From Washington Dulles Airport (IAD)

Merge onto DULLES AIRPORT ACCESS RD. 2.3 miles
Exit Airport to VA-267 E/DULLES TOLL RD via EXIT 12-13-14 toward RESTON PKWY/WIEHLE AVE/HUNTER MILL RD (Portions toll). 2.2 miles
Merge onto RESTON PKWY/VA-602 S via EXIT 12. 0.6 miles
Turn RIGHT onto SUNRISE VALLEY DR. <0.1 miles