Ronald Reagan Washington National Airport (formerly National Airport) is a Washington Metro station in Arlington, Virginia on the Blue and Yellow Lines. The station platform is elevated and covered and is the last above ground station on the Yellow Line in Virginia, heading into Washington, D.C. It is one of only two stations in the system to have three tracks (the other being West Falls Church). The station is located across Smith Boulevard from the B and C terminals at Ronald Reagan Washington National Airport (DCA); the airport shuttle bus carries people to and from Terminal A. The mezzanines are directly connected to the B and C terminals by pedestrian walkways to Level 2 (gate level).