traffic light
US /ˈtræf.ɪk ˌlaɪt/
UK /ˈtræf.ɪk ˌlaɪt/

1.
feu de circulation, feu rouge
a set of automatically operated colored lights, typically red, yellow, and green, for controlling the flow of traffic at road junctions or pedestrian crossings
:
•
The car stopped at the traffic light.
La voiture s'est arrêtée au feu de circulation.
•
Turn left at the next traffic light.
Tournez à gauche au prochain feu de circulation.