Which state of Canada is connected to the most populous city in the US state of Michigan and the seat of Wayne County, by means of the Michigan Central Railway Tunnel, a railroad tunnel under the Detroit River?
Michigan Central Railway Tunnel: The Michigan Central Railway Tunnel is a railroad tunnel under the Detroit River connecting Detroit, Michigan, in the United States with Windsor, Ontario, in Canada. Detroit: Detroit ( ) is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.
Ontario