U.S. Route 16 in Michigan

US Highway 16 (US 16), also called Grand River Avenue for much of its length in the state, was a principal road prior to the post-World War II construction of freeways in the state of Michigan. Before the creation of the United States Numbered Highway System in 1926, the highway had been designated as a state highway numbered M-16.

Source: Wikipedia — U.S. Route 16 in Michigan (CC BY-SA 4.0)