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The Washington Metro is the public transportation system of Washington DC and adjoining regions of Maryland and Virginia. It is owned and operated by the Washington Metropolitan Area Transit Authority (WMATA), a multijurisdictional agency funded by the District of Columbia, Maryland, and Virginia.

In the WMATA's terminology, both the Metrorail ( metro) and Metrobus ( bus) services are considered part of Metro; however, in common parlance, the expression "Washington metro" refers to Metrorail exclusively.

1 Metrorail network


Since opening in 1976, the subway has grown to five lines. It was designed with a spoke-hub distribution paradigm, which makes the subway ideal for getting from a suburb to any part of the city, or vice versa, but unattractive for suburb-to-suburb travel. It is also noteworthy as a system with a limited number of lines that nevertheless makes extensive use of interlining (running more than one line on the same track).

There are five lines:



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