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[10] [11] [12] The first four-way, three-colour traffic light was created by William Potts in Detroit, Michigan in 1920. [13] His design was the first to include an amber 'caution' light along with red and green lights. [14] Potts was Superintendent of Signals for the Police Department of Detroit.
[1]: 385 Wolverhampton was the first British town to introduce automated traffic lights in 1927 in Princes Square at the junction of Lichfield Street and Princess Street on a trial basis. [17] Great Britain's first permanent automated traffic lights were opened on 16 March 1928 in Leeds, on the corner of Park Row and Bond Street. [18] [19]
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The first municipal government to purchase and install the Brush arc lighting system was the city of Wabash, Indiana. [1] On March 31, 1880, Wabash became "the first town in the world generally lighted by electricity," as four 3,000-candlepower Brush lights suspended from the flagstaff on top of the Wabash County Courthouse were switched on ...
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Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.
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