Who invented the first three color traffic light?
Asked By: Sid Borer
Date created: Sat, Jun 19, 2021 4:16 AM
Date updated: Sun, Feb 19, 2023 1:23 AM
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.
Video answer: Do you know who invented traffic lights?