Starting at the 75-cent toll booth for the Dulles Access Toll Road (Rt. 267), take Dulles Access Toll Road (Rt. 267) west for 9.0 miles. Take Exit 10: “Herndon/Chantilly” (Rt. 657). Go through 50-cent toll booth and turn left (east) at light on Centerville Rd. (Rt. 657), toward Chantilly. Continue for .5 mile; at the 3rd traffic light, turn right (west) onto Sunrise Valley Drive. Continue for 1.7 miles. Turn right at Dulles View Drive. Building is straight head – park in small lot to the right, or in the covered parking garage to the left.
From Terminal, take exit road, Dulles Access Toll Road (Rt. 267) toward Washington (east). Take Exit 9A: Sully Rd (Rt. 28) South toward Chantilly/Manassa. Continue on Sully Rd for 0.7 miles. Take right Exit onto Frying Pan Rd. At first light, turn left onto Sunrise Valley Drive. Continue for 0.7 mile. Turn left at Dulles View Drive. Building is straight head – park in small lot to the right, or in the covered parking garage to the left.