Q:

Who invented stop lights

Answer

Police Officer William L. Potts of Detroit, Michigan invented the traffic light in 1920 due to the increase in automobile problems

Categorized In: History

Source: Traffic Light History - Invention of the Traffic Light | www.ideafinder.com

Description: Police Officer William L. Potts of Detroit, Michigan

2 days ago, 09:28pm

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More ChaCha Answers (1)

William Potts, a policeman from Detroit, deserves the credit for inventing the modern three color traffic light. Keep ChaChaing!

Jul 09 2009, 02:16pm | Source: Who Invented the Traffic Light? William Potts of Detroit | transportationhistory.suite101.com

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