Police Try Out Tower Control Traffic System
From The Indianapolis Times, Tuesday, October 31, 1922: This afternoon the traffic signal control system in the tower east of Meridian in Washington St was tested for its debut tomorrow. Traffic officer George Cox, a ten-year police department veteran, flashed a green light, giving east and west traffic the right of way, an amber light meaning “go” for north south traffic, and a red light compelling all traffic to stop while street cars turned into or out of the traffic. M