Latest Index of Traffic Congestion Shows Risk of Uneven Recovery in the U.S. Economy

KIRKLAND, Wash., June 4, 2013 /PRNewswire/ -- Data from the most recent INRIX Gridlock Index (IGI) shows overall levels of U.S. traffic jumped by more than nine percent during April – the second largest year-over-year increase recorded by the IGI. While more commuters and...