Select a region to view local names for state highways.

• Bay Region
  Arenac, Bay, Clare, Genesee, Gladwin, Gratiot, Huron, Isabella, Lapeer, Midland, Saginaw, Sanilac and Tuscola counties
• Grand Region
  Ionia, Kent, Mecosta, Montcalm, Muskegon, Newaygo, Oceana and Ottawa counties
• Metro Region
  Macomb, Oakland, St. Clair and Wayne counties

• North Region
  Alcona, Alpena, Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet, Grand Traverse, Iosco, Kalkaska, Lake, Leelanau, Manistee, Mason, Missaukee, Montmorency, Ogemaw, Osceola, Oscoda, Otsego, Presque Isle, Roscommon and Wexford counties
• Southwest Region
  Allegan, Barry, Berrien, Branch, Cass, Calhoun, Kalamazoo, St. Joseph and Van Buren counties
• Superior Region
  Alger, Baraga, Chippewa, Delta, Dickinson, Gogebic, Houghton, Iron, Keweenau, Luce, Mackinac, Marquette, Menominee, Ontonagon, and Schoolcraft counties
• University Region
  Clinton, Eaton, Hillsdale, Ingham, Jackson, Lenawaee, Livingston, Monroe, Shiawassee and Washtenaw counties