Capital Rail Constructors, a joint venture of Clark Construction Group, LLC, and Kiewit Infrastructure South Co., is leading the design-build effort for Phase 2 of the Silver Line project. Phase 2 will extend the Silver Line 11.5 miles west from the Wiehle-Reston East Station into Loudoun County, Va. This project includes the design and construction of six stations:

  • Reston Town Center
  • Herndon
  • Innovation Center
  • Dulles Airport
  • Loudoun Gateway
  • Ashburn

Additional Information 

For additional information about the Dulles Corridor Metrorail Project, please visit the Metropolitan Washington Airports Authority’s project website:

Construction Hotline

If you have questions or concerns regarding construction activity on Phase 2 of the Dulles Corridor Metrorail Project, please call our CONSTRUCTION HOTLINE: 1-844-385-RAIL.

The hotline is open 24 hours/day, 7 days/week.

Contact  Us

To contact Capital Rail Constructors, email:

You also may reach us by mail:
Capital Rail Constructors
44834 Rudder Road
Sterling, VA 20166

For Accounts Payable, email: spacespace