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.
Reading Line with Reading. This railroad became part of the Reading Railroad, and carried traffic from the Allentown area to their main line. In 1976, The Reading Railroad was acquired by Conrail, which continued to use the line as a conduit between North Jersey and the rest of the country. When Conrail was split in 1999, Norfolk Southern was assigned the line. On March 14, 2018, Norfolk Southern increased speeds along the Reading Line from to at 33 grade crossings and from to at 3 grade crossings. The speed change was intended to increase the efficiency of rail operations and improve the