+A **stoplight**, or traffic signal, is a visual device used to regulate [Traffic](/wiki/traffic) on [Road](/wiki/road) networks. Its distinct red, yellow, and green lights direct movement, ensuring order and safety at intersections. This simple yet vital invention manages the flow of vehicles and pedestrians alike.
+## See also
+- [Traffic Signal](/wiki/traffic_signal)
+- [Intersection](/wiki/intersection)
+- [Pedestrian](/wiki/pedestrian)
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