King Street–Old Town is an island platformed Washington Metro station in Alexandria, Virginia, United States. The station opened on December 17, 1983, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). Providing service for both the Blue and Yellow Lines, this is the southernmost transfer station for the Blue and Yellow lines, as the two lines converge just south of the station. During inclement weather, Crystal City is commonly used as an unofficial transfer point, being the southernmost underground station common to both lines. King Street was originally served only by the Yellow Line, until the Blue Line was extended from National Airport to Van Dorn Street in 1991.The station is located at King Street and Commonwealth Avenue. Entrances to the station are located on King Street and on the Diagonal Road side of the station. The station is above ground, and access to the platform is provided by one pair of escalators, one staircase, and one elevator. King Street is the second fastest growing station on the Washington Metro (behind Gallery Place). Over the past ten years, its ridership has increased 11%.
