Wyo. Stat. § 31-5-960: Pedestrian vehicles.

(a) Every pedestrian vehicle operated upon a highway shall be equipped with the following equipment:

(i) A horn meeting the requirements of W.S. 31-5-952(a);

(ii) At least one (1) headlamp of either a single-beam or multiple-beam type which shall be of sufficient intensity to reveal a person or a vehicle at a distance of not less than one hundred (100) feet when operated at any speed less than twenty-five (25) miles per hour;

(iii) Two (2) tail lamps which shall be so wired as to be lighted whenever the headlamp is lighted and which, when lighted, shall emit a red light plainly visible from a distance of at least one hundred (100) feet to the rear;

(iv) Rear stop lamps and turn signals conforming to the requirements of the superintendent;

(v) A brake which conforms to the performance requirements of W.S. 31-5-951; and

(vi) A reflectorized flag mounted in a bracket permanently affixed to the vehicle. The flag, when mounted, shall be visible from all directions at a height of not less than forty-eight (48) inches nor more than seventy-two (72) inches measured from the level ground upon which the vehicle stands and shall conform to the following requirements:

(A) Be constructed of durable, all-weather type material;

(B) Be orange in color;

(C) Be triangular in shape with a minimum base length of eight and one-half (8 1/2) inches and a minimum side length of eleven and one-half (11 1/2) inches.