Washington County, Maryland Washington County, Maryland Washington County is located in the western part of the U.S. state of Maryland. As of the 2010 census, the population was 147,430. Its county seat is Hagerstown. Washington County was the first county in the United States to be named for the Revolutionary War general (and later President) George Washington. Washington County is one of three Maryland counties recognized by the Appalachian Regional Commission as being part of Appalachia. The county borders southern Pennsylvania to the north, Northern Virginia to the south, and the Eastern Panhandle of West Virginia to the south and west. Washington County
Maryland Route 214 MD 214 is a part of the National Highway System as an intermodal connector between the Addison Road Metro station and the Capital Beltway. The highway is a National Highway System principal arterial from Southern Avenue to the Addison Road Metro station, from the Capital Beltway to US 301, and from Vicksburg Road near Davidsonville to Shoreham Beach Road in Beverley Beach. Central Avenue from Washington east to Edgewater was planned as one of the original state roads laid out by the Maryland State Roads Commission in 1909. This road followed most of MD 214's present alignment from Capitol Heights