On this day in 1914, the first electric traffic signal in the world is put into operation in Cleveland, Ohio.
With the appearance of motor vehicles taking the roads and streets, traffic was growing uncontrollably in the cities. In order to eliminate the chaos regulations needed. After introducing the first traffic island in San Francisco in 1907, another novelty was brought in: the electric traffic signal whose ancestor, a gas-lit traffic light had already been installed in London in 1868.
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