M-209 (Michigan highway)
…Leelanau County in the Sleeping Bear Dunes National Lakeshore. Until it was decommissioned, it was Michigan's shortest state highway. M-209 started at M-109 and went just over 1⁄2 mile (about 956 yards [874 m]) to Glen Haven. In 1995, M-209's designation was "abandoned", and the road was turned over to the…