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  • Lester Wire, Google Doodle, 101 years of traffic signal, Lester wire

    101 Years Of Traffic Signal 2015-08-05 06:12:54

    When was the first traffic light installed? It was an American policeman named Lester Wire, in Utah, who has first developed an electric traffic light in 1912 and used the red-green lights. The American Traffic Signal Company installed a traffic...

    Keywords: Google Doodle, Lester Wire, Lester Wire, Lester Wire

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