257.699 Multiple beam road lighting equipment; requirements and limitations.

273 words·~1 min read·/mi/chapter-257/257-699

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Sec. 699.

Except as hereinafter provided, the head lamps, or the auxiliary driving lamps, or combinations thereof, on motor vehicles shall be so arranged that selection may be made between distributions of light projected to different elevations, subject to the following requirements and limitations:

(a)Head lamps shall in all cases emit a white light. Auxiliary lamps may emit either a white or amber light.

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

(c)There shall be a lowermost distribution of light, or composite beam, so aimed and of sufficient intensity to reveal persons and vehicles at a distance of at least 100 feet ahead; and 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.

(d)Every new motor vehicle except motorcycles and mopeds registered in this state which has multiple beam road lighting equipment shall be equipped with a beam indicator, which shall be lighted when the uppermost distribution of light from the head lamps is in use and shall not otherwise be lighted. 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.

History: 1949, Act 300, Eff. Sept. 23, 1949 ;-- Am. 1954, Act 101, Eff. Aug. 13, 1954 ;-- Am. 1976, Act 439, Imd. Eff. Jan. 13, 1977