traffic light
A set of red, amber, and green lights that control the flow of vehicles and pedestrians at a road junction.
Noun
pl: traffic lights
This term describes the automated signaling system used in urban planning to manage vehicle and pedestrian safety. It carries a neutral, functional connotation and is used across all registers, from casual conversation to formal legal reports regarding road accidents.
While the term is typically used in the singular to describe the device itself, it is frequently used in the plural when discussing the general system of traffic control in a city.
Meanings
Examples
Is there a traffic light at the intersection?
Travel