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 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 Brown has admitted shooting 19-year-old Brendan Tevlin in 2014 as Tevlin sat in his car at a traffic light in West Orange, a few miles from Newark. Fox News, "Man on 'jihad' faces sentencing in college student's murder," 1 May 2018 Two sets of traffic lights would be added to a short span of Main Street — the local name for Route 1 — that funnels about 25,000 cars a day to and from a two-lane bridge across the Sheepscot River in summer. Brian Macquarrie,, "In picturesque Maine town, traffic is a double-edged sword," 7 Apr. 2018 Once all of the planned work is completed, overpasses and exit/entrance ramps will replace the existing series of traffic lights and intersections on Ohio 32 between I-275 and Batavia. Sheila Vilvens,, "Why more construction on Ohio 32? Because by 2030 it will carry 79,000 vehicles per day, projections say," 8 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

21 Apr 2019

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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

Comments on traffic light

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a secret plot to overthrow a government

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