A traffic light controls the flow of vehicles and pedestrians April 20 2005 near downtown Chicago Illinois According to a survey released today the...
{"Image ImageDescription": "CHICAGO - APRIL 20:  A traffic light controls the flow of vehicles and pedestrians April 20, 2005 near downtown Chicago, Illinois. According to a survey released today, the nation?s traffic signals are mostly inefficient, leading to unnecessary delays, wasted fuel and increased air pollution as vehicles constantly stop and go.  (Photo by Scott Olson/Getty Images)", "Image Copyright": "2005 Getty Images"}