Construction Activities at Herndon and Reston Town Center Metrorail Stations in the Median of DIAAH on Mar. 18 - 19

Construction Activities at Herndon and Reston Town Center Metrorail Stations in the Median of Airport Access Highway Saturday, Mar. 18 at 9 p.m. through Sunday, Mar. 19 at 5 a.m.

Construction will detour eastbound traffic on the Dulles International Airport Access Highway to the eastbound Dulles Toll Road  overnights   between the Centreville Road bridge and the Reston Parkway overpass on or about Saturday, Mar. 18 at 9 p.m. through Sunday, Mar. 19 at 5 a.m.

The detours will allow Dulles Corridor Metrorail Project crews to set several large precast concrete elements at the Silver Line's future Herndon and Reston Town Center Metrorail stations in the median of the Airport Access Highway.

All work is weather dependent and subject to change.

Here are specifics:

Saturday, Mar. 18, 9 p.m. to Sunday, Mar. 19, 5 a.m.

• Eastbound DIAAH traffic to the Fairfax County Parkway and Reston Parkway will be diverted to the Dulles Toll Road at mile marker 1.8 . Signage will be in place to direct drivers..
• Eastbound DIAAH traffic between mile markers 2.7 and 4.9 will be diverted to the left lane of the eastbound Dulles Toll Road (DTR).
• Eastbound DTR traffic will be restricted to the two right lanes.
• Eastbound DIAAH traffic will return to the DIAAH at mile marker 4.9, just prior to the Reston Parkway overpass and all lanes will be restored for eastbound DTR use.

Drivers are asked to use caution and pay attentive to all signage, barricades, adjusted speed limits. Large, slow-moving vehicles may be exiting and entering the highway at various times.