Mich. Comp. Laws § 257.680: Driving over unprotected fire hose; violation as civil infraction.

Sec. 680.

A streetcar or vehicle shall not be driven over an unprotected hose of a fire department when laid down on a street, private driveway, or streetcar track, to be used at a fire or alarm of fire, without the consent of the fire department official in command.

A person who violates this section is responsible for a civil infraction.