Arlington County, or simply Arlington, is a county in the U.S. state of Virginia. The county is located in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., the national capital.
Rosslyn is a heavily urbanized unincorporated area in Northern Virginia located in the northeastern corner of Arlington County, Virginia, north of Arlington National Cemetery and directly across the Potomac River from Georgetown and Foggy Bottom in Washington, D.C.
Court House station is an island platformed Washington Metro station in the Courthouse neighborhood of Arlington County, Virginia. The station was opened on December 1, 1979, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). Weekday ridership is approximately 7,000 passengers per day. The station serves the Orange and Silver Lines.
Rosslyn station is the westernmost station on the shared segment of the Blue, Orange, and Silver lines of the Washington Metro. It is located in the Rosslyn neighborhood of Arlington County, Virginia. Rosslyn is the first station in Virginia heading westward from Washington, D.C. on the Orange and Silver Lines and southward on the Blue Line. It is one of four interchange points on the Metrorail system west of the Potomac River and located in a growing business district.
Ballston is a neighborhood in Arlington County, Virginia. Ballston is located at the western end of the Rosslyn-Ballston corridor. It is a major transportation hub and has one of the nation's highest concentrations of scientific research institutes and research and development agencies, including DARPA, the Office of Naval Research, the Advanced Research Institute of Virginia Tech, the Air Force Research Laboratory, and engineering, management, and public sector consulting firms. Ballston also includes a section known as Virginia Square and sometimes the area is collectively known as Ballston-Virginia Square.
Clarendon is an urbanized, developed neighborhood in Arlington County, Virginia, located between the Rosslyn area and the Ballston area. It was named after Edward Hyde, 1st Earl of Clarendon, a leading statesman and historian of the English Civil War. The main thoroughfares are Wilson Boulevard and Clarendon Boulevard.
Pentagon City is an unincorporated neighborhood located in the southeast portion of Arlington County, Virginia. It is located near The Pentagon and Arlington National Cemetery.
Virginia State Route 110 (SR 110) is a primary state highway in Arlington, Virginia. Known as the Richmond Highway, the state highway runs 2.41 miles (3.88 km) from U.S. Route 1 (US 1) and Interstate 395 (I-395) in Crystal City north to I-66 in the Rosslyn neighborhood. SR 110 is a four- to six-lane freeway that parallels the Potomac River, providing a connection between several of Arlington's urban villages and major landmarks, including the Pentagon, which is the headquarters of the United States Department of Defense, and the grounds of Arlington National Cemetery. The highway also provides access to SR 27, an east–west freeway between the Pentagon and the cemetery, and the George Washington Parkway that parallels the Potomac River. SR 110 is a part of the National Highway System for its entire length.
Fairlington is an unincorporated neighborhood in Arlington County, Virginia, located adjacent to Shirlington in the southernmost part of the county on the boundary with the City of Alexandria. The main thoroughfares are Interstate 395, which divides the neighborhood into North and South Fairlington, State Route 7 and State Route 402.
The Northern Virginia trolleys were the network of electric streetcars that moved people around the Northern Virginia suburbs of Washington, D.C., from 1892 to 1941. They consisted of six lines operated by up to three companies connecting Rosslyn, Great Falls, Bluemont, Mount Vernon, Fairfax, Camp Humphries, and Nauck across the Potomac River to Washington, D.C.
Westover is a neighborhood in Arlington County, Virginia, The neighborhood has been named to the National Register of Historic Places. It is centered on Washington Boulevard between North McKinley Road and North Longfellow Street.
Lyon Village is a neighborhood and urban village in Arlington County, Virginia, along Langston Boulevard. It adjoins Arlington County's government center, and is approximately one mile west of Rosslyn and less than a mile north of Clarendon, of which it is sometimes considered a sub-neighborhood, as is Cherrydale, the mostly residential district immediately west of Lyon Village.
State Route 237 is a primary state highway in the U.S. state of Virginia. The state highway runs 13.07 miles (21.03 km) from SR 236 in Fairfax east to U.S. Route 50 in Arlington. SR 237 connects Fairfax and Arlington with Falls Church. Between Fairfax and Falls Church, the state highway mostly runs concurrently with US 29. East of Falls Church, SR 237 parallels Interstate 66 (I-66) and connects several of Arlington's urban villages.
The Arlington Line was a series of fortifications that the Union Army erected in Alexandria County, Virginia, to protect the City of Washington during the American Civil War.
Fort Woodbury was part of the Arlington Line, an extensive network of fortifications erected in present-day Arlington County, Virginia to protect Washington, D.C. from Confederate attack during the American Civil War. Construction began on the Arlington Line in May 1861, shortly after war broke out, and accelerated after the Union's defeat at the First Battle of Bull Run in July 1861.
Arlington Ridge is a neighborhood in Arlington County, Virginia. It is bordered on the north by The Pentagon, on the west by the Army Navy Country Club, and on the south the Alexandria. The main thoroughfare is the eponymous Arlington Ridge Road, a mansion-lined boulevard that, due to its high elevation, offers views of Washington, D.C., and the surrounding areas.
Arlington Ridge Road is a street through residential areas and business districts in Arlington County, Virginia in the United States. South Arlington Ridge Road is roughly 1.5 miles in length and extends from Prospect Hill Park/Army-Navy Drive in the north to Glebe Road and Four Mile Run creek in the south. As it crosses the creek it turns into Mount Vernon Avenue. Arlington Ridge Road was first constructed in 1840, and formerly extended north through Arlington National Cemetery to Rosslyn, Virginia near Francis Scott Key Bridge and the Potomac River.
Nauck is a neighborhood in the southern part of Arlington County, Virginia, known locally as Green Valley. It is bordered by Four Mile Run and Shirlington to the south, Douglas Park to the west, I-395 to the east, and Columbia Heights and the Army-Navy Country Club to the north. The southeastern corner of the neighborhood borders the City of Alexandria.
The Columbia Pike–Farragut Square Line, designated Route 16Y, is a rush hour-only MetroExtra bus route operated by the Washington Metropolitan Area Transit Authority between the neighborhood of Barcroft and McPherson Square station of the Blue, Orange, and Silver lines of the Washington Metro. This line is part of the Pike Ride service, which runs through Columbia Pike. This line provides service to Barcroft in Arlington County, Virginia and McPherson Square in Washington, D.C.
United States of America 
Virginia 
Arlington 
