Traffic lights are signaling devices placed at intersections to manage vehicle and pedestrian traffic. Made up of red, yellow and green lights, they transmit precise instructions. Red indicates shutdown, green indicates the system continues, and yellow warns of an imminent change. Controlled by timers or sensors, traffic lights improve traffic flow and safety. With the evolution of technology, smart traffic lights incorporate adaptive systems, thereby improving efficiency. Understanding their color codes and functions is crucial for safe and organized road navigation.

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