Woodbridge is located along I-95 in northern Virginia, approx. 25 miles southwest of Washington DC. From the North (Washington DC): Capital Beltway/I-95 south (towards Richmond) to Rt-3000 West/Prince William Pkwy./Manassas (exit 158B). Proceed west on Prince William Pkwy. approx. 0.75 mile to Crossing Place. Turn left on Crossing Place and proceed east a short distance (approx. 0.1 mile) to Research Ct. (stop sign at the top of the hill). Turn right on Research Ct. and proceed to facility. From the South: I-95 north to Rt-3000 West/Prince William Pkwy./Manassas (exit 158B). Proceed west on Prince William Pkwy. approx. 1 mile to Crossing Place. Turn left on Crossing Place and proceed east a short distance (approx. 0.1 mile) to Research Ct. (stop sign at the top of the hill). Turn right on Research Ct. and proceed to facility. From Eastbound Prince William Parkway: Rt-3000/Prince William Pkwy. west to Crossing Place (approx. 0.75 mile past I-95). Turn left on Crossing Place and proceed east a short distance (approx. 0.1 mile) to Research Ct. (stop sign at the top of the hill). Turn right on Research Ct. and proceed to facility. From Westbound Prince William Parkway: Rt-3000/Prince William Pkwy. east to Crossing Place (approx. 0.75 mile past Smoketown Road). Turn right on Crossing Place and proceed east a short distance (approx. 0.1 mile) to Research Ct. (stop sign at the top of the hill). Turn right on Research Ct. and proceed to facility.