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. M-22 is an original trunkline designation dating back to the 1919 designation of the system. Reroutings have moved the highway closer to the water between Suttons Bay and Traverse City. A section of the highway was used temporarily for another highway, M-109. Two sections of the highway have been designated as separate Pure Michigan Byways. The highway marker is used in marketing by a local business as a symbol of the region, a trademark for which has been the subject of legal controversies. A popular roadway in the area with tourists, the highway's marker has also been the subject of sign theft. From Wikipedia
