“In 1920, the first four-way, three-color traffic light was created by police officer William Potts in Detroit, Michigan”, said the guide at the Ford Museum.
The signal itself was installed at Woodward Avenue and Fort Street in Detroit.
So after returning from the Museum, I visited this intersection in downtown Detroit.
I created this panoramic photo directly from my mobile camera.
Here are some other buildings at the intersection.
This location can be reached by using paid bikes.
Fast forward to 2025, and traffic lights in the US have evolved to include more symbols and even some verbose text 
Read how you can visit the Ford Museum by bus for only $1.
Have you ever visited a place that was a historic first?
Please share it in the comments.
How to Reach
Read how to reach downtown Detroit from the airport.
Where to Eat
Try the coney hot dog at the American Coney Island.
Detroit Attractions and Things to Do
- Visit the Corner Public Clock above Fresh Mex.
- Visit places that appear in Hollywood movies.
- Visit the Kern’s Clock - a landmark iconic clock tower in Detroit.
- Explore the Street Art in Detroit
- Visit the Minimalistic Art - Clock Tower on Michigan Avenue.
- The Giant Clock Tower of the University of Detroit Mercy
