Greenbelt, Maryland in a north-south direction, running parallel to the B–W Parkway, providing an alternate travel route into Washington, D.C., from Greenbelt. The southernmost Maryland portion of Kenilworth Avenue forms a major interchange with both the B–W Parkway and US 50 near the Maryland–D.C. line, and continues into Washington, as the Kenilworth Avenue Freeway (DC 295). Washington Metro′s rapid transit rail system serves Washington, D.C., and neighboring communities in Maryland and Northern Virginia, by operating 91 Metro stations, which includes the Greenbelt station, the northern terminus of Metro′s Green Line. Commuter rail service to the station is provided by MARC Train′s Camden
Frederick, Maryland and promoting the benefits of these systems. Frederick, Maryland Frederick is a city in, and the county seat of, Frederick County in the U.S. state of Maryland. It is part of the Baltimore–Washington Metropolitan Area. Frederick has long been an important crossroads, located at the intersection of a major north–south Indian trail and east–west routes to the Chesapeake Bay, both at Baltimore and what became Washington, D.C. and across the Appalachian mountains to the Ohio River watershed. It is a part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, which is part of a greater Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area. The