M-28 Business (Ishpeming–Negaunee, Michigan)
Business M-28 is a state trunkline highway serving as a business route. It runs for 4.841 miles through the downtown districts of Ishpeming and Negaunee in the US state of Michigan. The trunkline provides a marked route for traffic diverting from U.S. Highway 41 and M-28 through the two historic iron-mining communities.
