From the Capital Beltway (I-495):
1. Exit from I-495 on to the GW Parkway.
2. Exit from the GW Parkway on to Rte 123 (Chain Bridge Rd) North to Washington DC.
3. At stop light, turn right on to N. Glebe Rd (Rte 120).
4. Proceed up N. Glebe Rd about 1 mile, to N. Tazewell St.
5. Turn right on to N. Tazewell St, & bear right on to St. Peter's driveway.

From I-66:
1. Exit from I-66 on to Glebe Rd (Rte 120).
2. Proceed north on Glebe Rd about 5 miles.
3. After the stop light at N. Glebe Rd & Chesterbrook Rd, take the 2nd left on to N. Tazewell St, & bear right on to St. Peter's driveway.