In the year since increasing the size of street-name signs, repainting median strips, installing larger and brighter stoplights, upgrading walk lights, and adding left-turn lanes along one busy street, Detroit saw a 35 percent drop in injury crashes for drivers age 65 and older and a four percent drop for drivers age 25 to 64.
Source: The Policy Book: AARP 2004 Public Policies, 10-8
Dr. Bob Flashman
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