Arlington Ridge Road

Arlington Ridge Road (originally known as Mount Vernon Avenue) 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.

Arlington Ridge Road was a single street from 1840 to 1966. After the closure of the central portion of the road, two sections were created: South Arlington Ridge Road, and North Arlington Ridge Road. The northern road began at Lee Boulevard (now known as Arlington Boulevard) and proceeded north along what is now Wilson Boulevard to 19th Street North. It incorporated a portion of what was informally known as Oil Plant Road (also known as "Oil Road"). North Arlington Ridge Road was eliminated in the early 1960s when interchanges and connections for the Theodore Roosevelt Bridge were constructed.

At the time of European encounter, the inhabitants of the area that became Arlington County were the Doeg, an Algonquian-speaking sub-group of the Powhatan tribal confederation. Colonists from England usurped Native American title to the land, and began creating their own political divisions on the area in the 1600s. York County, Virginia, was created by the Virginia General Assembly in 1634, displacing Native American claims to the land.Northumberland County was carved out of York County in 1648,Westmoreland County from Northumberland County in 1653,Stafford County, Virginia from Westmoreland County in 1664,Prince William County out of Stafford County (and a portion of King George County) in 1731, and Fairfax County in 1742 from Prince William County.

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