Capitol South station

Capitol South station is an underground Washington Metro station located in the Capitol Hill neighborhood of Washington, D.C.. It is served by the Blue, Orange, and Silver lines, providing critical transit access to the southern precincts of the United States Capitol complex. Operated by the Washington Metropolitan Area Transit Authority, the station opened on July 1, 1977, as part of the original Metro system network.

History

The station's planning and construction were integral to the initial Regional System plan developed in the late 1960s, designed to serve the growing federal workforce and connect residential areas to the National Mall. It opened concurrently with the first segment of the Orange Line, linking Stadium–Armory to Metro Center. Its location was strategically chosen to alleviate traffic congestion around the Capitol Hill and House office buildings, following recommendations from the National Capital Planning Commission. Over the decades, it has witnessed significant expansions in service, including the addition of the Blue Line in 1977 and the Silver Line in 2014.

Station layout

The station features a single, 600-foot-long island platform situated deep beneath First Street Southeast, aligned with a standard Washington Metro rapid transit design. Access from the street is provided via escalators and elevators within a mezzanine at the western end, which connects to entrances at the intersection of First Street Southeast and C Street Southeast. The design utilizes a barrel vault ceiling, consistent with the architecture of Harry Weese, and is finished in the signature Washington Metro grooved concrete. The station's deep tunnel construction was necessitated by its proximity to the foundational structures of the Library of Congress and the United States Botanic Garden.

Services and connections

Capitol South is served by the Blue, Orange, and Silver lines, offering frequent service to destinations such as Arlington, Downtown D.C., Northern Virginia, and Maryland. Key transfer points accessible via these lines include Metro Center, L'Enfant Plaza, and Rosslyn. The station functions as a major bus transfer hub, with Metrobus routes operated by the Washington Metropolitan Area Transit Authority providing connections across the District of Columbia and to Prince George's County, Maryland. A Capital Bikeshare station is located adjacent to the entrance.

Nearby landmarks

The station's primary function is to serve the legislative branch of the U.S. federal government. Its exits place passengers within short walking distance of the United States Capitol, the Cannon House Office Building, the Dirksen Senate Office Building, and the James Madison Memorial Building of the Library of Congress. Other significant institutions in the vicinity include the Folger Shakespeare Library, the Supreme Court of the United States, and the Bartholdi Park of the United States Botanic Garden. The station also provides access to the Eastern Market historic district and Marine Barracks, Washington, D.C..

Incidents and events

The station has been a focal point during several major national events, including multiple presidential inaugurations, where it manages exceptionally high passenger volumes. It was temporarily closed for security reasons during the State of the Union joint sessions of Congress and following the January 6 attack on the U.S. Capitol in 2021. The station has experienced occasional service disruptions due to police activity related to demonstrations on the National Mall and near the Supreme Court. In 2010, it was the site of a non-injury evacuation following a minor electrical fire in the mezzanine.

Category:Washington Metro stations in Washington, D.C. Category:Railway stations opened in 1977 Category:Buildings and structures on Capitol Hill