045-24 Wyo. Code R. § 24-12
(a) Department rights-of-way shall remain inviolate from encroachments without a permit issued by the Department. Any use of the right-of-way interfering with highway construction or maintenance or safe use by the traveling public shall be considered an unlawful encroachment.
(b) Encroaching property causing an immediate hazard to the public shall be removed immediately by either the owner or the Department. Any encroaching property not causing an immediate hazard shall be deemed abandoned and removed by the Department if the owner cannot be determined after 48 hours. If subsequent ownership can be proven, the property shall be released upon payment of removal and storage costs. After 30 days the Department shall dispose of the property.
(c) Any person violating these rules is subject to prosecution pursuant to the provisions of W.S. 6-6-305.
045-24 Wyo. Code R. § 24-12