(a) Nothing in this act prevents the owner of real property used by the public for purposes of vehicular travel by permission of the owner, and not as matter of right, from prohibiting the use, or from requiring other or different or additional conditions than those specified in this act, or otherwise regulating use of the real property as determined by the owner.
(b) With the approval of the board of county commissioners or the local governing body having jurisdiction, the real property owner may reserve parking spaces for the handicapped and erect signs in accordance with W.S. 31-5-501(b). The signs reserving parking spaces for the handicapped under this section shall be enforceable under W.S. 31-5-501(c) or any existing municipal ordinance adopted by the governing body of the municipality with jurisdiction.