Transport of Substation Components May Impact Traffic on Route 7

Unloading of sections of one of the Traction Power Substations from February 2011. Photo courtesy of Bechtel.

Work on the Dulles Corridor Metrorail Project may impact traffic on Route 7 in Clarke County as crews work to transport massive Traction Power Substation (TPSS) components to their final destination near Wiehle Avenue in Reston.

The transporters carrying the modular elements of the TPSS will enter Virginia via I-81 south, and will then cross Clarke County on Route 7 east enroute to the staging area at Washington Dulles International Airport.

Communications Manager for the  Dulles Corridor Metrorail Project, Marcia McAllister said via email, “The first 3 loads will be travelling through Clarke County tomorrow (Friday April 13) between 9am & 11am.  The last 2 loads may be there tomorrow between 1pm and 2:30pm.  If they do not make it before curfew it will be Monday.”

The trucks will each be accompanied by three pilot cars, and will create  rolling blockades while delivering the components. Officials warn that traffic disruptions should be expected as the trucks and escort vehicles move along the roads.