1895 Preston White Drive
Suite 100
Reston, VA, USA, 20191-5434
(703) 620-8990

From Washington Via Route 66:

Take Route 66 West to Exit 67 --Dulles Airport - 495 North - Baltimore-- to Toll Road 267 (50 cent toll). Follow Toll Road to Exit 14, Hunter Mill Road (25 cent toll). Turn left at the stop light at the bottom of the ramp onto Hunter Mill Road. Turn right at the second stop light (T-shaped intersection) onto Sunrise Valley Drive and go eight-tenths of a mile. Turn right onto Preston White Drive. Pass the Spot Image building and take the first driveway on your right. CNRI is located in the building at the base of the drive. Visitor Parking is located in front of the building and there is additional parking available on either side of the building

Note: Use of Route 66 east of the 495 interchange from 4:00 pm to 6:30 pm is limited to cars carrying two or more people in the westbound direction. Similarly, from 7:00 am to 9:30 am in the morning, the restriction is eastbound towards Washington, DC.

From Washington Via Route 495 (Capital Beltway)

Take Route 495 (the Beltway) to Route 267 west toward Dulles Airport and follow directions given above.

From National Airport:

Upon exiting from the airport, follow signs to George Washington Parkway north, and take the Parkway north either to Route 495 or to Route 66 and follow directions given above.

From Dulles Airport:

Take Dulles Access Road toward Washington to Wiehle Avenue (Exit 13). Exit right onto Wiehle, then take the next left at T-shaped intersection stop light onto Sunrise Valley Drive. Go seven-tenths of a mile, through one stop light, and turn left onto Preston White Drive.


Note: Preston White Drive is a loop. Do not turn left *at* the stop light, even though that intersection is one end of the loop.

Take the first driveway on the right, after the Spot Image Building. CNRI is located in the building at the base of the drive. Visitor parking is located in front of the building and there is additional parking available on either side of the building.