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29/11/1910 The first US patent for inventing the traffic lights

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History of The Traffic Light

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How do Traffic Lights Work?

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History of The Traffic Light

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How do Traffic Lights Work?

Traffic lights, also known as traffic signals, traffic lamps, traffic semaphore, signal lights, stop lights, robots, and traffic control signals, are signaling devices positioned at road intersections, pedestrian crossings, and other locations to control flows of traffic.
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