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Made in 1868 to help pedistrans walk across the street without fearing horses
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the gas traffic light was lite by a person every day.A Police man was injured by the Traffic Light and it was taken out of London.That was the end of the gas light.
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An American policeman, Lester Wire, who was concerned with the increasing traffic, came up with the idea of the first electric traffic light.because the gas light was not lite all the time so traffic got bad a lot of the time
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Based on Wire’s design, the lights were first installed in Cleveland, Ohio, at the corner of 105th and Euclid Avenue.
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A policeman named William Potts in Detroit, Michigan invented the first four-way and three-colored traffic lights. Apart from red and green, a third color – amber (or yellow) – was introduced.
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Over time, computers improved, and the traffic lights subsequently improved, and they could now monitor traffic and change lights accordingly.
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The first computerized traffic light was installed in Ohio
