Dulles Metrorail is Coming

Construction Progress More Visible

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Construction Progress More Visible
Construction activities are officially underway along the entire alignment of Phase 1 of the Dulles Corridor Metrorail Project.

Dulles Connector Road/I-66 Interchange
Caissons and piers, which will support foundations for at-grade andaerial track work, are being built. You will continue to see more of these develop along the Dulles Connector Road median in the coming months.

Dulles Connector Road
During the week of Aug. 10, overnight work will close the eastbound Dulles Connector Road (Route 267) ramp to northbound Route 123. Drivers will be directed to detour by using the ramp to southbound Route 123 and using the traffic signal to access the northbound lanes.

Route 123
Early preparation of the eastern portion of the 2,400-foot tunnel has begun at Route 123 and International Drive, including construction of a concrete plant. This month, other equipment and facilities essential to the tunnel construction will be put into place. Preliminary foundation work is taking place for the Tysons Central 123station at Route 123 and Tysons Boulevard.

Route 7
The ramp from southbound Route 123 to Route 7 will close temporarily overnight Aug. 7-8. Construction crews will permanently remove traffic signals and reconfigure the traffic plan. After Aug. 8, the ramp will only reopen for westbound Route 7 only. Eastbound Route 7 fromsouthbound 123 will remain closed. Please use southbound International Drive to access eastbound Route 7. The two-way Frontage Road along the north side of Route 123 between International Drive and Route 7 is subject to nighttime closures to support ongoing utility relocations. Business access remains open during this work. Work has begun on the western portion of the tunnel at the northwest cloverleaf at Route 7 and Route 123 along the Frontage Road. Dulles International Airport Access Highway (DIAAH) and Dulles Toll Road (DTR)Construction has started in the median of the DIAAH near the future Wiehle Avenue station. Ongoing Work Utility relocations and occasional lane closures will continue alongthe Route 7 service roads, portions of Route 123, the DIAAH and theDTR. Access to all businesses will be maintained throughout this work. Ramp closures are scheduled at night in order to avoid peak traffic hours. Motorists should stay alert and be prepared to alter their travel along these roads.