Sully Road (Virginia)

Sully Road (Virginia)
Name	Sully Road
State	Virginia
Maint	Virginia Department of Transportation
Length mi	7.3
Direction a	West
Terminus a	Dulles International Airport
Direction b	East
Terminus b	Centreville
Counties	Fairfax County

Contents

Sully Road (Virginia) is a primary arterial in Fairfax County connecting Dulles International Airport area corridors to the suburban centers of Chantilly, Centreville, and Herndon near the Washington, D.C. metropolitan area. The roadway functions as a key link among regional facilities such as Dulles Toll Road, Interstate 66, U.S. Route 50, and commuter hubs including Westfields and Fair Oaks Mall. It carries state route designation and serves commercial, residential, and institutional access for entities like Dulles Expo Center, Fairfax County Public Schools, and federal installations in the region.

Route description

Sully Road begins near the access to Dulles International Airport and proceeds eastward through intersections with U.S. Route 50, State Route 28, and interchanges with Interstate 66 before terminating near Centreville. Along its alignment the road passes proximate to airport facilities, Sully Plantation, and commercial districts adjacent to Westfields and Fair Oaks Mall. The roadway transitions between multi-lane divided sections and urban arterial segments servicing connections to Chantilly Regional Library, Fairfax County Government Center, and several Virginia Railway Express park-and-ride facilities. Traffic control at major junctions is coordinated with Fairfax County Police Department and Virginia Department of Transportation operations centers.

Sully Road follows historic corridors that predate the Civil War era, with nearby sites such as Sully Plantation reflecting antebellum land use; the modern alignment was developed amid mid-20th century suburbanization driven by growth in Washington, D.C. and the postwar expansion associated with Dulles International Airport. Road improvements accelerated following the construction of Interstate 66 and the rise of technology and federal contracting firms in Herndon and Reston, prompting coordinated projects with Northern Virginia Transportation Authority and Virginia Department of Transportation. Subsequent reconstruction phases corresponded with regional plans tied to Metrorail Silver Line extensions and traffic mitigation efforts advocated by Fairfax County Board of Supervisors and civic groups like Chantilly Historic Preservation Commission.

Major intersections include grade-separated and signalized junctions with Dulles Toll Road, State Route 28 at the Route 28 interchange, U.S. Route 50 near Centreville, and ramps serving Interstate 66 and local collectors toward Herndon and Reston. Other notable cross streets provide access to Fair Oaks Mall, Westfields, Dulles Expo Center, and commuter facilities operated by Virginia Railway Express and WMATA. Coordination of signal timing has involved agencies including Metropolitan Washington Council of Governments and Northern Virginia Transportation Commission.

Traffic volumes on Sully Road reflect commuter flows between Loudoun County suburbs, Reston employment centers, and the Dulles International Airport complex; peak-hour congestion occurs at junctions with State Route 28 and U.S. Route 50. Safety initiatives have been promoted by Fairfax County Police Department, Virginia Department of Motor Vehicles, and Virginia Department of Transportation, including signal upgrades, turn-lane additions, and corridor studies commissioned by Northern Virginia Transportation Authority. Crash data have been reviewed in coordination with George Mason University traffic researchers and community groups such as Chantilly Citizens Association to prioritize improvements like median modifications and pedestrian crossings.

Public transit services along and near Sully Road include bus routes operated by Fairfax Connector, regional express services tied to Virginia Railway Express stations, and feeder shuttles connecting to Metrorail Silver Line stations. Park-and-ride lots serve commuters traveling to Rosslyn and Washington, D.C.. Bicycle infrastructure efforts by Fairfax County Department of Transportation and advocacy organizations like Washington Area Bicyclist Association have pursued on-road bike lanes, shared-use paths, and connections to the Washington & Old Dominion Railroad Regional Park and local trails linking Sully Historic Site and neighborhood networks.

Sully Road traverses or borders communities including Chantilly, Centreville, Herndon, and Reston, and provides access to landmarks and institutions such as Sully Plantation, Fairfax County Government Center, Dulles International Airport, Fair Oaks Mall, Westfields, Dulles Expo Center, and nearby parks like Ellanor C. Lawrence Park. The corridor influences land use patterns near corporate campuses for firms tied to defense contracting and information technology, with planning input from entities such as Fairfax County Board of Supervisors, Northern Virginia Transportation Authority, and local civic associations.