traffic light


Definition of traffic light

: a visual signal (such as a system of colored lights) for controlling traffic

Examples of traffic light in a Sentence

Take a left at the traffic light.

Recent Examples on the Web

The impact caused both vehicles to spin, and the SUV then collided with a traffic light pole and landed on its passenger side. Loyd Brumfield, Dallas News, "Mother, 6-year-old child killed in collision between pickup, SUV in Pleasant Grove," 6 June 2019 The impact caused the Jeep to hit a pedestrian crossing signal and a traffic light police before coming to a final rest. Carol Robinson |,, "Teen told Auburn police he fell asleep before wreck that killed Rod and Paula Bramblett," 6 June 2019 Video footage showed a Ford plowing through a group of cyclists waiting at traffic lights in Parliament Square, the central London location of Britain’s Houses of Parliament. Stephen Fidler, WSJ, "Police Seek Motive Behind Suspected Attack on U.K. Parliament," 15 Aug. 2018 The grand jury's recommendation said that Jones was not a threat at the time and that Pownall violated several policies including firing his weapon toward cars waiting at a traffic light. Fox News, "Judge steps aside in homicide case against ex-officer," 19 Sep. 2018 The master plan would swap traffic lights for roundabouts at three intersections along the main road running through Bradley. Matthew Ormseth,, "Bradley Airport Makeover: Five Takeaways For The Common Traveler," 9 May 2018 And this year New York City introduced a pilot program allowing cyclists to follow the pedestrian signal instead of the traffic light at certain intersections in an acknowledgement that doing so can reduce the potential for driver/cyclist conflict. Eben Weiss, Outside Online, "The Ethics of Breaking Traffic Laws," 11 Apr. 2018 Projects range from multibillion-dollar light-rail lines to retiming traffic lights for slower traffic. Christopher D. Legras, WSJ, "Vision Zero, a ‘Road Diet’ Fad, Is Proving to Be Deadly," 18 Jan. 2019 Finally, that one other detail that made all the difference: all the traffic lights had to be cycled on green. Tom Gralish,, "Pre Post Game," 4 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'traffic light.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of traffic light

1912, in the meaning defined above

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Statistics for traffic light

Last Updated

16 Jun 2019

Look-up Popularity

Time Traveler for traffic light

The first known use of traffic light was in 1912

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More Definitions for traffic light

traffic light


English Language Learners Definition of traffic light

: an electric lamp that usually has a red, a green, and a yellow light and that is used to control traffic

traffic light


Kids Definition of traffic light

: a visual signal (as a set of colored lights) for controlling the flow of vehicles

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More from Merriam-Webster on traffic light

Rhyming Dictionary: Words that rhyme with traffic light

Spanish Central: Translation of traffic light

Nglish: Translation of traffic light for Spanish Speakers

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