Who invented the first three color traffic light?
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Asked By: Sid Borer
Date created: Sat, Jun 19, 2021 4:16 AM
Date updated: Sun, Feb 19, 2023 1:23 AM
Content
Video answer: History of the traffic light
Top best answers to the question «Who invented the first three color traffic light»
Detroit traffic officer William Potts created this three-color, four-way traffic signal in 1920. Previous illuminated signals used only red and green lights.
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