NS SD70ACe number 1111, dubbed the "bar code unit", leads intermodal train 237 through Chamblee, Georgia. 237 originates in Charleston, SC, works the South Carolina Inland Port in Greer, and terminates at Inman Yard in Atlanta, crossing the entire Piedmont Division in less than a day's time. Photo by Casey Thomason. For more information about Norfolk Southern, visit www.nscorp.com