Metrobus is the Washington, D.C. area's regional bus system. Within Arlington, Metrobus is supplemented by ART-Arlington Transit to provide bus service throughout the County.
Metrobus Route 3 A,B,E operates on Lee Highway between Rosslyn and East Falls Church Metro stations in Arlington, providing service to the many shopping areas along Lee Highway. 3E operates only between the Metro stations. 3A continues southwest on Annandale Road to Annandale. 3B continues west to West Falls Church-VT/UVA Metro station. Also see Metrobus 3Y Lee Highway-Farragut Square.