Stud Restrictions: This map does not highlight trails with stud restrictions. A snowmobile with studs (metal traction devices) may not operate on a paved public trail unless exempted by the state or local unit of government that operates that trail. On some sections of the affected paved trails, alternate routes open to all snowmobiles have been provided. For the most up-to-date information, call the local trail contact. For more information on state trails with restrictions go to http://www.mndnr.gov/snowmobiling/pavedtrails.html.