U.S. Route 1 in Arlington County, Virginia

U.S. Route 1 in Arlington County, Virginia
State	VA
Route	U.S. Route 1
Type	US
County	Arlington County
Direction a	South
Direction b	North

Contents

U.S. Route 1 in Arlington County, Virginia U.S. Route 1 traverses Arlington County, Virginia as a principal arterial connecting Alexandria, Virginia and Washington, D.C. through dense commercial and residential corridors near Crystal City, Virginia, Rosslyn, Virginia, and the Pentagon. The alignment serves as part of a multi-jurisdictional corridor shared historically with U.S. Route 1 Alternate and adjacently parallels Interstate 395, providing access to federal landmarks such as the United States Capitol, National Mall, and the Lincoln Memorial via urban surface streets and interchanges.

Route description

U.S. Route 1 enters Arlington County from Alexandria, Virginia near the Potomac River crossing and follows a northerly alignment along Jefferson Davis Highway and portions of Richmond Highway before transitioning to local names approaching Crystal City, Virginia and Pentagon City. The corridor intersects major arteries including State Route 120 (Glebe Road), State Route 244 (Columbia Pike), and the George Washington Memorial Parkway feeder network, linking with the Key Bridge approach to Georgetown, Washington, D.C. and the Arlington Memorial Bridge. Adjacent urban fabric includes Arlington National Cemetery, United States Air Force Memorial, Reagan National Airport, and mixed-use developments anchored by Amazon operations in NOVA-area office clusters. The route provides multimodal frontage for institutions such as George Mason University (Arlington campus), Northern Virginia Community College, and cultural sites including the Artisphere campus near Rosslyn.

The alignment through Arlington traces roots to colonial-era roads connecting Mount Vernon with early Washington settlements and later to the 20th-century auto trail movement linking Richmond, Virginia with Philadelphia, Pennsylvania and Boston, Massachusetts along the original U.S. Highway system. During the New Deal era and wartime mobilization for World War II, improvements were coordinated with the Defense Highway System to serve the Pentagon and Arlington National Cemetery access. Postwar suburbanization tied to Interstate Highway System construction, notably Interstate 95 and I-395, shifted long-distance traffic while U.S. Route 1 retained local and commuter functions. Redevelopment initiatives associated with Rosslyn-Ballston corridor planning, Crystal City redevelopment, and federal base realignment initiatives like Base Realignment and Closure influenced lane reconfigurations, streetscape projects, and multimodal integration. Recent decades saw coordination among Arlington County Board, Virginia Department of Transportation, and the National Capital Region Transportation Planning Board to manage demand, safety, and placemaking along the corridor.

The route's principal junctions within Arlington include intersections with U.S. Route 50, connections to Interstate 395 via the 14th Street Bridge complex approaches, junctions with State Route 244 (Virginia), State Route 120 (Virginia), and linkages to the George Washington Memorial Parkway and the T. C. Williams High School (Alexandria)-area arterials. Key interchange nodes serve access to Ronald Reagan Washington National Airport, the Pentagon Reservation, and transit hubs for Virginia Railway Express, Washington Metro, and commuter bus corridors. The corridor interfaces with regional thoroughfares serving McLean, Virginia, Falls Church, Virginia, and the District of Columbia boundary at 14th Street bridge approaches.

U.S. Route 1 functions as an intermodal spine connecting Washington Metro stations on the Blue Line and Yellow Line at Pentagon Station, Crystal City Station, and National Airport Station, as well as the Orange Line and Silver Line access via transfer points in the Rosslyn station complex. Surface transit includes Metrobus routes, Arlington Transit (ART), and express commuter services linking to Union Station (Washington, D.C.) and Shenandoah Valley park-and-ride facilities. Freight and passenger rail integration occurs near Amtrak and Virginia Railway Express corridors at intermodal transfer points coordinated by the National Capital Region Transportation Planning Board and the Federal Transit Administration funding programs. Bicycle and pedestrian investments link to the Mount Vernon Trail, Custis Trail, and local greenways managed by Arlington County Parks and Recreation.

Planned and proposed projects affecting the corridor include multimodal street redesigns promoted by Arlington County Board strategic plans, state-led resurfacing and safety projects coordinated by the Virginia Department of Transportation, and transit-oriented development initiatives tied to Amazon HQ2-related investments and Pentagon City Sector Plan updates. Regional planning exercises by the Metropolitan Washington Council of Governments and Transportation Planning Board consider congestion pricing scenarios associated with I-395 Express Lanes impacts, bus rapid transit corridors linking to Priority Bus Network recommendations, and resiliency upgrades to address stormwater and flood risk near the Potomac River. Potential federal investments could arise through programs administered by the U.S. Department of Transportation and discretionary grants under the Infrastructure Investment and Jobs Act, supporting pedestrian safety, transit signal priority, and curb management strategies coordinated with Arlington Economic Development and private developers in Crystal City, PenPlace, and Long Bridge Park environs.