Arlington Transit (ART) is a bus transit system that operates in Arlington County, Virginia, and is managed by the county government. The bus system provides service within Arlington County, and connects to Metrobus, nearby Metrorail stations, Virginia Railway Express, and other local bus systems. Most ART routes serve to connect county neighborhoods to local Metrorail stations, as well as the Shirlington Bus Station. It includes part of the Pike Ride service along Columbia Pike, which is shared with WMATA. In 2023, the system had a ridership of 2,258,200, or about 8,100 per weekday as of the fourth quarter of 2023.

Pentagon station is a split platform station on the Washington Metro located adjacent to The Pentagon in Arlington, Virginia. The station was opened on July 1, 1977, and is operated by the Washington Metropolitan Area Transit Authority. Providing service for both the Blue and Yellow Lines, the station is where the two lines diverge and thus acts as a transfer point. Northbound, both lines rise above ground, with the Blue Line serving the Arlington Cemetery station, and the Yellow Line crossing the Potomac River into the District of Columbia.