Issue 26 | July 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 June, crews continued construction activities along the corridor:

Area 1 West: Reston Avenue to Baron Cameron Avenue:
  • Noise barrier panel installation commenced along westbound Route 7 between Utterback Store Road and Great Passage Boulevard.
  • Completed drilling for noise barrier posts along eastbound Route 7 between Colvin Forest Drive and Serenity Woods Lane.
  • Crews installed storm sewer between Reston Avenue and Great Passage Boulevard.
  • Performed grading, placed cement-treated aggregate and asphalt, and installed curb along westbound Route 7 between Baron Cameron Avenue and Amanda Drive. 

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

  • Continued construction of the retaining wall between eastbound Route 7 and the Colvin Run stream channel.
  • Began excavation of the new Difficult Run bridge foundation and the abutment on the east side of the bridge.

  • Installed the outfall structure in the stormwater management pond near Towlston Road.
  • Continued water main distribution relocations between Towlston Road and Lewinsville Road.
  • Completed placement of cement-treated aggregate, curb stone, and asphalt between Lewinsville Road and Old Ash Grove for upcoming traffic shift.

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.

Crews install erosion and sediment controls on the perimeter of the construction area.

A rebar cage is placed in the drilled shaft for a noise barrier foundation in preparation for concrete.
In Case You Missed It
The Gerry Connolly Cross County Trail north of Route 7 near Colvin Run Mill Park will be temporarily closed between mile markers 3.2 and 3.8 from July 19 to August 9. Click here for more information.

Construction activities along Route 7 will be ongoing through the summer and fall 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