Federal Triangle station

Federal Triangle is an island-platformed Washington Metro station in Downtown Washington, D.C., United States. The station was opened on July 1, 1977, and is operated by the Washington Metropolitan Area Transit Authority . Providing service for the Blue, Orange, and Silver Lines, the station's entrance is beneath the William Jefferson Clinton Federal Building.

The station opened on July 1, 1977. Its opening coincided with the completion of 11.8 miles of rail between National Airport and RFK Stadium and the opening of the Arlington Cemetery, Capitol South, Crystal City, Eastern Market, Farragut West, Federal Center SW, Foggy Bottom–GWU, L'Enfant Plaza, McPherson Square, National Airport, Pentagon, Pentagon City, Potomac Avenue, Rosslyn, Smithsonian, and Stadium–Armory stations. Orange Line service to the station began upon the line's opening on November 20, 1978. Silver Line service at Federal Triangle began on July 26, 2014.

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