(1) Road authorities may regulate the movement of pedestrians upon highways within their jurisdictions by doing any of the following:
- (a) Establishing marked crosswalks and designating them by appropriate marking.
- (b) Closing a marked or unmarked crosswalk and prohibiting pedestrians from crossing a roadway where a crosswalk has been closed by placing and maintaining signs giving notice of closure.
- (c) Prohibiting pedestrians from crossing a highway at any place other than within a marked or unmarked crosswalk.