L'Enfant Plaza is a Washington Metro station in the Southwest Federal Center neighborhood of Washington, D.C., United States. The station was opened on July 1, 1977, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). It is a transfer station, with two levels: the upper level has two side platforms and is used by the Green and Yellow Lines, while the lower level has an island platform used by the Blue, Orange, and Silver Lines. It is also where the Yellow and Green lines converge going north.