Scan This Engine To Find Out How Much It Will Cost! Norfolk Southern Corp “Bar Code Unit” (1111, SD70ACe) is in charge of train 52M to return empty grain cars on the morning of Thursday, August 16, 2018. It is passing Gavilon Grain in Townsend, DE after exchanging trains with the Delmarva Central Railroad. Business has significantly increased since DCR began operations in 2016, and trains continue increasing in length and frequency.