Long recognized as the historic heart of the American automotive industry, Detroit took on the nickname “Motor City”.
Explanation:
The first mile of concrete highway, the first four-way three-color traffic signal, and the world’s first urban motorway were all built-in Detroit. 2. It is also home to the Detroit Windsor Tunnel, the world’s first traffic tunnel connecting two countries.
Kirti
Long recognized as the historic heart of the American automotive industry, Detroit took on the nickname “Motor City”.
Explanation:
The first mile of concrete highway, the first four-way three-color traffic signal, and the world’s first urban motorway were all built-in Detroit. 2. It is also home to the Detroit Windsor Tunnel, the world’s first traffic tunnel connecting two countries.