Montana Code Annotated
Part 2. Lighting Equipment
61-9-223. Lighting equipment on motor-driven cycles

61-9-223. Lighting equipment on motor-driven cycles. The headlamp or headlamps upon every motor-driven cycle may be of the single-beam or multiple-beam type but in either event shall comply with the requirements and limitations as follows:
(1) Every said headlamp or headlamps on a motor-driven cycle 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 the motor-driven cycle is operated at a speed of 25 or more miles per hour, and at a distance of not less than 300 feet when the motor-driven cycle is operated at a speed of 35 or more miles per hour.
(2) In the event the motor-driven cycle is equipped with a multiple-beam headlamp or headlamps the upper beam shall meet the minimum requirements set forth above and shall not exceed the limitations set forth in 61-9-220(1) and the lowermost beam shall meet the requirements applicable to a lowermost distribution of light as set forth in 61-9-220(2).
(3) In the event the motor-driven cycle is equipped with a single-beam lamp or lamps, said lamp or lamps 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.
History: En. Sec. 135, Ch. 263, L. 1955; R.C.M. 1947, 32-21-138.

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