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WSU professor says the city can remove thirty percent of its traffic signals

August 24, 2014

Wayne State University College of Engineering professor Joseph Hummer recently conducted a study that resulted in the recommendation that the city of Detroit remove 30 percent of its traffic signals to save money and improve traffic flow. The results from the study suggest that almost 500 of the signals throughout the city can be removed and replaced with either two-way or four-way stop control saving the city $460,000 to $3,700,000 annually in operating costs.