(a) No signs, canopies, marquees, or similar installations shall be erected on or protrude into the right-of-way in rural areas except for official signs marking buried pipeline or cable.
(b) Within the corporate limits of a city or town as designated by the Department, erection of awnings, canopies, marquees, and on-premises advertising signs shall be allowed subject to the following:
(c) The protrusion of signs, canopies, and other installations into the right-of-way is an illegal encroachment and shall not be permitted unless all the preceding criteria of this section are met. Encroachments meeting the preceding requirements shall be permitted if, in the Department's judgment, the installation does not in any manner detract from the effectiveness of official traffic control devices or constitute a traffic hazard.
045-24 Wyo. Code R. § 24-8