Pennsylvania Avenue Line (Washington, D.C.) to take up such portions of their tracks as may come in way of the improvement of the Capitol Grounds". This improvement gave the Capitol Grounds their present shape, bounded by First Street West and East and B Street North and South, and the Pennsylvania Avenue Line was moved to First Street West and B Street South. The B&O station branch was moved to First Avenue West and C Street North, ending at New Jersey Avenue; this had been the route of the B&O before its tracks (actually those of the Alexandria and Washington Railroad) were ripped up in 1872.
Philadelphia, Wilmington and Baltimore Railroad the New Castle and Frenchtown and New Castle and Wilmington railroads, forming a branch line from Wilmington to Rodney. On May 21, 1877, it then absorbed the Southwark railroad, extending its main line to the Delaware River waterfront. In 1880, a conflict began between the PRR and the B&O, both of which operated over the PW&B. The B&O was working to reduce its reliance on PRR tracks; it had recently arranged to switch its Philadelphia-New York trains to the new Reading-controlled "Bound Brook Route," which had recently broken the PRR's monopoly on travel to New York via New Jersey. At