Cleveland, Ohio was the first US city to have introduced what in August 1914?

Brainy Blonde

The first traffic light. Aug 02 01, 12:32 AM

McGruff

Cleveland, Ohio, 1914 On August 5, 1914, several years before Garrett Morgan invented his T-shaped semaphore-type signal, the American Traffic Signal Company installed red and green traffic lights at each corner of the intersection of 105th Street and Euclid Avenue in Cleveland. See this 1914 Motorist article documenting the debut of the lights: http://www33.brinkster.com/iiiii/trfclt/105th-euclid/105th-euclid.html Feb 12 05, 6:22 AM

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