower. The pilot indicator may be of any color except red. (10722)

(c) Other exterior pilot indicators of any color may be used for monitoring exterior lighting devices, provided that the area of each indicator is less than 0.20 square inches, the intensity of each indicator does not exceed 0.10 candlepower, and the color red is not visible to the front. (10723)

(d) Any towed vehicle may be equipped with an exterior-mounted indicator lamp used only to indicate the functional status of an antilock braking system providing that either of the following conditions are met: (10724)

(1) The indicator lamp complies with the applicable requirements of the federal motor vehicle safety standards. (10725)

(2) The indicator lamp is designed and located so that it will be readily visible, with the assistance of a rearview mirror if necessary, to the driver of the towing motor vehicle and the indicator lamp has a light source not exceeding five candlepower. The light shall not show to the sides or rear of the vehicle and the indicator lamp may emit any color except red. (10726)

(e) (1) Notwithstanding any other provision of law, any motor vehicle may be equipped with not more than two exterior-lighted data monitors that transmit information to the driver of the vehicle regarding the efficient or safe operation, or both the efficient and safe operation, of the vehicle. (10727)

(2) Data monitors shall comply with all of the following conditions: (10728)

(A) Be mounted to the vehicle in a manner so that they are readily visible to the driver of the vehicle when the driver is seated in the normal driving position. Data monitors shall not be designed to convey information to any person other than the driver of the vehicle. (10729)

(B) Be limited in size to not more than two square inches of lighted area each. (10730)

(C) Not emit a light brighter than reasonably necessary to convey the intended information. (10731)

(D) Not project a glaring light to the driver or, to other motorists, or to any other person. (10732)

(3) Data monitors may incorporate flashing or changing elements only as necessary to convey the intended information. Data monitors shall not resemble any official traffic-control device or required lighting device or be combined with any required lighting device. (10733)

(4) Data monitors may display any color, except that the color red shall not be visible to the front of the vehicle. (10734)

25109. Any motor vehicle may be equipped with two white or amber running lamps mounted on the front, one at each side, which shall not be lighted during darkness except while the motor vehicle is parked. (10735)

25110. (a) The following vehicles may be equipped with utility flood or loading lamps mounted on the rear, and sides, that project a white light illuminating an area to the side or rear of the vehicle for a distance not to exceed 75 feet at the level of the roadway: (10736)

(1) Tow trucks that are used to tow disabled vehicles may display utility floodlights, but only during the period of preparation for towing at the location from which a disabled vehicle is to be towed. (10737)

(2) Ambulances used to respond to emergency calls may display utility flood and loading lights, but only at the scene of an emergency or while loading or unloading patients. (10738)

(3) Firefighting equipment designed and operated exclusively as such may display utility floodlamps only at the scene of an emergency. (10739)

(4) Vehicles used by law enforcement agencies or organizations engaged in the detoxification of alcoholics may display utility flood or loading lights when loading or unloading persons under the influence of intoxicants for transportation to detoxification centers or places of incarceration. (10740)

(5) Vehicles used by law enforcement agencies for mobile blood alcohol testing, drug evaluation, or field sobriety testing (10741)

(6) Vehicles used by publicly or privately owned public utilities may display utility flood or loading lights when engaged in emergency roadside repair of electric, gas, telephone, telegraph, water, or sewer facilities. (10742)

(b) Lamps permitted under subdivision (a) shall not be lighted during darkness, except while the vehicle is parked, nor project any glaring light into the eyes of an approaching driver. (10743)

Article 7. Flashing and Colored Lights (25250-25282) (10744)(1-click HTML)

25250. Flashing lights are prohibited on vehicles except as otherwise permitted. (10745)

25251. (a) Flashing lights are permitted on vehicles as follows: (10746)

(1) To indicate an intention to turn or move to the right or left upon a roadway, turn signal lamps and turn signal exterior pilot indicator lamps and side lamps permitted under Section 25106 may be flashed on the side of a vehicle toward which the turn or movement is to be made. (10747)

(2) When disabled or parked off the roadway but within 10 feet of the roadway, or when approaching, stopped at, or departing from, a railroad grade crossing, turn signal lamps may be flashed as warning lights if the front turn signal lamps at each side are being flashed simultaneously and the rear turn signal lamps at each side are being flashed simultaneously. (10748)

(3) To warn other motorists of accidents or hazards on a roadway, turn signal lamps may be flashed as warning lights while the vehicle is approaching, overtaking, or passing the accident or hazard on the roadway if the front turn signal lamps at each side are being flashed simultaneously and the rear turn signal lamps at each side are being flashed simultaneously. (10749)

(4) For use on authorized emergency vehicles. (10750)

(5) To warn other motorists of a funeral procession, turn signal lamps may be flashed as warning lights on all vehicles actually engaged in a funeral procession, if the front turn signal lamps at each side are being flashed simultaneously and the rear turn signal lamps at each side are being flashed simultaneously. (10751)

(b) Turn signal lamps shall be flashed as warning lights whenever a vehicle is disabled upon the roadway and the vehicle is equipped with a device to automatically activate the front turn signal lamps at each side to flash simultaneously and the rear turn signal lamps at each side to flash simultaneously, if the device and the turn signal lamps were not rendered inoperative by the event which caused the vehicle to be disabled. (10752)

(c) Side lamps permitted under Section 25106 and used in conjunction with turn signal lamps may be flashed with the turn signal lamps as part of the warning light system, as provided in paragraphs (2) and (3) of subdivision (a). (10753)

(d) Required or permitted lamps on a trailer or semitrailer may flash when the trailer or semitrailer has broken away from the towing vehicle and the connection between the vehicles is broken. (10754)

(e) Hazard warning lights, as permitted by paragraphs (2) and (3) of subdivision (a) may be flashed in a repeating series of short and long flashes when the driver is in need of help. (10755)

25251.1. Any implement of husbandry displaying a slow moving vehicle emblem, as defined in Section 24615, and being operated at a speed of 25 miles per hour or less, may be equipped with double-faced amber turn signals which may be flashed simultaneously as warning lights. (10756)

25251.2. Any motorcycle may be equipped with a means of modulating the upper beam of the headlamp between a high and a lower brightness at a rate of 200 to 280 flashes per minute. Such headlamps shall not be so modulated during darkness. (10757)

25251.3. No civil liability shall attach to any person for the use or nonuse of turn signal lamps in the manner permitted by paragraph (3) or (5) of subdivision (a) of Section 25251, except for such civil liability as would attach for the use or nonuse of any other device required by this article or Article 8 (commencing with Section 25300). (10758)

25251.4. Any motor vehicle may also be equipped with a theft alarm system which flashes any of the lights required or permitted on the motor vehicle and which operates as specified in Article 13 (commencing with Section 28085) of Chapter 5 of this division. (10759)

25251.5. (a) Any motor vehicle may also be equipped with a system in which an amber light is center mounted on the rear of a vehicle to communicate a component of deceleration of the vehicle, and which light pulses in a controlled fashion at a rate which varies exponentially with a component of deceleration. (10760)

(b) Any motor vehicle may be equipped with two amber lamps on the rear of the vehicle which operate simultaneously with not more than four flashes within four seconds after the accelerator pedal is in the deceleration position and which are not lighted at any other time. The lamps shall be mounted at the same height, with one lamp located on each side of the vertical centerline of the vehicle, not higher than the bottom of the rear window, or if the vehicle has no rear window, not higher than 60 inches. The light output from each of the lamps shall not exceed 200 candlepower at any angle horizontal or above. The amber lamps may be used either separately or in combination with another lamp. (10761)

(c) Any stoplamp or supplemental stoplamp required or permitted by Section 24603 may be equipped so as to flash not more than four times within the first four seconds after actuation by application of the brakes. (10762)

25252. Every authorized emergency vehicle shall be equipped with at least one steady burning red warning lamp visible from at least 1,000 feet to the front of the vehicle to be used as provided in this code. (10763)

In addition, authorized emergency vehicles may display revolving, flashing, or steady red warning lights to the front, sides or rear of the vehicles. (10764)

25252.5. (a) Every authorized emergency vehicle may be equipped with a system which flashes the upper-beam headlamps of the vehicle with the flashes occurring alternately from the front headlamp on one side of the vehicle to the front headlamp on the other side of the vehicle. The flashing of the headlamps shall consist only of upper-beam flashing, and not the flashing of any other light beam. (10765)

(b) "Upper-beam headlamp," as used in this section, means a headlamp or that part of a headlamp which projects a distribution of light, or composite beam, so aimed and of such intensity as to reveal persons and vehicles at a distance of at least 350 feet ahead for all conditions of loading. (10766)

(c) The system provided for in subdivision (a) shall only be used when an authorized emergency vehicle is being operated pursuant to Section 21055. (10767)

25253. (a) Tow trucks used to tow disabled vehicles shall be equipped with flashing amber warning lamps. This subdivision does not apply to a tractor-trailer combination. (10768)

(b) Tow trucks may display flashing amber warning lamps while providing service to a disabled vehicle. A flashing amber warning lamp upon a tow truck may be displayed to the rear when the tow truck is towing a vehicle and moving at a speed slower than the normal flow of traffic. (10769)

(c) A tow truck shall not display flashing amber warning lamps on a freeway except when an unusual traffic hazard or extreme hazard exists. (10770)

25253.1. An automobile dismantler's tow vehicle used to tow a disabled vehicle may be equipped with flashing amber warning lamps. (10771)

A flashing amber warning lamp upon an automobile dismantler's tow vehicle may be displayed to the rear when the automobile dismantler's tow vehicle is towing a vehicle and moving at a speed slower than the normal flow of traffic. (10772)

25254. In any county with a population of 250,000 or more persons, publicly owned vehicles operated by peace officer personnel of a marshal's department, when actually being used in the enforcement of the orders of any court, including, but not limited to, the transportation of prisoners, may display flashing amber warning lights to the rear when such vehicles are necessarily parked upon a roadway and such parking constitutes a hazard to other motorists. (10773)

25256. Vehicles used by highway authorities or bridge and highway districts, and vehicles of duly authorized representatives thereof, used in highway maintenance, inspection, survey or construction work may display flashing amber warning lights to the front, sides or rear when such vehicles are parked or working on the highway. (10774)

25257. (a) Every schoolbus, when operated for the transportation of schoolchildren, shall be equipped with a flashing red light signal system. (10775)

(b) (1) Every schoolbus manufactured on or after September 1, 1992, shall also be equipped with a stop signal arm. Any schoolbus manufactured before September 1, 1992, may be equipped with a stop signal arm. (10776)

(2) Any schoolbus manufactured on or after July 1, 1993, shall also be equipped with an amber warning light system, in addition to the flashing red light signal system. Any schoolbus manufactured before July 1, 1993, may be equipped with an amber warning light system. (10777)

(3) On or before September 1, 1992, the department shall adopt regulations governing the specifications, installation, and use of stop signal arms, to comply with federal standards. (10778)

(4) A "stop signal arm" is a device that can be extended outward from the side of a schoolbus to provide a signal to other motorists not to pass the bus because it has stopped to load or unload passengers, that is manufactured pursuant to the specifications of Federal Motor Vehicle Safety Standard No. 131, issued on April 25, 1991. (10779)

25257.2. If a schoolbus is used for the transportation of persons of any age who are developmentally disabled, as defined by the Lanterman Developmental Disabilities Services Act (Division 4.5 (commencing with Section 4500) of the Welfare and Institutions Code), the amber light signal system, flashing red light signal system, and stop signal arm shall not be used other than as required by Sections 22112 and 22454. (10780)

25257.5. To warn other motorists or pedestrians on a roadway during a backing maneuver, the operator of a schoolbus may flash turn signal lamps if the front turn signal lamps at each side are flashed simultaneously and the rear signal lamps at each side are flashed simultaneously. (10781)

25257.7. (a) A schoolbus may be equipped with a white strobe light mounted so as to be visible from the front, sides, or rear of the bus. The strobe light may only be lighted when visibility is reduced to 500 feet or less due to atmospheric conditions including, but not limited to, fog, rain, snow, smoke, or dust. Reduced visibility due to atmospheric conditions does not include the time of darkness from one-half hour after sunset to one-half hour before sunrise. (10782)

(b) The type and mounting requirements of strobe lights authorized by subdivision (a) shall be established by regulations adopted by the department by April 1, 1991. No schoolbus shall be equipped with a strobe light until the regulations are adopted. (10783)

25258. (a) An authorized emergency vehicle operating under the conditions specified in Section 21055 may display a flashing white light from a gaseous discharge lamp designed and used for the purpose of controlling official traffic control signals. (10784)

(b) An authorized emergency vehicle used by a peace officer, as defined in Section 830.1 of, subdivision (a), (b), (c), (d), (e), (f), (g), or (i) of Section 830.2 of, subdivision (n) of Section 830.3 of, subdivision (b) of Section 830.31 of, subdivision (a) or (b) of Section 830.32 of, Section 830.33 of, subdivision (a) of Section 830.36 of, subdivision (a) of Section 830.4 of, or Section 830.6 of, the Penal Code, in the performance of the peace officer's duties, may, in addition, display a steady or flashing blue warning light visible from the front, sides, or rear of the vehicle. (10785)

(c) Except as provided in subdivision (a), a vehicle shall not be equipped with a device that emits any illumination or radiation that is designed or used for the purpose of controlling official traffic control signals. (10786)

25259. (a) Any authorized emergency vehicle may display flashing amber warning lights to the front, sides, or rear. (10787)

(b) A vehicle operated by a police or traffic officer while in the actual performance of his or her duties may display steady burning or flashing white lights to either side mounted above the roofline of the vehicle. (10788)

(c) Any authorized emergency vehicle may display not more than two flashing white warning lights to the front mounted above the roofline of the vehicle and not more than two flashing white warning lights to the front mounted below the roofline of the vehicle. These lamps may be in addition to the flashing headlamps permitted under Section 25252.5. (10789)

25259.1. (a) Any vehicle operated by a disaster service worker who has received training in accordance with subdivision (b) and used by that worker in the performance of emergency or disaster services ordered by lawful authority during a state of war emergency, a state of emergency, or a local emergency, as those terms are defined in Section 8558 of the Government Code, may display flashing amber warning lights to the front, sides, or rear while at the scene of the emergency or disaster. (10790)

(b) Any disaster service worker operating a vehicle that displays flashing amber warning lights shall receive a training course from the public agency, disaster council, or emergency organization described in Section 3101 of the Government Code concerning the safe operation of the use of flashing amber warning lights prior to operating a vehicle that displays flashing amber warning lights. (10791)

(c) A person operating a vehicle that is authorized to display flashing amber warning lights under this section shall either completely cover or remove those lights when the lights are not in use. (10792)

25259.5. An emergency response or disaster service vehicle owned or leased and operated by the American National Red Cross, or any chapter or branch thereof, and equipped and clearly marked as a Red Cross emergency service or disaster service vehicle, may display flashing amber warning lights to the front, sides, or rear of the vehicle while at the scene of an emergency or disaster operation. Vehicles not used on emergency response shall not be included. (10793)

25260. (a) Public utility vehicles, and vehicles of duly authorized representatives of a public utility, actually engaged in the construction, removal, maintenance, or inspection of public utility facilities, including the cutting or trimming of trees immediately adjacent thereto, may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when moving at a speed slower than the normal flow of traffic. (10794)

(b) Vehicles owned by public transit operators which provide assistance to a disabled district bus may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway. (10795)

25260.1. Vehicles actually engaged in the construction, removal, maintenance, or inspection of any oil or gas pipeline may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when necessarily moving at a speed slower than the normal flow of traffic and only in accordance with Section 25268. (10796)

25260.3. Any vehicle having personnel aerial lift equipment, actually engaged in the construction, removal, maintenance or inspection of any building, structure, or appurtenances thereto, including the cutting or trimming of trees immediately adjacent thereto, may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when moving at a speed slower than the normal flow of the traffic. (10797)

25260.4. Any hazardous substance spill response vehicle, under contract to the Department of Transportation for the cleanup of hazardous substance spills, may display flashing amber warning lights to the front, sides, or rear of the vehicle while it is engaged in the actual cleanup of the spill. The warning lights shall be removed or covered with opaque material whenever the vehicle is not actually engaged in the cleanup of a hazardous substance at the scene of the spill. (10798)

25261. Vehicles used by a county or county department of agriculture and vehicles of duly authorized representatives thereof, actually engaged in weed control or pest detection, may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when moving at a speed slower than the normal flow of traffic. (10799)

25262. An armored car may be equipped with red lights which may be used while resisting armed robbery. At all other times the red lights shall not be lighted. The authority to use red lights granted by this section does not constitute an armored car an authorized emergency vehicle, and all other provisions of this code applicable to drivers of vehicles apply to drivers of armored cars. (10800)

25263. Trucks actually engaged in the towing of houses or buildings upon any highway may display flashing amber warning lights to the front, sides or rear on the vehicle or load. (10801)

25264. Any motor vehicle operated by a coroner, or by a deputy coroner, and which is at the scene of any violent highway death, may display flashing amber warning lights to the front or rear. (10802)

25265. Repair vehicles of sanitary districts or county sanitation districts necessarily parked other than adjacent to the curb in a highway for purposes of repairing district facilities, may display flashing amber warning lights to the front, sides or rear, but these lights shall not be lighted when the vehicle is in motion. (10803)

25266. Vehicles owned by the state and operated by officers or employees of the state who are actually engaged in aqueduct or levee construction, maintenance, patrol, or inspection, or in stream measurement work, may display flashing amber warning lights to the front, sides and rear when parked on the traveled roadway so as to partially obstruct the free flow of traffic, or when moving at a speed slower than the normal flow of traffic. (10804)

25267. Vehicles used by mosquito abatement districts or pest abatement districts when dispersing insecticides may display flashing amber warning lights to the front or rear while the vehicles are parked or working on the highway. (10805)

25268. No person shall display a flashing amber warning light on a vehicle as permitted by this code except when an unusual traffic hazard exists. (10806)

25269. No person shall display a flashing or steady burning red warning light on a vehicle except as permitted by Section 21055 or when an extreme hazard exists. (10807)

25270. Any pilot car required by the permit referred to in Section 35780 or 35790, or any vehicle or combination of vehicles subject to the permit if specified in the permit, shall be equipped with flashing amber warning lights to the front, sides or rear. The pilot car and any vehicles required by the permit to have flashing amber warning lights, shall display the flashing amber warning lights while actually engaged in the movement described in the permit. The warning lamps shall be removed or covered with opaque material whenever the pilot car is not escorting the movement described in the permit. (10808)

25270.5. Any motor vehicle engaged in, or aiding in, the herding of livestock along or across a public roadway may display flashing amber warning lights to the front, sides, or rear of the vehicle while it is stopped in the roadway near the livestock or is proceeding with the livestock along the roadway. (10809)

25271. Any publicly owned vehicle or any vehicle operated by a corporation incorporated under Part 4 (commencing with Section 10400) of Division 2 of Title 1 of the Corporations Code for the purpose of the prevention of cruelty to animals, when used for removing dead animals, injured animals, or loose livestock, may, display flashing amber warning lights to the front or rear when necessarily parked on the roadway or when moving at a speed slower than the normal flow of traffic. (10810)

25271.5. Any publicly owned vehicle used for the enforcement of animal control laws contained in a statute, local ordinance, or regulation may display flashing or revolving amber warning lights to the front, sides, or rear of the vehicle when actually engaged in the enforcement of those laws and when necessarily parked on a roadway or moving at a speed slower than the normal flow of traffic. (10811)

25272. A motor vehicle used by a rural mail carrier may display flashing amber warning lights to the front and rear of the vehicle while the vehicle is necessarily stopped or stopping upon a roadway for the delivery of United States mail. (10812)

25273. Any motor vehicle owned and operated by a school district with an average daily attendance in excess of 400,000 while being used to measure the distance from school to a school pupil's residence may display a flashing amber warning light to the rear of the vehicle when moving at a speed substantially slower than the normal flow of traffic. (10813)

25274. Any vehicle owned by a cable television company and operated by employees, or duly authorized representatives, of a cable television company, when actually engaged in the construction, removal, maintenance or inspection of cable television facilities, including but not limited to, the cutting or trimming of trees immediately adjacent thereto, may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when moving at a speed slower than the normal flow of traffic. (10814)

For the purposes of this section, "cable television company" means any person engaged in the business of transmitting television programs by cable to subscribers for a fee. (10815)

25275. Any truck or truck tractor which is primarily used in the transportation of loads specified in subdivision (a) of Section 35414, may be equipped with a flashing amber warning lamp. Such lamp may be displayed to the front, sides, or rear of the combination only when its length exceeds 75 feet and when an unusual traffic hazard exists. (10816)

25275.5. Any bus operated either by a public agency or under the authority of a certificate of public convenience and necessity issued by the Public Utilities Commission may be equipped with a system of crime alarm lights. The system of crime alarm lights shall consist of the installation of additional lamp sources, not exceeding 32 standard candlepower or 30 watts, in the front and rear clearance lamps required or permitted by Section 25100. Such lamps shall be operated by a flasher unit or units that are not audible inside the bus. When actuated, both rear crime alarm lights shall flash simultaneously and both front crime alarm lights shall flash simultaneously. Crime alarm lights shall be actuated only when a crime is in progress on board the bus or has recently been committed on board the bus. (10817)

25276. (a) A motor vehicle designed for carrying more than eight persons, including the driver, owned by a private, nonprofit organization that provides training or other activities for persons who are mentally retarded or physically disabled, or both, and that is certified by the Department of Rehabilitation or licensed by the State Department of Health, with respect to the providing of this training or other activities, may be equipped with a flashing amber light signal system. (10818)

(b) A motor vehicle, described in subdivision (a), may, while actually engaged in the transportation of persons described in subdivision (a) to or from a training or activity center operated by the organization, display the flashing amber lights of the system when necessarily parked upon a highway and in the process of loading or unloading persons. (10819)

(c) Subdivisions (a) and (b) apply to a motor vehicle that is rented, leased, or chartered by the organization. (10820)

25277. Any vehicle used by any police department, sheriff's office, or other governmental agency for the purpose of enforcing parking laws contained in the Vehicle Code or in a local ordinance or regulation may display flashing or revolving amber warning lights to the front, sides, or rear of the vehicle when actually engaged in the enforcement of such laws and when either necessarily stopped on a street, or when moving at a speed slower than the normal flow of traffic. (10821)

25278. Any vehicle owned or operated by a land surveyor or civil engineer licensed to practice in this state may display flashing amber warning lights to the front, sides, or rear, if the vehicle is engaged in any phase of a project that requires surveying or surveying related activities to be performed on a highway, or in the vicinity of a highway, and the vehicle is parked on the highway or moving at a speed lower than the normal flow of traffic. The use of, or absence of, amber warning lights as authorized in this section shall not serve as the basis for any civil action, a defense to a civil action, or establish negligence as a matter of law or negligence per se for comparative fault purposes. (10822)

25279. (a) Vehicles owned and operated by private security agencies and utilized exclusively on privately owned and maintained roads to which this code is made applicable by local ordinance or resolution, may display flashing amber warning lights to the front, sides, or rear, while being operated in response to emergency calls for the immediate preservation of life or property. (10823)

(b) (1) Vehicles owned by a private security agency and operated by personnel who are registered with the Department of Consumer Affairs under Article 3 (commencing with Section 7582) of Chapter 11.5 of Division 3 of the Business and Professions Code may be equipped with a flashing amber warning light system while the vehicle is operated on a highway, if the vehicle is in compliance with Section 27605 and is distinctively marked with the words "PRIVATE SECURITY" or "SECURITY PATROL" on the rear and both sides of the vehicle in a size that is legible from a distance of not less than 50 feet. (10824)

(2) The flashing amber warning light system authorized under paragraph (1) shall not be activated while the vehicle is on the highway, unless otherwise directed by a peace officer, as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2 of the Penal Code. (10825)

(c) A peace officer may order that the flashing amber warning light system of a vehicle that is found to be in violation of this section be immediately removed at the place of business of the vehicle's owner or a garage. (10826)

(d) A flashing amber warning light system shall not be installed on a vehicle that has been found to be in violation of this section, unless written authorization is obtained from the Commissioner of the California Highway Patrol. (10827)

25280. Vehicles operated by a local public entity, or pursuant to a permit, license, contract, or franchise with a local public entity, and used to collect and transport garbage, rubbish, or refuse may display flashing amber warning lights to the front, sides, or rear while stopped upon a street and actually engaged in the collection of garbage, rubbish, or refuse, or while moving between stops at a speed not greater than 10 miles per hour. (10828)

25281. A privately owned or operated water tender vehicle, when used exclusively for contract emergency services provided to any public agency, may display flashing amber warning lights to the front, sides, or rear of the vehicle when necessarily parked on a highway or other public road, blocking or partially blocking a highway or other public road, traveling at a speed slower than the normal flow of traffic, or crossing or entering a highway or other public road. The flashing amber lights shall not be displayed when the water tender vehicle is traveling to or from an emergency at the normal speed and flow of traffic, except when the vehicle is traveling in escort with a fire engine or other authorized emergency vehicle. The lights shall be covered with an opaque material when not being displayed. (10829)

25282. Any vehicle owned or operated by a contractor or a construction company licensed to operate in this state pursuant to the Business and Professions Code may display flashing amber warning lights to the front, sides, or rear, if the vehicle is engaged in any phase of a construction project performed on a highway, or in the vicinity of a highway, and the vehicle is parked on the highway or moving at a speed lower than the normal flow of traffic. The use of, or absence of, amber warning lights as authorized in this section shall not serve as the basis for any civil action, a defense to civil action, or establish negligence as a matter of law or negligence per se for comparative fault purposes. (10830)

Article 8. Warning Lights and Devices (25300-25305) (10831)(1-click HTML)

25300. (a) Every vehicle which, if operated during darkness, would be subject to the provisions of Section 25100, and every truck tractor, irrespective of width, shall at all times be equipped with at least three red emergency reflectors. The reflectors need be carried by only one vehicle in a combination. (10832)

All reflectors shall be maintained in good working condition. (10833)

(b) When any such vehicle is disabled on the roadway during darkness, reflectors of the type specified in subdivision (a) shall be immediately placed as follows: (10834)

(1) One at the traffic side of the disabled vehicle, not more than 10 feet to the front or rear thereof; (10835)

(2) One at a distance of approximately 100 feet to the rear of the disabled vehicle in the center of the traffic lane occupied by such vehicle; and (10836)

(3) One at a distance of approximately 100 feet to the front of the disabled vehicle in the center of the traffic lane occupied by such vehicle. (10837)

(4) If disablement of any such vehicle occurs within 500 feet of a curve, crest of a hill, or other obstruction to view, the driver shall so place the reflectors in that direction as to afford ample warning to other users of the highway, but in no case less than 100 nor more than 500 feet from the disabled vehicle. (10838)

(5) If disablement of the vehicle occurs upon any roadway of a divided or one-way highway, the driver shall place one reflector at a distance of approximately 200 feet and one such reflector at a distance of approximately 100 feet to the rear of the vehicle in the center of the lane occupied by the stopped vehicle, and one such reflector at the traffic side of the vehicle not more than 10 feet to the rear of the vehicle. (10839)

(c) When any such vehicle is disabled or parked off the roadway but within 10 feet thereof during darkness, warning reflectors of the type specified in subdivision (a) shall be immediately placed by the driver as follows: one at a distance of approximately 200 feet and one at a distance of approximately 100 feet to the rear of the vehicle, and one at the traffic side of the vehicle not more than 10 feet to the rear of the vehicle. The reflectors shall, if possible, be placed between the edge of the roadway and the vehicle, but in no event less than two feet to the left of the widest portion of the vehicle or load thereon. (10840)

(d) Until the reflectors required by this section can be placed properly, the requirements of this section may be complied with temporarily by either placing lighted red fusees in the required locations or by use of turn signal lamps, but only if front turn signal lamps at each side are being flashed simultaneously and rear turn signal lamps at each side are being flashed simultaneously. (10841)

(e) The reflectors shall be displayed continuously during darkness while the vehicle remains disabled upon the roadway or parked or disabled within 10 feet thereof. (10842)

(f) Subdivisions (b), (c), (d), and (e) do not apply to a vehicle under either of the following circumstances: (10843)

(1) Parked in a legal position within the corporate limits of any city. (10844)

(2) Parked in a legal position upon a roadway bounded by adjacent curbs. (10845)

(g) In addition to the reflectors specified in subdivision (a), an emergency warning sign or banner may be attached to a vehicle which is disabled upon the roadway or which is parked or disabled within 10 feet of a roadway. (10846)

25301. When utility or public utility vehicles are parked, stopped or standing at the site of work as described in Section 22512, warning devices shall be displayed as follows: (10847)

(a) During daylight warning devices shall consist of either: (10848)

A warning flag or barricade striping on the front and rear of the vehicle. (10849)

A warning flag, sign, or barrier on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof, except that in zones where the speed limit is in excess of 25 miles per hour the 50-foot distance may be increased up to 500 feet from the vehicle as circumstances may warrant. (10850)

(b) During darkness the warning devices shall consist of either: (10851)

One or more flashing amber warning lights on the vehicle giving warning to approaching traffic from each direction. (10852)

A warning light, flare, fusee, or reflector on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof, except that in zones where the speed limit is in excess of 25 miles per hour the 50-foot distance may be increased up to 500 feet from the vehicle where circumstances may warrant. (10853)

(c) The provisions of subdivision (a) or (b) do not prevent the display of both types of the warning devices during daylight or darkness. (10854)

(d) During either daylight or darkness, no warning device is necessary if the vehicle is equipped with the flashing warning lights visible to approaching traffic from each direction as provided in subdivision (b). (10855)

25305. (a) No person shall place, deposit, or display upon or adjacent to any highway any lighted fusee, except as a warning to approaching vehicular traffic or railroad trains, or both, of an existing hazard upon or adjacent to the highway or highway-railroad crossing. (10856)

(b) It is unlawful to use any fusee which produces other than a red light. The provisions of this subdivision shall not apply to any railroad, as defined in Section 229 of the Public Utilities Code. (10857)

Article 9. Commercial and Common Carrier Vehicles (25350-25353) (10858)(1-click HTML)

25350. Any passenger common carrier motor vehicle manufactured prior to January 1, 1968, may be equipped with green identification lamps. Any bus may be equipped with an illuminated termini sign, an illuminated identification sign, or any combination thereof, which shall not project any glaring light. Internally illuminated termini signs, identification signs, or any combination thereof, meeting the requirements of Section 25400 may be mounted inside a bus. Any commercial vehicle, other than a passenger common carrier motor vehicle, may be equipped with an illuminated identification sign upon the front thereof which shall not exceed 24 inches in length or 8 inches in width and which emits diffused white light without glare. (10859)

25351. (a) A commercial vehicle and, except as provided in subdivision (d), any other vehicle 80 or more inches in width may be equipped with identification lamps mounted on the front or rear. No part of any such lamps or their mountings on the front of a motor vehicle shall extend below the top of the windshield. (10860)

(b) Identification lamps on such vehicles manufactured prior to January 1, 1968, may exhibit either amber, green, or white light to the front and red light to the rear. (10861)

(c) Identification lamps on such vehicles manufactured on or after January 1, 1968, may exhibit only amber light to the front and red light to the rear. (10862)

(d) Identification lamps are not permitted on passenger vehicles, except housecars and ambulances, regardless of width. (10863)

25352. Any bus operated by a publicly owned transit system on regularly scheduled service may be equipped with a device capable of sending a signal that interrupts or changes the sequence patterns of an official traffic control signal, under the following conditions: (10864)

(a) If such a device is a flashing gaseous discharge lamp, such lamp shall not emit a visible light exceeding an average of 0.0003 candela per flash of any color measured at a distance of 10 feet. (10865)

(b) Such device shall not be installed or used unless and until authorized on specific routes by either the Department of Transportation pursuant to Section 21350 or local authorities pursuant to Section 21351. (10866)

(c) Any bus or system operating under the conditions specified herein shall allow emergency vehicles operating pursuant to Section 25258 or 21055 to have priority in changing the sequence patterns of an official traffic control signal. (10867)

25353. (a) Notwithstanding Sections 25400 and 25950, a bus operated by a publicly owned transit system on regularly scheduled service may be equipped with illuminated signs that include destination signs, route-number signs, run-number signs, public service announcement signs, or a combination thereof, visible from any direction of the vehicle, that emit any light color, other than the color red emitted from forward-facing signs, pursuant to the following conditions: (10868)

(1) Each illuminated sign shall emit diffused nonglaring light. (10869)

(2) Each illuminated sign shall be limited in size to a display area of not greater than 720 square inches. (10870)

(3) Each illuminated sign shall not resemble nor be installed in a position that interferes with the visibility or effectiveness of a required lamp, reflector, or other device upon the vehicle. (10871)

(4) Each illuminated sign shall display information directly related to public transit service, including, but not limited to, route number, destination description, run number, and public service announcements. (10872)

(5) The mixing of individually colored light emitting diode elements, including red, is allowed as long as the emitted color formed by the combination of light emitting diode elements is not red. (10873)

(b) (1) An illuminated sign may be operated as a dynamic message sign in a paging or streaming mode. (10874)

(2) The following definitions shall govern the construction of paragraph (1): (10875)

(A) "Paging," meaning character elements or other information presented for a period of time and then disappearing all at once before the same or new elements are presented, is permitted if the display time of each message is between 2.7 and 10 seconds. Blanking times between each message shall be between 0.5 and 25 seconds. (10876)

(B) "Streaming," meaning character elements or other information moving smoothly and continuously across the display, is permitted if the character movement time, from one end of the display to the other, is at least 2.7 seconds, and the movement time of the entire message does not exceed 10 seconds. (10877)

(c) A regulation adopted pursuant to this section shall comply with applicable federal law, including, but not limited to, the federal Americans with Disabilities Act of 1990 (42 U.S.C. Sec. 12101 et seq.). (10878)

Article 10. Diffused Lights (25400-25401) (10879)(1-click HTML)

25400. (a) Any vehicle may be equipped with a lamp or device on the exterior of the vehicle that emits a diffused nonglaring light of not more than 0.05 candela per square inch of area. (10880)

(b) Any diffused nonglaring light shall not display red to the front, but may display other colors. A diffused nonglaring light shall not resemble nor be installed within 12 inches or in such position as to interfere with the visibility or effectiveness of any required lamp, reflector, or other device upon the vehicle. (10881)

(c) A diffused nonglaring lamp or device, other than a display sign authorized by subdivision (d), shall be limited in size to an area of 720 square inches and where any lease, rental, or donation is involved the installation of the lamp or device shall be limited to those vehicles operated either primarily within business or residential districts or municipalities, or between business districts, residential districts, and municipalities in close proximity. (10882)

(d) An internally illuminated sign emitting not more than 0.25 candela per square inch and possessing copy which does not contain a white background may be displayed on each side, but not on the front or rear, of a trolley coach or of a bus being operated in urban or suburban service as described in Section 35107 of this code. (10883)

25401. No diffused nonglaring light on a vehicle shall resemble any official traffic control device. (10884)

Article 11. Acetylene Lamps (25450-25452) (10885)(1-click HTML)

25450. Any motor vehicle, other than a motorcycle, equipped with lighted acetylene headlamps complies with the provisions of this code concerning lighted headlamps when it has two lighted acetylene headlamps of approximately equal candlepower mounted upon the front of the motor vehicle and fitted with clear plane glass fronts and bright six-inch spherical mirrors and standard acetylene five-eighths or three-quarters foot burners, not more and not less, projecting sufficient light ahead to reveal any vehicle, person or substantial object upon the roadway within 200 feet. (10886)

25451. Any motorcycle equipped with one lighted acetylene headlamp complies with the provisions of this code concerning lighted headlamps on motorcycles when the acetylene headlamp is fitted with a clear plane glass front and a bright six-inch spherical mirror and a standard acetylene one-half or five-eighths foot burner, projecting sufficient light ahead to reveal any vehicle, person, or substantial object upon the roadway within a distance of 115 feet. (10887)

25452. No acetylene lamp shall emit any glaring light. (10888)

Article 12. Reflectorizing Material (25500) (10889)(1-click HTML)

25500. (a) Area reflectorizing material may be displayed on any vehicle, provided: the color red is not displayed on the front; designs do not tend to distort the length or width of the vehicle; and designs do not resemble official traffic control devices, except that alternate striping resembling a barricade pattern may be used. (10890)

No vehicle shall be equipped with area reflectorizing material contrary to these provisions. (10891)

(b) The provisions of this section shall not apply to license plate stickers or tabs affixed to license plates as authorized by the Department of Motor Vehicles. (10892)

Article 13. Headlamps on Motorcycles and Motor-Driven Cycles 2 (25650-25651) (10893)(1-click HTML)

25650. Every motorcycle during darkness shall be equipped with at least one and not more than two lighted headlamps which shall conform to the requirements and limitations of this division. (10894)

25650.5. Every motorcycle manufactured and first registered on and after January 1, 1978, shall be equipped with at least one and not more than two headlamps which automatically turn on when the engine of the motorcycle is started and which remain lighted as long as the engine is running. This section does not preclude equipping motorcycles used as authorized emergency vehicles with a switch to be used to turn off the headlamp during emergency situations or when the light would interfere with law enforcement, if the switch is removed prior to resale of the motorcycle. (10895)

25651. The headlamp upon a motor-driven cycle may be of the single-beam or multiple-beam type, but in either event, when the vehicle is operated during darkness, the headlamp shall comply with the requirements and limitations as follows: (10896)

(a) The headlamp shall be of sufficient intensity to reveal a person or a vehicle at a distance of not less than 100 feet when the motor-driven cycle is operated at any speed less than 25 miles per hour and at a distance of not less than 200 feet when operated at a speed of 25 to not exceeding 35 miles per hour, and at a distance of 300 feet when operated at a speed greater than 35 miles per hour. (10897)

(b) In the event the motor-driven cycle is equipped with a multiple-beam headlamp, the upper beam shall meet the minimum requirements set forth above and the lowermost beam shall meet the requirements applicable to a lowermost distribution of light as set forth in subdivision (b) of Section 24407. (10898)

(c) In the event the motor-driven cycle is equipped with a single-beam lamp, it shall be so aimed that when the vehicle is loaded none of the high intensity portion of light, at a distance of 25 feet ahead, shall project higher than the level of the center of the lamp from which it comes. (10899)

Article 14. Vehicles Exempted (25800-25806) (10900)(1-click HTML)

25800. The provisions of Sections 24012, 24250, 24251, 24400 to 24404, inclusive, and Articles 3 (commencing with Section 24600), 4 (commencing with Section 24800), 5 (commencing with Section 24950), 6 (commencing with Section 25100), 9 (commencing with Section 25350), 11 (commencing with Section 25450), and 13 (commencing with Section 25650), shall not apply to special mobile equipment. Such equipment shall be subject to the provisions of Sections 24254, 25803, and 25950, and Article 12 (commencing with Section 25500) (10901)

25801. The provisions of Sections 24012, 24250, 24251, 24254, 24400 to 24404, inclusive, 24600 to 24604, inclusive, 24606 to 24610, inclusive, Section 25950, and Articles 4 (commencing with Section 24800), 5 (commencing with Section 24950), 6 (commencing with Section 25100), 9 (commencing with Section 25350), 11 (commencing with Section 25450), 12 (commencing with Section 25500), and 13 (commencing with Section 25650) and shall not apply to special construction or maintenance equipment, nor to motortrucks equipped with snow removal or sanding devices, but shall apply to motortrucks and automobiles used independently of such equipment. (10902)

The provisions of Section 25803 shall be applicable to such equipment. (10903)

25802. Sections 24002, 24005, 24012, 24250, 24251, 24400 to 24404, inclusive, 24600 to 24604, inclusive, 24606 to 24610, inclusive, Article 4 (commencing with Section 24800), Article 5 (commencing with Section 24950), Article 6 (commencing with Section 25100), Article 9 (commencing with Section 25350), Article 11 (commencing with Section 25450), and Article 13 (commencing with Section 25650) of Chapter 2 of this division, Chapter 3 (commencing with Section 26301), Chapter 4 (commencing with Section 26700), and Chapter 5 (commencing with Section 27000) of this division, and Chapter 2 (commencing with Section 29200), Chapter 3 (commencing with Section 29800), Chapter 4 (commencing with Section 30800), and Chapter 5 (commencing with Section 31301) of Division 13 do not apply to logging vehicles or any vehicle of a type subject to registration under this code that is not designed, used, or maintained for the transportation of persons or property and that is operated or moved over a highway only incidentally ; but any such vehicle shall be subject to Sections 2800, 2806, 24004, 25260, 25803, 25950, 25952, 26457, 27454, 27602, 31500, and 40150, and to Article 12 (commencing with Section 25500) of Chapter 2 of this division. (10904)

25803. (a) All vehicles not otherwise required to be equipped with headlamps, rear lights, or reflectors by this chapter shall, if operated on a highway during darkness, be equipped with a lamp exhibiting a red light visible from a distance of 500 feet to the rear of the vehicle. In addition, all of these vehicles operated alone or as the first vehicle in a combination of vehicles, shall be equipped with at least one lighted lamp exhibiting a white light visible from a distance of 500 feet to the front of the vehicle. (10905)

(b) A vehicle shall also be equipped with an amber reflector on the front near the left side and a red reflector on the rear near the left side. The reflectors shall be mounted on the vehicle not lower than 16 inches nor higher than 60 inches above the ground and so designed and maintained as to be visible during darkness from all distances within 500 feet from the vehicle when directly in front of a motor vehicle displaying lawful lighted headlamps undimmed. (10906)

(c) In addition, if a vehicle described in subdivision (a) or the load thereon has a total outside width in excess of 100 inches there shall be displayed during darkness at the left outer extremity at least one amber light visible under normal atmospheric conditions from a distance of 500 feet to the front, sides, and rear. At all other times there shall be displayed at the left outer extremity a solid red or fluorescent orange flag or cloth not less than 12 inches square. (10907)

25804. Notwithstanding any other provision of this code, original lighting equipment installed on a vehicle manufactured prior to January 1, 1946, need not meet the requirements established by the department when the vehicle is used primarily for the purpose of historical exhibition. (10908)

25805. Notwithstanding any other provision of this article, a forklift truck which is towed upon the highway at the end of a combination of vehicles shall at all times be equipped with at least one stop lamp mounted upon the rear of the vehicle and shall be equipped with lamp-type turn signals. Such vehicle shall, during the hours of darkness, be equipped with at least one taillamp and one red reflector mounted upon the rear of the vehicle and shall be equipped with clearance lamps if the vehicle is 80 or more inches in width. (10909)

25806. Sections 24003 and 27002 shall not apply to the installation of warning lamps and sirens on ambulances or firetrucks which are used solely for demonstration purposes in the sales work of a licensed dealer, distributor, or vehicle manufacturer and shall not apply to ambulances or firetrucks being operated on a highway solely for the purpose of delivery from the licensee to a purchaser. Warning lamps shall be removed or covered with opaque material and the siren controls disabled whenever the vehicle is upon a highway. (10910)

Article 15. Light Restrictions and Mounting (25950-25952) (10911)(1-click HTML)

25950. This section applies to the color of lamps and to any reflector exhibiting or reflecting perceptible light of 0.05 candela or more per foot-candle of incident illumination. Unless provided otherwise, the color of lamps and reflectors upon a vehicle shall be as follows: (10912)

(a) The emitted light from all lamps and the reflected light from all reflectors, visible from in front of a vehicle, shall be white or yellow, except as follows: (10913)

(1) Rear side marker lamps required by Section 25100 may show red to the front. (10914)

(2) The color of foglamps described in Section 24403 may be in the color spectrum from white to yellow. (10915)

(3) An illuminating device, as permitted under Section 24255, shall emit radiation predominantly in the infrared region of the electromagnetic spectrum. Any incidental visible light projecting to the front of the vehicle shall be predominantly yellow to white. Any incidental visible light projecting to the rear of the vehicle shall be predominantly red. Any incidental visible light from an illuminating device, as permitted under Section 24255, shall not resemble any other required or permitted lighting device or official traffic control device. (10916)

(b) The emitted light from all lamps and the reflected light from all reflectors, visible from the rear of a vehicle, shall be red except as follows: (10917)

(1) Stoplamps on vehicles manufactured before January 1, 1979, may show yellow to the rear. (10918)

(2) Turn signal lamps may show yellow to the rear. (10919)

(3) Front side marker lamps required by Section 25100 may show yellow to the rear. (10920)

(4) Backup lamps shall show white to the rear. (10921)

(5) The rearward facing portion of a front-mounted double-faced turn signal lamp may show amber to the rear while the headlamps or parking lamps are lighted, if the intensity of the light emitted is not greater than the parking lamps and the turn signal function is not impaired. (10922)

(6) A reflector meeting the requirements of, and installed in accordance with, Section 24611 shall be red or white, or both. (10923)

(c) All lamps and reflectors visible from the front, sides, or rear of a vehicle, except headlamps, may have any unlighted color, provided the emitted light from all lamps or reflected light from all reflectors complies with the required color. Except for backup lamps, the entire effective projected luminous area of lamps visible from the rear or mounted on the sides near the rear of a vehicle shall be covered by an inner lens of the required color when the unlighted color differs from the required emitted light color. Taillamps, stoplamps, and turn signal lamps that are visible to the rear may be white when unlighted on vehicles manufactured before January 1, 1974. (10924)

25951. Any lighted lamp or device upon a motor vehicle other than headlamps, spotlamps, signal lamps, or auxiliary driving lamps, warning lamps which projects a beam of light of an intensity greater than 300 candlepower shall be so directed that no part of the beam will strike the level of the roadway at a distance of more than 75 feet from the vehicle. (10925)

25952. (a) Lamps, reflectors, and area reflectorizing material of a type required or permitted on a vehicle may be mounted on a load carried by the vehicle in lieu of, or in addition to, such equipment on the vehicle. Such equipment shall be mounted on the load in a manner that would comply with the requirements of this code and regulations adopted pursuant to this code if the load were an integral part of the vehicle. (10926)

(b) Lamps on vehicles carried as a load shall not be lighted unless such lamps are mounted in accordance with subdivision (a). (10927)

Article 16. Equipment Testing (26100-26106) (10928)(1-click HTML)

26100. (a) A person shall not sell or offer for sale for use upon or as part of the equipment of a vehicle any lighting equipment, safety glazing material, or other device that does not meet the provisions of Section 26104. (10929)

(b) A person shall not use upon a vehicle, and a person shall not drive a vehicle upon a highway that is equipped with, any lighting equipment, safety glazing material, or other device that is not in compliance with Section 26104. (10930)

(c) This section does not apply to a taillamp or stop lamp in use on or prior to December 1, 1935. (10931)

26101. (a) A person shall not sell or offer for sale for use upon or as part of the equipment of a vehicle any device that is intended to modify the original design or performance of any lighting equipment, safety glazing material, or other device, unless the modifying device meets the provisions of Section 26104. (10932)

(b) A person shall not use upon a vehicle, and a person shall not drive a vehicle upon a highway that has installed a device that is intended to modify the original design or performance of a lighting, safety glazing material, or other device, unless the modifying device complies with Section 26104. (10933)

(c) This section does not apply to a taillamp or stop lamp in use on or prior to December 1, 1935, or to lamps installed on authorized emergency vehicles. (10934)

26102. In the event any equipment in actual use meets the requirements of this code or a department regulation adopted pursuant to this code, a subsequent regulation shall not require the replacement of the equipment and shall be applicable only to equipment installed after the effective date of the regulation. (10935)

26103. (a) The department may adopt and enforce regulations establishing standards and specifications for lighting equipment listed in Section 375 and for safety belts, safety glazing material, safety helmets, sirens, tire traction devices, bunk stakes, and synthetic binders. The standards and specifications may include installation and aiming requirements. (10936)

(b) If there exists a Federal Motor Vehicle Safety Standard adopted pursuant to the National Traffic and Motor Vehicle Safety Act of 1966 (15 U.S.C. 1381 et seq.) covering the same aspect of performance of a device, the provisions of that standard shall prevail over provisions of this code or regulations adopted pursuant to this code. Lamps, devices, and equipment certified by the manufacturer to meet applicable federal motor vehicle safety standards as original equipment on new vehicles and the identical replacements for those items need not be certified to the department. (10937)

26104. (a) Every manufacturer who sells, offers for sale, or manufactures for use upon a vehicle devices subject to requirements established by the department shall, before the device is offered for sale, have laboratory test data showing compliance with such requirements. Tests may be conducted by the manufacturer. (10938)

(b) The department may at any time request from the manufacturer a copy of the test data showing proof of compliance of any device with the requirements established by the department and additional evidence that due care was exercised in maintaining compliance during production. If the manufacturer fails to provide such proof of compliance within 30 days of notice from the department, the department may prohibit the sale of the device in this state until acceptable proof of compliance is received by the department. (10939)

26105. The department may purchase any equipment sold for use on vehicles and test or retest the same as to conformance with the requirements of this code and department regulations adopted pursuant to this code and any expense incurred in such purchase and test shall be a legal charge against the Motor Vehicle Fund. (10940)

26106. The department may issue a permit for the use of equipment for experimental purposes. The use of such equipment under the permit is not a violation of this code. (10941)

  

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