C.R.S. § 42-4-219: Number of lamps permitted.

Whenever a motor vehicle equipped with head lamps as required in this article is also equipped with any auxiliary lamps or a spot lamp or any other lamp on the front thereof projecting a beam of an intensity greater than three hundred candlepower, not more than a total of four of any such lamps on the front of a vehicle shall be lighted at any one time when upon a highway. Any person who violates any provision of this section commits a class B traffic infraction.