In the Southwesten part of Michigan the counties of Berrien, Branch, Cass, Kalamazoo, Van Buren and st joseph counties. they are maintained, plowed, sanded, and salted by the Michigan Department of Transportation. There are State highway Garages in Berrien County in Coloma and Niles. in Cass County they in Jones Michigan, in Van Buren County they have a state high way garage in Paw Paw. They use frequencies 151-085 and 151-115.