 The Pomeroy and Newark Railroad was the final step in a series of consolidations and a foreclosure.The earliest predecessors were the Delaware and Pennsylvania Railroad, incorporated February 1857 in Delaware, and the Pennsylvania and Delaware Railroad, incorporated August 1868 in Pennsylvania as the Doe Run and White Clay Creek Railroad, and renamed August 1870.The two companies completed a line from Pomeroy, on the Pennsylvania Railroad's Main Line, south to Newark and southeast to Delaware City on the Delaware Bay, in about 1873, and merged in May of that year to form the Pennsylvania and Delaware Railway.