M-28 (Michigan highway)
M-28 is an east–west state trunkline highway that traverses nearly all of the Upper Peninsula of the U.S. state of Michigan. The 373-mile highway comprises mostly two lanes, undivided except for sections that are concurrent with US 41 near Marquette. The entire route is part of the National Highway System, and three sections of the trunkline arepart of the Lake Superior...
