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An early two-light traffic signal by White Horse Tavern in Hudson Street, New York. Image taken in 1961. Despite the failure of the world's first traffic light in London in 1869, countries all around the world still made traffic lights. By 1880, traffic lights spread all over the world, and it has always been like that, since then.
William Potts (May 1883 – 1947) was a Detroit police officer who is credited with inventing the modern, three-lens traffic light in Detroit in 1920. (A gas-powered, two-lens, red/green traffic signal was invented in London in 1868 by John Peake Knight, though after a short test installation, traffic lights were not seen again in the U.K. until 1929.) [1]
It was installed by the American Traffic Signal Company on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio, on August 5, 1914. [10] [11] [12] The first four-way, three-colour traffic light was created by William Potts in Detroit, Michigan in 1920. [13]
Gas lamps gradually started replacing oil street lamps in the United States, beginning in the first quarter of the 19th century. [3] The first street in the world to be illuminated by gaslight was Pall Mall in London, starting in 1807. [1] [5] The first US city to use gas street lights was Baltimore, starting in 1817. [4]
Lester Farnsworth Wire (September 3, 1887 – April 14, 1958) was an American police officer and inventor.He is credited with the invention of the electric traffic light in 1912.
“If, after coming to a full stop, light malfunctions and does not change, the driver should check to make certain that the intersection is clear of any traffic and proceed with caution,” she said.
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