Wyo. Stat. § 24-1-124: Livestock crossings; generally.

The department of transportation may provide suitable livestock crossings on all state highways, having an oil surface, in the state of Wyoming, at places where necessity and convenience require. Ranchmen, farmers and livestock raisers and producers may file with the board of county commissioners of their county a request for livestock crossings, and the various boards of county commissioners shall recommend from time to time to the department of transportation such crossings as they believe will best suit the necessities and convenience of ranchmen, farmers and livestock raisers and producers in their county.