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
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In addition to the traffic signal, the project will also add a left turn lane. March 26, Charlotte Observer, 26 Mar. 2026 One of the vehicles that was hit was pushed onto the median and knocked over a traffic signal. Ashley MacKin Solomon, San Diego Union-Tribune, 22 Mar. 2026 The traffic signals were damaged by the heat of the fire and will be replaced, police said. Joseph Buczek, CBS News, 19 Mar. 2026 Sowell also supports the city’s pilot program to use artificial intelligence to calibrate the length of traffic signals to move traffic more efficiently. Dallas Morning News, 18 Mar. 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

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Cite this Entry

“Traffic signal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traffic%20signal. Accessed 28 Mar. 2026.

Kids Definition

traffic signal

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

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