and its extension, Newport-Stanton Pike (Delaware Route 4). A portion of the Philadelphia, Wilmington and Baltimore Railroad, subsequently the main north–south line of the Pennsylvania Railroad, now Amtrak's Northeast Corridor, crosses through Newport, and a portion of the old Baltimore and Ohio Railroad, now CSX Transportation's Philadelphia Subdivision crosses through Elsmere. The East Penn Railroad runs from Elsmere generally along Montchanin Road and the Wilmington and Western Railroad runs along Red Clay Creek. Hundreds in New Castle County, Delaware