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Braddock Road and Pleasant Valley Road

Roundabout in western Fairfax County

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Project at a Glance

Begin Date
Advertise Design/Build 2014

Approx. $4 million total


Northern Virginia

Amir Salahshoor, P.E.
Leonard "Bud" Siegel, P.E.

About the Project

This design/build project would construct a roundabout at the intersection of Braddock Road (Route 620) and Pleasant Valley Road (Route 609) in Fairfax County.

As of 2012, about 7500 vehicles per day travelled this section of Braddock Road and about 8500 travelled along Pleasant Valley Road.

The roundabout will provide additional capacity for forecasted traffic volumes and improve safety by eliminating the potential for turn/angle crashes at the intersection. It will also enhance pedestrian access for residents in the area.

The new roundabout includes crosswalk sand curb ramps for pedestrians, landscaping and lighting. The sidewalk will be tied into the existing trail along the east side of Pleasant Valley Road south of the intersection.


The intersection is currently a four-way stop, with a single lane in each direction. 

During weekday peak hours, the intersection experiences substantial congestion, operating at full capacity with extensive backups on Braddock Road eastbound in the mornings and westbound in the evenings. The congestion results in severe delays, causing the intersection to operate at a service level of “F” (failing) during peak periods.

Designs for improvements here must take into account parkland, commercial property, an Agricultural-Forestal District, wetlands, rare habitats, and significant overhead utility poles. Taking these constraints into consideration, VDOT, in cooperation with Fairfax County, is preparing preliminary plans.


Traffic Operations Analysis (Jan. 2013)
Design Public Hearing Brochure and Exhibit (Oct. 2013)
Section 4(f); De Minimis Concurrence FCPA (Oct. 2013)
Final Traffic Alternatives
Traffic Data Boards
Categorical Exclusion (CE)
Documentation of FHWA Review
Waters of the U.S. Boundary Delineation Report
DCR Conservation Areas with Conceptual Baseline Overlay
USACE Preliminary Jurisdictional Determination
Waters of the U.S. Boundary Delineation Map with Conceptual Baseline Overlay



UPC: 103318  State Project: 0620-029-017,P101  Federal Project: STP-5A01(382)

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Page last modified: Jan. 10, 2014