The Washington Metro is a rapid transit system that serves the area of the city of Washington D.C., United States. The Washington Metro began operation in 1976. The network consists of 6 lines and a total of 91 stations.
Red Line (Shady Grove - Glenmont)
Blue Line (Franconia–Springfield - Largo Town Center)
Orange Line (Vienna - New Carrollton)
Yellow Line (Huntington - Fort Totten)
Green Line (Branch Ave - Greenbelt)
Silver Line (Wiehle – Reston East - Largo Town Center)