Meaning of the word "traffic signal" in English

What does "traffic signal" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

traffic signal

US /ˈtræf.ɪk ˌsɪɡ.nəl/
UK /ˈtræf.ɪk ˌsɪɡ.nəl/
"traffic signal" picture

Noun

a set of automatically operated colored lights, typically red, amber, and green, for controlling traffic at road junctions

Example:
The traffic signal turned red just as I reached the intersection.
Drivers must obey every traffic signal to ensure safety on the road.