traffic light

• Dispositivo de señalización con luces de colores, generalmente rojo, amarillo y verde, que regula el tránsito de vehículos y peatones en cruces y otros puntos de la vía.

A set of automatically operated colored lights, typically red, amber, and green, used to control traffic at road junctions, pedestrian crossings, and other locations.

1. Road signal deviceA1formal

   A set of automatically operated colored lights (red, amber, green) used to control road traffic at intersections.

   Semáforo

   • Stop when the traffic light turns red.
   • The traffic light changed to green, so we drove forward.
   • He waited patiently at the traffic light for pedestrians to cross.