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World's First Traffic Light was used even before automobiles were in use. There were people, buggies and wagons on the road.
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The lantern ran by gas and was turned by a lever at its base so that the right faced Traffic. This Traffic Light exploded,hurting the policeman that was operating it.
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The first 4-way three color traffic light installed in 1920 on the corner Woodward and Michigan Avenues in Detroit.
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Garrett Morgan Of Cleveland,Ohio realized the need to control the flow of traffic. A gifted inventor reportedly the first African American to own a automobile in Cleveland,Ohio he invented the electric automatic traffic light
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When cars came traffic got worse, Police officer Willam L.Plotts used red, amber and green railroad lights and about 37 dollars worth of wire and electrical control yo make the world's first 4-way three color traffic Light.
