traffic signal

noun

: a signal (such as a traffic light) for controlling traffic

Examples of traffic signal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Temporary traffic signals will be operating at several rally choke points. — Josh Max, Forbes.com, 31 July 2026 Gonzalez said the system could include dedicated lanes, traffic signal priority and upgraded stations. — James Taylor, CBS News, 29 July 2026 Buses would be electric-powered with on-board batteries and equipped to control traffic signals when necessary for faster rides, Metro reported last year. — Steve Scauzillo, Daily News, 20 July 2026 That includes $10 million for the underpass and about $2 million for a traffic signal at Avimor Drive and several collector roads built during the project’s early phases. — Noah Daly july 17, Idaho Statesman, 17 July 2026 See All Example Sentences for traffic signal

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of traffic signal was in 1893

Browse Nearby Words

traffic sign
traffic signal
traffic stop
See all Nearby Words

Cite this Entry

“Traffic signal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traffic%20signal. Accessed 6 Aug. 2026.

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Kids Definition

traffic signal

noun
: a signal (as a traffic light) for controlling traffic

More from Merriam-Webster on traffic signal

Britannica.com: Encyclopedia article about traffic signal

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