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 (WMATA). Providing service for the Blue, Orange, and Silver Lines, the station's entrance is beneath the William Jefferson Clinton Federal Building. On January 13, 1982, an eastbound Metro train on the Orange Line derailed just east of the station resulting in three fatalities, the first fatalities in the system's history.The station opened on July 1, 1977. Its opening coincided with the completion of 11.8mi 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.