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United States Capitol subway system

From Wikipedia, the free encyclopedia

United States Capitol subway system
Capitol Subway car.jpg
OwnerU.S. federal government
LocaleUnited States Capitol Complex, Washington, D.C.
Transit typePeople mover
Number of lines3
Number of stations6
Began operationMarch 7, 1909 (1909-03-07)
Operator(s)Architect of the Capitol
Number of vehicles7
System map

Maintenance spur
U.S. Capitol

The subway system of the United States Capitol Complex in Washington, D.C., consists of three underground electric people mover systems that connect the United States Capitol to all three of the Senate office buildings and one of the five House office buildings.


The original subway line was built in 1909 to link the Russell Senate Office Building to the Capitol.[1] In 1960, an operator-controlled monorail was installed for the Dirksen Senate Office Building.[2] A two-car subway line connecting the Rayburn House Office Building to the Capitol was built in 1965.[3][4] The Dirksen monorail, which had been extended to the Hart Senate Office Building in 1982, was replaced in 1993 by an automatic train.[1][2]


Capitol basement floor plan. Senate subway terminals are on the bottom right, the Rayburn subway terminal is on the top left, underground walkways to House offices are at bottom left
Capitol basement floor plan. Senate subway terminals are on the bottom right, the Rayburn subway terminal is on the top left, underground walkways to House offices are at bottom left

On the Senate side, two separate subway lines exist. The first is a crewed two-track system, with a single open-topped car operating on each track, connecting the Russell Senate Office Building and the Capitol. The other is a computer-controlled system with three enclosed trains of three cars each running on a 90-second schedule, connecting the Hart Senate Office Building, the Dirksen Senate Office Building, and the Capitol.[5] The train cars are unpowered; the train is propelled by a track-side linear motor. This line has two parallel tracks for most of its length, but at the Hart and Capitol stations the tracks converge into one, with a single side platform. This allows easy return travel on the opposite track. The Dirksen station features a side platform for Capitol-bound trains and an island platform for Hart-bound trains. All three of these stations feature platform screen doors. A small maintenance spur is located adjacent to the Hart station.

On the House side, an older, crewed two-track system, with a single open-topped car operating on each track, shuttles passengers between the Rayburn House Office Building and the Capitol. The remaining four House office buildings are not serviced by the subway system; two (Cannon and Longworth) use a shared underground footpath tunnel while the other two (Ford and O'Neill) have no underground connection to the capitol.

The House and Senate subway systems do not terminate in the same location under the Capitol, but they are connected by a labyrinth of tunnels.


U.S. Capitol Subway between the U.S. Capitol Building and the Dirksen Senate Office Building

Members of the public can travel on the trains – usually during a tour of the Capitol Complex – but must be escorted by a staff member with proper identification. During votes, the House subway is restricted to congressional members. The Russell subway is restricted to members and staff during Senate votes.

Since the terrorist attacks of September 11, 2001, restrictions have been placed on visitors using the Senate subway between the Hart and Dirksen buildings.


A collision occurred on October 2, 2007, in the Rayburn to Capitol subway line after a car failed to slow down when it reached the end of the track line. The operator was injured and taken to a hospital for observation.[6]


Then Senator John W. Bricker was shot at by former Capitol Police officer William Louis Kaiser on July 12, 1947.[7] Bricker survived as shots did not hit him.

Image gallery

Rolling stock

Current cars:[8]

  • 4 open car sets with seating for 18 and separate cab for operator; 2 sets for the House and 2 sets for the Senate
  • 3 enclosed, unpowered car sets with seating for 36; automated cars

Retired cars:

  • Studebaker Company built electric coach cars c. 1909 from Russell line
  • 2 electric monorail c. 1912
  • 2 electric monorail c. 1915 and 1920 replacing 1912 cars and retired 1961; built by Columbia Construction Company at Washington Naval Yard
  • Dirsken line electric monorail c. 1960 retired 1993 and replaced with enclosed monorail cars

See also


  1. ^ a b Kessler, Ronald (1998). Inside Congress: The Shocking Scandals, Corruption, and Abuse of Power Behind the Scenes on Capitol Hill. Simon & Schuster. pp. 13–14. ISBN 0-671-00386-0. Retrieved August 11, 2009.
  2. ^ a b Alexovich, Ariel (May 31, 2006). "The not-so-seedy underworld of Capitol Hill". Roll Call. Retrieved August 11, 2009.
  3. ^ "The Rayburn House Office Building". Architect of the Capitol. Retrieved August 11, 2009.
  4. ^ "Capitol Clinker". Time. January 15, 1965. Archived from the original on February 3, 2011. Retrieved August 11, 2009.
  5. ^ Political drama follows lawmakers underground to Capitol Hill subway (Youtube). Washington Post. 15 August 2017. Archived from the original on 2021-12-11. Retrieved 23 February 2019.
  6. ^ Yehle, Emily (October 4, 2007). "Subway Accident Injures One". Roll Call. Retrieved August 11, 2009.
  7. ^ "Attacks on Congress not new: Disgruntled policeman shot at Ohio senator at Capitol in 1947". The Enquirer. Retrieved 2022-06-01.
  8. ^ Yoder, Elizabeth (7 March 2016). "Behind the Scenes: Senate Subway Branch". Architect of the Capitol. Retrieved 1 August 2021.

External links

This page was last edited on 4 January 2023, at 21:27
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