M-72 is a state trunkline highway in the US state of Michigan, running from Lake Huron to Lake Michigan across the northern part of the Lower Peninsula. The highway connects M-22 in Empire with US Highway 23 (US 23) in Harrisville. It is one of only three Michigan state trunklines that cross the Lower Peninsula, shore to shore. In between, M-72 runs across Northern Michigan woodland, agricultural areas of the Leelanau Peninsula near Traverse City, and the Au Sable River watershed. The trunkline also provides access to Camp Grayling, a National Guard training facility near the city of the same name. Traffic levels along the highway vary from approximately 800 vehicles a day on the east end to over 32,000 vehicles near Traverse City.
Junction of M-72 and M-93 west of Grayling, looking westbound
M-22 is a state trunkline highway in the US state of Michigan. It is 116.7 miles (187.8 km) long and follows the Lake Michigan shoreline of the Leelanau Peninsula, making up a portion of the Lake Michigan Circle Tour. It also passes through the Sleeping Bear Dunes National Lakeshore. The highway is U-shaped as it rounds the peninsula running through tourist areas in Leland and Suttons Bay in addition to the national lakeshore.
Marker at Good Harbor, south of Leland
Crossing into Traverse City
Fall colors along M-22 south of Leland, October 2015
M-22 crossing the 45th parallel near Suttons Bay