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
Washington County, Maryland age 18 and 9.50% of those age 65 or over. According to the Maryland Department of Business and Economic Development, the following were the major employers in the county (excluding post offices, state government, and local governments, but including public institutions of higher education): Washington County Public Schools administers public schools in the county. See "Washington County Public Schools – School Directory" for a detailed listing of elementary, middle, high, and other schools. Public high schools Private high schools Washington County, Maryland Washington County is located in the western part of the U.S. state of Maryland. As of the 2010