From Washington, take 66 West to Route 50 (Jackson Memorial Highway). Go West on Route 50 past Route 28 (Sully Road). Go two miles past Route 28 and turn left onto Pleasant Valley Drive (Lafayette Business Park) then turn left onto Lafayette Center Drive. Turn right into the second driveway, building 4115 is approximately 100 yards on your right. Suite # 800 is at the furthest corner end of building 4115.

An alternate route could be used by taking the Dulles Toll Road (Route # 267) to Sully Road, Route 28. Go South/East on Route 28 towards Chantilly. Go West of Route 50 towards Front Royal for about two miles. Turn left onto Pleasant Valley Drive (Lafayette Business Park) then turn left onto Lafayette Center Drive. Turn right into the second driveway, building 4115 is approximately 100 yards on your right. Suite # 800 is at the furthest corner end of building 4115.