U.S. rail traffic was mixed for the week ending July 13, 2013 according to the Weekly Rail Traffic Summary released by the AAR July 18th. Carload volume for the week was down 3.1 percent compared to the same week last year, while intermodal volume was up 0.9 percent. Total U.S. rail traffic for the week was down 1.3 percent compared to the same week in 2012.