Issue 35 | April 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 March, crews continued construction activities along the corridor:

Area 1 West: Reston Avenue to Baron Cameron Avenue
  • Continued construction of the concrete curb along the Route 7 median between Reston Avenue and Baron Cameron Avenue.

Area 1 East: Baron Cameron Avenue to Carpers Farm Way
  • Completed drilling for noise barrier foundations along westbound Route 7 between Springvale Road and Colvin Run Road (west).
  • Began drilling for noise barrier foundations along eastbound Route 7 between Baron Cameron Avenue and Delta Glen Court.
  • Completed 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 installation of pavement for Stage 3A between Baron Cameron Avenue and Colvin Forest Drive.

  • Storm sewer installation continued.
  • Grading and stone placement for temporary asphalt began.

  • Continued construction of the eastbound Route 7 bridge over Difficult Run.
  • Storm sewer installation for Stage 2A commenced between Carpers Farm Drive and Difficult Run. 
  • Completed noise barrier panel installation along eastbound Route 7 between Difficult Run and Serenity Woods Lane.  

  • Began storm sewer installation and continued earth-moving activities for the upcoming displaced left-turn lane at Lewinsville Road.  
  • Continued drilling for noise barrier foundations and post and panel installation along eastbound Route 7 near Middleton Ridge Road, and along westbound Route 7 near Towlston Road.
  • Continued work on the 48" storm pipe crossing beneath Route 7 on the east side of McLean Bible Church.
  • Completed rough grading for the stormwater management pond east 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.
Construction of the new eastbound Route 7 bridge over Difficult Run continues.
Join us on April 19 at 7 p.m. for the Route 7 Corridor Improvements Virtual Construction Update
On Tuesday, April 19 at 7 p.m., the Route 7 team will host a virtual construction update meeting, including an overview of the two-phase opening of the new Lewinsville Road intersection. Improvements in this area will include a displaced left-turn from eastbound Route 7 to Lewinsville Road opening 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