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.
The roughly $200 million project will include a reconstructed interchange at I-35, new bridges, wider pavement, road realignments and extensions, new traffic signals, medians, sidewalks and other safety improvements. Kendrick Calfee updated February 4, Kansas City Star, 4 Feb. 2026 Work will focus on updating all traffic signals and street lighting; installing and replacing rectangular rapid flash beacons; constructing curb extensions; upgrading utilities; and creating additional bus shelters at the Kenmore Place stop. Cailey Gleeson, jsonline.com, 3 Feb. 2026 The village also hopes for $6 million to improve safety at the accident-prone 94th Street and 159th Street intersection, $1 million to complete traffic signal optimization at 159th Street and LaGrange Road and to complete a traffic study of 159th Street from Will-Cook Road to Harlem Avenue. Olivia Stevens, Chicago Tribune, 3 Feb. 2026 Police responded to multiple crashes as traffic signals went dark. Tori Mason, CBS News, 2 Feb. 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 15 Feb. 2026.

Kids Definition

traffic signal

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

More from Merriam-Webster on traffic signal

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