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In Design

Fairfax County Parkway Widening

Route 29 to Route 123

Area Maps

Project at a Glance

Begin Date
Advertise for construction: Summer 2021

Est Completion Date
Late 2023

Upcoming Public Information Meeting

$188 million

Lengths and Limits
Rt 29 to Rt 123


Northern Virginia

Angel Tao, P.E.
Location & Design
Andrew Beacher, P.E.
Preliminary Engineering

Note: A public information meeting will be held Thursday, Dec. 7 from 6:30 to 8:30 p.m. at the VDOT Northern Virginia District Building, 4975 Alliance Drive, Fairfax, VA 22030. A presentation will begin at 7 p.m.

In the event of inclement weather, the meeting will be held Wednesday, Dec. 13.

About the Project

This project will widen Fairfax County Parkway (Route 286) from four lanes to six between Route 29 (Lee Highway) and Route 123 (Ox Road). It will also include an interchange that will consolidate Popes Head Road and/or the future Shirley Gate Road extension, improvements to the existing Fairfax County Parkway Trail, and a new shared-use path to fill in gaps along the existing trail. 

The interchange options are being studied, with the public having opportunities to weigh in before the design is finalized. The final design will not preclude future HOV lane additions or conversion.

Surveying: Completed June 2017
Interchange options development: Began summer 2017
Public information meeting: Dec. 7, 2017
Public information meeting comment period end: Dec. 17, 2017
Design public hearing: Fall 2018
Design approval: Late 2018/Early 2019
Begin right of way acquisition: Spring 2019
Advertise for construction: Summer 2021
Estimated construction completion: Late 2023

Estimated Costs
Preliminary engineering (fully funded by Fairfax County and the Northern Virginia Transportation Authority): $11 million
Right of way acquisition and utility relocation (partially funded by NVTA): $32 million
Construction (not funded): $145 million
Total: $188 million


Fairfax County Department of Transportation Concept Plans (June 2013)
Fairfax County Parkway & Franconia-Springfield Parkway Corridor Study

Project Numbers
State: 0286-029-259, P101
UPC: 107937

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Page last modified: Nov. 13, 2017