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 at Hunter Mill Road (25 cent toll). At the bottom of the ramp turn left onto Hunter Mill Road. At the second stop light (T-intersection), turn right onto Sunrise Valley Drive and go eight-tenths of a mile. Just after the tennis courts on the left, turn right onto Preston White Drive. Take the first drive on the right after the Spot Image Building. CNRI is located in the building at the base of the drive (note the rose colored pillar in front and the big TRW sign on top). Parking is available on either side with access to CNRI (Suite 101) through the front of the building.

Note: Use of Route 66, inside the 495 beltway, from 4 to 6:30 in the afternoon, is limited to cars carrying two or more people in the outbound direction. Similarly, in from 7 to 9:30 in the morning, the restriction is in the inbound direction 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 onto toll road toward Washington to the second Reson exit (Wiehle Avenue). Exit right onto Wiehle, then take next left at T-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 drive on the right, after the Spot Image Building. CNRI is located in the building at the base of the drive (note the rose colored pillar in front and the big TRW sign on top). Parking is available on either side with access to CNRI (Suite 100) through the front of the building.