Visit OSA

2010 Massachusetts Ave, NW
Washington, DC 20036 USA
Tel: +1 202.223.8130

Metro Directions
Driving Directions
Parking

Metro Directions

Metro trip planner
 

OSA is located at the Dupont Circle Metro station.

  1. Exit using the Q St entrance
  2. Head west on Q St NW toward 20th St NW
  3. Turn left onto 20th St NW
  4. Turn right onto Massachusetts Ave NW
  5. The building on the left

Driving Directions

Google map

Ronald Reagan Washington National Airport (DCA)

Google Directions
Ground Transportation Options

  1. Head north toward Aviation Cir/Ronald Reagan Washington National Airport Access Rd
  2. Continue straight onto Aviation Cir/Ronald Reagan Washington National Airport Access Rd
  3. Take the ramp onto George Washington Memorial Pkwy
  4. Take the exit onto I-395 N toward Washington
  5. Take the exit on the left onto US-1 N/US Highway 1 N/14th St SW toward Downtown
  6. Continue onto 14th St NW
  7. At the traffic circle, exit onto Massachusetts Ave NW
  8. At the traffic circle, continue straight to stay on Massachusetts Ave NW

Baltimore-Washington International Airport (BWI)

Google Directions
Ground Transportation Options

  1. Head southeast on Elm Rd
  2. Continue onto I-195 W
  3. Take exit 2B for MD-295 S/Balt/Wash Pkwy toward Washington
  4. Merge onto MD-295 S/Baltimore-Washington Pkwy
  5. Take the exit onto US-50 W/New York Ave NE toward Washington
  6. Continue onto New York Ave NW
  7. Continue onto Mt Vernon Pl NW
  8. Continue onto Massachusetts Ave NW
  9. At the traffic circle, continue straight to stay on Massachusetts Ave NW

Washington Dulles International Airport (IAD)

Google Directions
Ground Transportation Options

  1. Head east on Saarinen Cir
  2. Continue onto Dulles Airport Access and Toll Rd
  3. Merge onto VA-267 E
  4. Merge onto I-66 E
  5. Continue onto US-50 E
  6. Turn left at 18th St NW
  7. Slight left at Connecticut Ave NW
  8. Slight right to stay on Connecticut Ave NW
  9. At the traffic circle, exit onto Massachusetts Ave NW

Union Station Washington, DC

Google Directions
Ground Transportation Options

  1. Start out going west on Massachusetts Ave NE
  2. Turn slight left
  3. Turn slight right
  4. Turn slight right onto Columbus Cir NE
  5. Stay straight to go onto Massachusetts Ave NE 0.8 mi
  6. Turn right onto 7th St NW. 0.1 mi
  7. Turn left onto Mt Vernon Pl NW. 0.1 mi
  8. Mt Vernon Pl NW becomes Massachusetts Ave NW. Pass through 1 roundabout
  9. Turn right to stay on Massachusetts Ave NW
  10. 2010 Massachusetts Ave NW is on the left

Parking 

Street Parking

Two hour, daily street parking is free surrounding the building. After 4:00 pm Monday - Friday, parking in the area is limited due to rush hour traffic.
 

Parking Garages

There are several local parking garages near OSA’s Washington, DC, US office: