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.
Everything from retiming traffic signals and monitoring traffic flow to installing LED technology and upgrading signals to a newer system is available with the grant money. — Jessica Riley, CBS News, 10 Aug. 2026 Just before a traffic signal at 33rd Street, a black minivan operating as an Uber was occupied by a driver and three passengers. — Kendrick Calfee, Kansas City Star, 7 Aug. 2026 Sotelo was issued two citations, including disregarding a traffic signal and having no driver’s license, per FOX 4. — Gina Kalsi, PEOPLE, 7 Aug. 2026 Two temporary traffic signals will also be at each of the construction entrances, Metz said. — Maya Wilkins, Chicago Tribune, 6 Aug. 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 14 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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