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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.
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.
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]
Morgan would also design a traffic signal in 1923 after witnessing a horrible crash at an intersection. His manually-operated design included moving arms featuring signals for "go" and "stop". [1] He eventually sold the rights to General Electric for $40,000. [14] Later in life he developed glaucoma [5] and by 1943 was functionally blind.
The first ever electric traffic signal was introduced in Cleveland, Ohio, at the corner of Euclid Avenue and East 105th Street on August 5, 1914.
According to The Electrical Review: “Under the old system of lighting it was dangerous for a pedestrian to attempt to cross the street because of the heavy automobile traffic. Now the entire street is flooded with evenly distributed light and the appearance of the street as well as the public safety has been greatly enhanced." [11]
1912 Traffic light (electric) Traffic lights in Spain. The traffic light, also known as traffic signal, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using a series of colors, the correct moment to stop, drive, ride or walk, using a universal color code.
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