Yellow Line (Washington Metro)

The Yellow Line is a rapid transit line of the Washington Metro system that runs between Huntington in Virginia and Mount Vernon Square in Washington, D.C. or Greenbelt in Maryland. It consists of 22 stations in Fairfax County, the city of Alexandria, Arlington County in Virginia, Washington, D.C., and Prince George's County, Maryland.

The Yellow Line shares track with the Blue Line between King Street–Old Town and Pentagon and the Green Line between L'Enfant Plaza and Greenbelt. It has only two stations that are not shared by any other lines (Huntington and Eisenhower Avenue) and only two sections of track that are not shared by any other lines – the section south of King Street–Old Town and the section between Pentagon and L'Enfant Plaza, crossing the Potomac River.

On weekdays, trains run every 6 minutes until 9:30PM and every 7.5 minutes afterward. On weekends, trains run every 8 minutes.