The Smart, Cheap Fix for Slow, Dumb Traffic Lights | Amznusa.com

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Most cities can’t afford smart traffic signals. Fortunately, data from new cars—and even drivers’ smartphones—can make old-fashioned traffic lights work a lot better.

​ Most cities can’t afford smart traffic signals. Fortunately, data from new cars—and even drivers’ smartphones—can make old-fashioned traffic lights work a lot better. PAID 

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