Pentagon City is a Washington Metro station in the Pentagon City neighborhood of Arlington, Virginia on the Blue and Yellow Lines. The station is located at Hayes Street between Army-Navy Drive and South 15th Street. It links to a tunnel that allows direct access west into the Fashion Centre at Pentagon City, a large shopping mall, and east under Hayes Street to an entrance outside Pentagon Centre, a shopping complex that includes Best Buy and Costco Wholesale. Service began on July 1, 1977.