Mich. Comp. Laws § 42.16
Except insofar as limited by state law and the provisions of this act, the township board shall have power to establish and vacate and use, and to control and regulate the use of the streets, alleys, bridges, and public places of the township and the space above and beneath them, such regulation of its streets, alleys, bridges, and public places shall be deemed a matter of local concern. Nothing in this act shall be construed to repeal or nullify the provisions of Act No. 221 of the Public Acts of 1937. Any ordinance concerning the operation of motor vehicles on any road, street or highway shall not become effective until 30 days after approval by the commissioner of the Michigan state police. A record of all ordinances so approved by the commissioner shall be kept on file in his office. Such power shall include, but not be limited to, the proper policing and supervision thereof; to the licensing and regulation, or the prohibition of the placing of signs, awnings, awning posts, and other things which are of such nature as to impede or make dangerous the use of sidewalks or streets, upon or over the sidewalks or streets of the township; and the licensing and regulation of the construction and use of openings in the sidewalks or streets, and of all vaults, structures, and excavations under the same.
MCL 42.16