ART System Map ART System Map (PDF, 741KB) Jump to an ART route page, for more info on that route. ART 41: Columbia Pike-Ballston-Court House ART 42: Ballston-Pentagon ART 43: Crystal City-Courthouse ART 45: Columbia Pike-DHS/Sequoia-Rosslyn ART 51: Ballston-Virginia Hospital Center ART 52: Ballston-Virginia Hospital-East Falls Church ART 53: Ballston Metro-Old Glebe-East Falls Church Metro ART 55: East Falls Church-Rosslyn ART 61: Rosslyn-Court House Metro Shuttle ART 62: Ballston Metro-Lorcom Lane-Court House Metro ART 72: Shirlington-Ballston-Rock Spring ART 74: Columbia Pike-Arlington Village/View-Pentagon City ART 75: Shirlington-Ballston-VA Square ART 77: Court House-Lyon Park-Shirlington ART 84: Douglas Park-Nauck-Pentagon City ART 87: Pentagon City Metro-Army Navy Drive-Shirlington ART Metrorail More Frequency (Wide line) buses every 20 minutes or less all day (Narrow line) more than 20 minutes between buses part of the day or all day ART 41Columbia Pike-Ballston-Court House ART 42Ballston-Pentagon ART 43Crystal City-Courthouse ART 45Columbia Pike-DHS/Sequoia-Rosslyn ART 51Ballston-Virginia Hospital Center ART 52Ballston-Virginia Hospital-East Falls Church ART 53Ballston Metro-Old Glebe-East Falls Church Metro ART 55East Falls Church-Rosslyn ART 61Rosslyn-Court House Metro Shuttle ART 62Ballston Metro-Lorcom Lane-Court House Metro ART 72Shirlington-Ballston-Rock Spring ART 74Columbia Pike-Arlington Village/View-Pentagon City ART 75Shirlington-Ballston-VA Square ART 77Court House-Lyon Park-Shirlington ART 84Douglas Park-Nauck-Pentagon City ART 87Pentagon City Metro-Army Navy Drive-Shirlington Orange Line Red Line Blue Line Yellow Line Green Line Silver Line Traffic Layer Commuter Stores One-stop shopping for schedules, fares, and information about transit options in the Washington DC Area. (More...) VRE Virginia Railway Express commuter trains between Washington DC, Manassas & Fredericksburg. (More...) Manassas Fredericksburg Zipcar Locations Own the trip, not the car. (More...) Slug-line Locations Slug lines are unofficial meeting places where commuters catch free rides with drivers who need additional riders to use high occupancy vehicle (HOV) lanes. (More...)