Michigan's First Traffic Light (Detroit, Michigan)

USA / Michigan / Detroit / Detroit, Michigan
 historical layer / disappeared object, crossroad, traffic light
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The first four-way, three-color traffic light was created by Detroit police officer William Potts in 1920.
Nearby cities:
Coordinates:   42°22'12"N   83°4'23"W

Comments

  • The first electric traffic signal was installed in Salt Lake City in 1912, three years earlier. Another was installed in Cleveland in 1914.
This article was last modified 11 years ago