(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.

(2) This section neither grants authority to nor limits the authority of the Department of Transportation. [1983 c.338 § 152]