Issue 25 | June 2021
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 and Design Updates
In May, crews continued construction activities along the corridor:

Area 1 West: Reston Avenue to Baron Cameron Avenue:
  • Noise barrier construction continued between Utterback Store Road and Great Passage Boulevard.
  • Crews installed storm sewer between Reston Avenue and Baron Cameron Avenue.
  • Backfilled curb and placed asphalt along westbound Route 7 between Reston Parkway and Utterback Store Road.
  • Performed grading between Utterback Store Road and Great Passage Boulevard.  

Area 1 East: Baron Cameron Avenue to Colvin Forest Drive:
  • Completed the tie-in of the Fairfax County Water Authority's 54" water main relocation between Colvin Forest Drive and Carpers Farm Way along eastbound Route 7. 

  • Continued earth-moving activities at the intersection of Route 7 and Baron Cameron Avenue.

  • Completed excavation for the retaining wall between eastbound Route 7 and the Colvin Run stream channel and commenced footing construction.  
  • Construction of the south half of the pedestrian underpass at Colvin Run Mill Park was ongoing. 

  • Backfilled curb and placed asphalt along westbound Route 7 between Middleton Ridge Road and Trotting Horse Lane.
  • Commenced water main distribution relocations near Towlston Road.
  • Installed, tested, and tied in the Fairfax County Water Authority's 54" water main relocation along eastbound Route 7 between Wolftrap Run Road and Lewinsville Road.
  • Placed cement-treated aggregate and base asphalt, and performed fine grading between Lewinsville Road and Old Ash Grove.
  • Began clearing for relocated Lewinsville Road.

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 a new retaining wall between Route 7 and Colvin Run is ongoing.

Crews install a new traffic signal arm at Utterback Store Road.
In Case You Missed It
The temporary closure of the Gerry Connolly Cross County Trail north of Route 7 near Colvin Run Mill Park between mile markers 3.2 and 3.8 has been postponed until further notice. Click here for more information.

Construction activities along Route 7 will be ongoing through the spring and summer months, and additional traffic changes will occur. 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. 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

Our crews are continuing to practice social distancing. If you have questions or concerns about the construction, please give them 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