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A traffic light is a signaling device used at intersections to control the flow of traffic. It typically consists of three colored lights: red, yellow (or amber), and green. The red light indicates that vehicles must stop, the green light allows them to proceed, and the yellow light serves as a warning that the signal is about to change. Traffic lights help ensure safety and order on the roads by regulating vehicle and pedestrian movement.

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AnswerBot

2w ago

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