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Driving directions to Uniontown PA office

Other OST Locations

Click on any of the following OST locations to get detailed directions to OST's other office locations.

OST, McLean VA

1676  International Drive
Suite 1100
McLean, VA  22102

Coming from Washington DC

Via Constitution Ave NW to I-66 W

  1. Turn left onto 14th St NW.
  2. Turn right onto Constitution Ave NW/US-50.
  3. Merge onto I-66 W (Crossing into Virginia).
  4. HOV-only restriction: Mon-Fri 4:00 PM to 6:30 PM
  5. Merge onto Leesburg Pike/VA-7 W via EXIT 66B toward Tyson’s Corner.
  6. Turn slight right onto International Dr.
  7. Make a U-turn at Westpark Dr onto International Dr.

Via M Street NW to I-66 W

  1. Turn left onto Vermont Ave NW. (Vermont Ave NW is just past 13th St NW)
  2. Take 14th St NW.
  3. Turn right onto M St NW.
  4. Turn left onto US-29 S (Crossing into Virginia). US-29 S is just past 34th St NW
  5. Merge onto I-66 W toward Front Royal/Dulles Airport.
    (HOV-only restriction: Mon-Fri 4:00 PM to 6:30 PM)
  6. Merge onto Leesburg Pike/VA-7 W via EXIT 66B toward Tyson’s Corner.
  7. Turn slight right onto International Dr.
    (International Dr is 0.2 miles past Towers Crescent Dr.)
  8. Make a U-turn at Westpark Dr onto International Dr.

Via George Washington Pkwy N

  1. Take EXIT 10C from I395 or Roosevelt Bridge toward George Wash Memorial Pkwy Crossing into Virginia.
  2. Merge onto George Washington Memorial PKY N/GW PKY N
  3. Take the VA-123 exit toward Chain Bridge/McLean.
  4. Keep right at the fork to go on VA-123 S.
  5. Turn slight right onto International Dr.
    International Dr is 0.1 miles past Tyson’s Blvd
  6. Make a U-turn at Westpark Dr onto International Dr.

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Coming from Washington Dulles International Airport

Via Dulles Airport Access Road

  1. Start out going northeast on Saarinen Cir toward Dulles Airport Access Rd.
  2. Stay straight to go onto Dulles Airport Access Rd.
  3. Take the VA-7 E exit toward Tyson’s Corner.
  4. Turn slight right onto VA-7 E/Leesburg Pike.
  5. Turn left onto Westpark Dr.
    Westpark Dr is 0.4 miles past Spring Hill Rd
  6. Turn slight right onto International Dr.

Coming from Ronald Reagan Washington National Airport

Via George Washington Memorial Parkway N

  1. Go straight toward Airport Exit/I-395/GW Parkway North/US-50 W/I-66/Washington.
  2. Merge onto George Washington Memorial Pky N Take the VA-123 exit toward Chain Bridge/McLean.
  3. Keep right at the fork to go on VA-123 S.
  4. Turn slight right onto International Dr.
  5. Make a U-turn at Westpark Dr onto International Dr.

Via I-66 W

  1. Start out going south on ramp toward Abingdon Dr.
  2. Turn slight right onto Abingdon Dr.
  3. Go straight toward US-1/I-66/Crystal City/Off-Airport Rental Cars Follow US-1 South/Dollar/Thrifty.
  4. Turn slight right onto VA-233.
  5. Take the US-1 N ramp toward I-395 N/Washington/I-66 W.
  6. Turn slight right onto US-1 N/Jefferson Davis Hwy. Continue to follow Jefferson Davis Hwy.
  7. Merge onto I-66 W toward Front Royal/Dulles Airport.
    (HOV-only restriction: Mon-Fri 4:00 PM to 6:30 PM)
  8. Merge onto Leesburg Pike/VA-7 W via EXIT 66B toward Tyson’s Corner.
  9. Turn slight right onto International Dr.
  10. Make a U-turn at Westpark Dr onto International Dr.

Coming from Eastern Maryland

Via I-95 S to VA 267 W

  1. Start out going southwest on Pulaski Hwy/US-40 W toward Rogers Rd.
  2. Turn right onto MD-272/North East Rd. (MD-272 is 0.1 miles past Rogers Rd)
  3. Merge onto I-95 S toward Baltimore (Portions toll).
  4. Merge onto I-495 W/Capital Beltway/I-495 OUTERLOOP via EXIT 27 toward Silver Spring (Crossing into Virginia).
  5. Merge onto VA-267 W via EXIT 45A toward Dulles Airport (Portions toll).
  6. Take the VA-684/Spring Hill Rd exit, EXIT 17.
  7. Turn left onto Spring Hill Rd/VA-684 S.
  8. Stay straight to go onto International Dr.

Via I-95 S to Eastern Ave

  1. Start out going southwest on Pulaski Hwy/US-40 W toward Rogers Rd.
  2. Turn right onto MD-272/North East Rd. (MD-272 is 0.1 miles past Rogers Rd)
  3. Merge onto I-95 S toward Baltimore.
  4. Take the MD-150 W/Eastern Ave West exit, EXIT 59, toward Highland town.
  5. Merge onto Eastern Ave.
  6. Turn right onto S President St.
  7. Turn left onto E Lombard St.
    (Fairfield Inn & Suites is on the right)
  8. Turn left onto S Howard St.
  9. S Howard St becomes I-395 S.
  10. Merge onto I-95 S via the exit on the left toward Washington.
  11. Merge onto I-495 W/Capital Beltway/I-495 OUTERLOOP via EXIT 27 toward Silver Spring
  12. Take the VA-123 S/Chain Br Rd exit, EXIT 46A, toward Tyson’s Corner/Vienna.
  13. Turn slight right onto Chain Bridge Rd/VA-123 S.
  14. Turn slight right onto International Dr.
  15. Make a U-turn at Westpark Dr onto International Dr.

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