Wyo. Stat. § 31-18-705: Speed or acceleration contest or exhibition on highways.

(a) No operator of a commercial vehicle shall engage in any motor vehicle speed or acceleration contest, or exhibition of speed or acceleration on any highway without approval of that use by the governing body in charge of the highway. No person shall aid or abet in any motor vehicle speed or acceleration contest or exhibition on any highway, without approval of that use by the governing body in charge of said highway.

(b) No operator of a commercial vehicle shall for the purpose of facilitating or aiding or as an incident to any motor vehicle speed or acceleration contest upon a highway, in any manner obstruct or place or assist in placing any barricade or obstruction upon any highway without approval of that use by the governing body in charge of the highway.

(c) Any person who violates this section shall upon conviction be fined not less than ten dollars ($10.00) nor more than one hundred dollars ($100.00), or by imprisonment in the county jail for not more than ten (10) days or both.