stop light
US /ˈstɑːp laɪt/
UK /ˈstɑːp laɪt/

1.
feu rouge, feu de signalisation
a set of automatically operated colored lights, typically red, yellow, and green, for controlling traffic at road junctions and pedestrian crossings
:
•
The car stopped at the stop light.
La voiture s'est arrêtée au feu rouge.
•
Wait for the stop light to turn green before crossing.
Attendez que le feu rouge passe au vert avant de traverser.