According to the
AAA Internet Trip Tik, this is the route they give:
From: Buffalo, New York
To : 8006 Lorton Road, Lorton 22079, Virginia
Total Estimated Time: 7 hrs., 17mins.
Total Distance : 465.9 miles (749.8km)
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1. Start out heading SOUTHWEST on DELAWARE AVENUE towards CITY HALL. Drive for 0.2 miles.
2. Turn RIGHT onto CHURCH STREET. Drive for a short distance.
3. Turn SHARP LEFT to get on RT-5 W. Drive for 6.5 miles.
4. Turn SLIGHT RIGHT onto ramp towards NY 179. Drive for 0.2 miles.
5. Take the roundabout and exit at the THIRD exit onto RT-179 E. Drive for 1.5 miles.
6. Turn LEFT onto ramp. Drive for 0.3 miles.
7. Turn SLIGHT RIGHT to get on I-90 W towards ERIE. Drive for 87.6 miles.
8. Take exit number 22A to get on I-79 S towards PITTSBURGH. Drive for 98.4 miles.
9. Take exit towards EXITS 78-77 / PA-228 / I-76 / PA TURNPIKE / CRANBERRY / US-19. Drive for 1.3 miles.
10. Keep SLIGHT RIGHT at the fork towards ramp towards PA TURNPIKE / I-76 / YOUNGSTOWN OHIO / HARRISBURG. Drive for 0.4 miles.
11. Go STRAIGHT to get on I-76 E towards HARRISBURG. Drive for 133 miles.
12. Take exit number 161 to get on I-70 E towards BALTIMORE / US-30 / WASHINGTON D C / BREEZEWOOD. Drive for 2.1 miles.
13. Take exit towards US-30 W. Drive for 0.1 miles.
14. Go STRAIGHT on LINCOLN HIGHWAY. Drive for 0.3 miles.
15. Turn LEFT to get on I-70 E. Drive for 75.5 miles.
16. Take exit number 53 to get on I-270 S towards WASHINGTON. Drive for 23.1 miles.
17. Keep SLIGHT RIGHT at the fork towards I-270 LOCAL S. Drive for 5.7 miles.
18. Go STRAIGHT on I-270 S. Drive for 0.9 miles.
19. Keep SLIGHT LEFT at the fork towards I-270 HOV LANE S. Drive for 0.6 miles.
20. Go STRAIGHT on I-270-SPUR S. Drive for 1.4 miles.
21. Go STRAIGHT on I-495 S. Drive for 16.7 miles.
22. Take exit number 57A to get on I-95 S towards RICHMOND. Drive for 7.5 miles.
23. Take exit number 163 towards VA-642 / LORTON. Drive for 0.4 miles.
24. Turn LEFT onto VA-642. Drive for 0.2 miles.
25. Keep STRAIGHT to stay on VA-642. Drive for a short distance.
26. You have reached the destination.
Mapquest gives the same route.
We will be taking this route in Feb ourselves.