045-6 Wyo. Code R. § 6-8
(a) Above ground support facilities like repeater huts, gas pressure regulator buildings, ground mounted electrical transformers, junction or splice boxes, cathodic protection ground beds and their rectifiers, above ground pipeline shutoff valves and cleanout traps, pressure relief valves, etc., shall not be constructed within the highway right-of-way unless extenuating circumstances exist and the proposed location has expressly been approved by the Department's engineer and the location meets all provisions of this regulation.
(b) Top of manholes, vaults, or other below ground facilities shall be flush with the existing ground and their locations and design must be specifically approved by the Department's engineer.
(c) Access driveways to facilities located outside of but adjacent to the highway R/W may be granted by separate application to the District Traffic Engineer.
(d) Guy wires and anchors for aerial facilities located outside of the highway R/W shall not be permitted on the highway R/W unless extenuating circumstances exist and the location of the guys and anchors meets other criteria of this regulation.
(e) Temporary pole structures for use during stringing of aerial lines shall be placed no closer to the road's traveled way than allowed by the clear zone provisions.
(f) In any case, permitted appurtenances and support facilities shall be located as close as possible (preferably within 15 feet) of the R/W line.
045-6 Wyo. Code R. § 6-8