Wyoming Statutes Title 31. Motor Vehicles § 31-5-913. Tail lamps

(a) A motor vehicle, multipurpose vehicle which is greater than fifty (50) inches in width, trailer, semitrailer, pole trailer or any other vehicle which is being drawn at the end of a combination of vehicles, shall be equipped with at least two (2) tail lamps mounted on the rear, which shall comply with the regulations of the superintendent. The superintendent may by regulation allow one (1) tail lamp on any vehicle equipped with only one (1) when it was made. A motorcycle, motor-driven cycle, multipurpose vehicle which is fifty (50) inches or less in width, autocycle, moped or off-road recreational vehicle as defined by W.S. 31-1-101(a)(xv)(K)(II) that is registered pursuant to W.S. 31-2-232 shall be equipped with at least one (1) tail lamp which shall comply with the regulations of the superintendent.

(b) Either a tail lamp or a separate lamp shall be so constructed and placed as to illuminate with a white light the rear registration plate of all vehicles listed in subsection (a) of this section. The lamp shall comply with the regulations of the superintendent.

(c) A street rod as defined in W.S. 31-1-101(a)(xv)(N) or a custom vehicle as defined in W.S. 31-1-101(a)(xv)(O) may use blue dot tail lights for stop lamps, rear turning indicator lamps, rear hazard lamps and rear reflectors. For purposes of this subsection, “blue dot tail light” means a red lamp installed in the rear of a motor vehicle containing a blue or purple insert that is not more than one (1) inch in diameter.