The Motor Vehicle Use Map (MVUM) displays the designated network of roads and trails for public motor vehicle use. The MVUM is your tool for knowing where you can legally operate your motor vehicle.
If you are interested in learning more about how to use the MUM, see this article by Nathan Anderson here
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Use maps on your mobile devices and locate yourself without the Internet or network connections. Stay safe & aware of where you are, even in the remotest of places using the Avenza Maps app.
Take Avenza Maps hiking, biking, climbing, camping and anywhere you need a map outdoors. Offline location helps you stay on track, on the trail, and out of restricted areas. LINK
There are three designated types of state-designated ORV trails, including: Motorcycle-only trails maintained at a 24" width. ORV trails maintained at a 50" width. ORV routes maintained at a minimum 72" width or greater. See the MI DNR website for more information.