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Improving Access to Dulles Airport
link to larger map of location study corridorsWestern Dulles Access Study
On May 20, 2015, the findings and recommendations of the Western Dulles Access Traffic Study were presented to the Loudoun County Board of Supervisors. The study provides an independent evaluation of the Virginia Department of Transportation’s (VDOT) Dulles Air Cargo, Passenger and Metro Access Highway Study

The item prepared for the meeting, which includes the study, and the presentation made to the Board, are online: 


Board Approves Consultant to Model Set of Scenarios
On Wednesday, June 18, 2014, the Loudoun County Board of Supervisors directed staff to engage the services of a consultant to model a set of scenarios for the proposed Dulles Air Cargo, Passenger and Metro Access Highway. The item prepared for the meeting is online:

Board Holds Public Input Session
The Loudoun County Board of Supervisors held a public input session on the proposed Dulles Air Cargo, Passenger and Metro Access Highway on June 2, 2014. More than 300 people attended with at least 50 people providing comments directly to the Board. The webcast of the meeting, the presentation given by county staff, a handout with answers to frequently asked questions, and the packet prepared for the meeting are online. 


The Virginia Department of Transportation is exploring options for a limited-access roadway to the west of Dulles Airport. The purpose of the project is to enhance the movement of people, passenger services and air cargo traffic to Dulles Airport and the planned Phase 2 extension of the Metrorail Silver Line. The proposed project is intended to reduce congestion and improve capacity on the existing roadway network in the Dulles South area.  

VDOT is conducting an environmental study of a proposed Dulles Air Cargo, Passenger and Metro Access Highway that would extend from the interchange of the planned Tri-County Parkway (VA Route 411) and John Mosby Highway (US Route 50) to a future airport road for access to Washington Dulles International Airport.  The revised Environmental Assessment dated April 2014 is online here

VDOT made a presentation to the Board of Supervisors on February 19, 2014. The presentation is online:


Countywide Transportation Plan

The Loudoun County Countywide Transportation Plan (CTP) will play an important role in the Board's deliberations on this matter. The CTP is online:

  • Loudoun County Countywide Transportation Plan

  • Loudoun On
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