Any person who operates a motor vehicle which is entering or leaving a place of business or employment where there is a clear notice that a labor dispute is in progress, and who fails to bring the vehicle to a full stop at the entrance to or exit from that place, or who fails to exercise caution in entering or leaving that place, is guilty of a misdemeanor.
Minn. Stat. § 179.121
1979 c 331 s 1