Wyo. Stat. § 31-5-927: Number of driving lamps.

Whenever a motor vehicle including those referred to in W.S. 31-5-901(c) equipped with head lamps as required in this act is also equipped with any other driving lamps on the front thereof, not more than a total of four (4) of the lamps on the front of a vehicle shall be lighted at any one (1) time when upon a highway. Driving lamps do not include turn or hazard warning signal lamps.