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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.
Work includes sidewalk and ADA ramp improvements, pedestrian crossings, lighting, pavement rehabilitation, drainage work and traffic signal upgrades. — Jamal Goss, CBS News, 17 Sep. 2026 The outage is impacting traffic signals and businesses in the area. — Mark Price, Charlotte Observer, 15 Sep. 2026 Decisions about traffic signals, speed limits and congestion solutions often come with life-and-death implications. — Bryan Mistele, Forbes.com, 10 Sep. 2026 Riders also would have been required to yield to pedestrians and obey signs and traffic signals. — Haley Parsley, Sacbee.com, 9 Sep. 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 24 Sep. 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

Last Updated: - Updated example sentences
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