Wyo. Stat. § 30-3-114: Construction, installation and maintenance of track.

(a) The roadbed, rails, joints, switches, frogs and other elements of the track of all haulage roads shall be constructed, installed and maintained in a manner consistent with speed and type of haulage operations being conducted to insure safe operation.

(b) Track switches, except room and entry development switches, shall be provided with properly installed throws, bridle bars and guardrails; switch throws and stands, where possible, shall be placed on the clearance side.