Issue 34 | March 2022
Along about seven miles of Route 7, we're adding a third lane and shared-use paths in each direction, building a pedestrian underpass to access Colvin Run Mill Park, replacing and raising the bridge over Difficult Run, and making many intersection, bicycle and pedestrian improvements. Learn more.
Construction Updates
In February, crews continued construction activities along the corridor:

Area 1 West: Reston Avenue to Baron Cameron Avenue
  • Started construction of the concrete curb along the Route 7 median between Reston Avenue and Baron Cameron Avenue.
  • Storm sewer installation west of Baron Cameron Avenue continued.

Area 1 East: Baron Cameron Avenue to Carpers Farm Way
  • Continued panel installation for the noise barrier along westbound Route 7 between Colvin Run Road (east) and Colvin Run Road (west).
  • Started excavation for the northern half of the pedestrian underpass at Colvin Run Mill Park.  
  • Continued storm sewer installation for Stage 3A between Baron Cameron Avenue and Colvin Forest Drive.

  • Continued storm sewer installation for Stage 2A west of Baron Cameron Avenue.

  • Continued construction of foundations for the piers and western abutment of the eastbound Route 7 bridge over Difficult Run, including the completion of the drilled shaft installation for Pier 1 and the excavation for Pier 2.

  • Continued grading and began placement of cement-treated aggregate and base asphalt for Stage 3B between Lewinsville Road and Jarrett Valley Drive.
  • Continued drilling for noise barrier foundations along eastbound Route 7 near Serenity Woods Lane.  
  • Started work on the 48" storm pipe crossing beneath Route 7 on the east side of McLean Bible Church.

Third-party utility design and relocation activities are also ongoing.  

Click here to learn more on the design and construction schedule, environmental efforts, right of way, noise walls and other project details.
Traffic on Route 7 has been shifted for construction of the pedestrian underpass at Colvin Run Mill Park.
A steel support structure protects communication lines along westbound Route 7 near the pedestrian underpass.
2022 National Work Zone Awareness Week
National Work Zone Awareness Week is April 11-15, 2022. We appreciate the community's patience while we work to build the improvements along Route 7 and encourage drivers to slow down and be alert to the construction activities. Click here for more information about the importance of safety in work zones along the road and learn more about the signs that will help keep you and our Route 7 team members safe while you're on the road.
Route 7 Corridor Improvements Virtual Construction Update
Join us on Tuesday, April 19 at 7 p.m. for a virtual update on the Route 7 Corridor Improvements and an overview of the two-phase opening of the new Lewinsville Road intersection, including a displaced left-turn from eastbound Route 7 to Lewinsville Road later this spring. Click here for details and to register for the meeting.
In Case You Missed It
Construction activities along Route 7 will continue in 2022, and additional traffic shifts and temporary detours will occur along Route 7. Please see the project website for information on upcoming lane shifts and other roadway impacts.

As a reminder, please refrain from walking through work areas with equipment, materials and ongoing construction activities, including the newly-paved shared-use paths along Route 7. If you have questions regarding work areas, please contact us at or 833-777-7411.

Click here for the latest updates on the Washington Gas work that is ongoing along Route 7. For more information on the Washington Gas work, please contact Jeff Hicks,
Thanks for Giving Our Crews S P A C E

If you have questions or concerns about the construction, please give our crews the space they need to work, and call or email us instead of approaching the work site.


Need to Know More?
You can check out photos and project progress on our website at Click News & Updates.

Planned lane closures for the following week are posted each Friday.
Sign Up for Traffic Alerts on Virginia 511
Don't forget you can get the latest on work zones, accidents and other incidents by visiting, using the Virginia 511 app, or by calling 511 from any phone in Virginia. Visit the site or app to create and configure your account for alerts.

You can also check out updates for major incidents @511northernvirginia on Twitter.
Call: 833-777-7411