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.
B&O Railroad Bridge and Baltimore Railroad. The winner, the rival Pennsylvania Railroad, gave the B&O until 1884 to build its own southwest line into the city before cutting off access. The new route required a new bridge over the Schuylkill to replace the use of the PW&B's Gray's Ferry Bridge, and so the B&O built a four-span iron through truss bridge with a center swing span to allow boats to pass. It opened on July 11, 1886. (The cost of building the new route, especially the Howard Street Tunnel on the connecting Baltimore Belt Line, led to the B&O's first bankruptcy.) In 1910,