Mich. Comp. Laws § 67.21: Trees in highways; street lighting.

Sec. 21.

The council may provide for and regulate the planting of shade and ornamental trees in public highways, streets and avenues of the village, and for the protection thereof, and the trimming of all trees in or that overhang such highway, streets, or avenues, or which obstruct public lighting, and may light the streets and public places, and regulate the setting of lamps and lamp posts therein and protect the same.