What is another word for traffic signal?
Pronunciation: [tɹˈafɪk sˈɪɡnə͡l] (IPA) 
The term "traffic signal" refers to a device that controls traffic flow at road intersections and pedestrian crossings. Synonyms of this term include traffic light, stop light, traffic semaphore, traffic control device, and signal light. Traffic lights became popular in the early 1900s and have since become an indispensable part of modern vehicular transportation. They have saved countless lives and prevented numerous accidents. In different parts of the world, traffic signals may be referred to using different names but their purpose remains the same- to ensure efficient and safe movement of vehicles and pedestrians on roads.
