It could go more than 40 mph. In Michigan, state-designated snowmobile trails are open Dec. 1 until March 31, weather permitting, according to the Michigan Department of Natural Resources.

Michigan’s more than 6,000 miles of state-designated snowmobile trails will be free to ride this weekend. The annual Free Snowmobile Weekend is scheduled for Friday to Sunday, Jan. 17-19.

(CBS DETROIT) - Michigan's public snowmobile trails are free to use one weekend a year without a trail permit – and those open dates have arrived for 2025. From Jan. 17 to 19, recreational users ...

Free snowmobile weekend is Jan. 17-19. During this time, Michigan Department of Natural Resources snowmobile trails, public roads, and public lands can be ridden without a snowmobile registration ...