+A **traffic signal** is a device positioned at [Intersections](/wiki/Intersection) to control the flow of [Traffic](/wiki/Traffic). Using colored lights, it directs vehicles and pedestrians, ensuring safety and efficiency on roads.
+## See also
+- [Road Safety](/wiki/Road_Safety)
+- [Pedestrian](/wiki/Pedestrian)
+- [Urban Planning](/wiki/Urban_Planning)
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