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The American Astronomical Society Executive Office is located on the third floor of the American Geophysical Union (AGU) Building, 2000 Florida Avenue, NW, Suite 300, Washington, DC 20009-1231. Phone: 202-328-2010.
2000 Florida Avenue Washington, DC 20009 Google Map

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Via Metro Rail:

Take the Red Line to Dupont Circle
At Dupont Circle station use exit marked Q Street North
Walk north on Connecticut Avenue about four blocks
Turn right/east on Florida Avenue
The second building on your right is the American Geophysical Union Building
If the glass doors are locked, knock and the guard will unlock the doors
You will have to sign in at the desk
Take the elevator to the third floor
The AAS Office is on your right as you exit the elevator.

From Airports:

Dulles International: Cab fare is about $45-47. SuperShuttle* is $16/person - go to the pickup area outside the terminal at 1D or 1F

Reagan Washington National Airport: Cab fare is about $18. SuperShuttle* is $9/person. Find the Blue Van rep outside the terminal. Metro Rail is $1.10-$1.55, but is difficult with luggage.

BWI Airport: Cab fare is about $75-80. A shuttle bus service is offered from BWI Airport to the BWI Train Rail Station. Train fare to Washington, D.C.'s Union Station is about $5-8 on the Marc Commuter Train and $22-35 on Amtrak. SuperShuttle* is $30 for the first person and $8 each for others. Go to the ground transportation desk on the lower level between carousels 6 and 7.

*The SuperShuttle blue vans serve area hotels. You can take the SuperShuttle to the Washington Hilton and Towers, 1919 Connecticut Avenue, NW, which is one block from the AAS Office. Reservations are not needed from the airports to the hotel - they are needed from the hotel to the airports. Call 1-800-bluevan or go online at

From Amtrak Train Terminal:

Union Station: Cab fare is about $15. Metro Rail $1.10.


From the South:

Take I-95 North to I-395. Continue on I-395 to Exit for US Route 1 (14th Street).
Exit at 14th Street, continue north to R Street, NW.
Left on R Street. Continue west to Connecticut Avenue, NW.
Right/north on Connecticut Avenue. Continue north two blocks to Florida Avenue.
Right on Florida Avenue. The AAS Office is 1/2 block in the AGU building on the right at the corner of 20th and Florida Avenue.

From the North:

Take I-95 South to Capital Beltway. Head west on Capital Beltway to Exit 31, Georgia Avenue.
Continue south at exit on Georgia Avenue.
The road splits into Georgia Avenue and 16th Street. Bear right to 16th Street.
Go south on 16th Street to Florida Avenue NW. Turn right/west on Florida Avenue.
Continue west on Florida Avenue to the 2000 block. The AAS Office is at the corner of 20th and Florida Avenue in the AGU building.

From the North West:

Take I-270 to the Capital Beltway east.
Take the Capital Beltway to exit 33, Connecticut Avenue.
Take Connecticut Avenue towards Chevy Chase/Kensington.
Keep right at the fork in the ramp, merge onto Connecticut Ave.
Turn left onto T Street, NW, go one block.
Turn right onto Florida Ave.
The AAS Office is in the second block on your left, on the corner of 20th and Florida, in the AGU building.

From the West:

Take I-66 east to Theodore Roosevelt Memorial Bridge, which leads to Constitution Avenue going east.
Take a left/north on 18th Street, NW continue to Connecticut Avenue.
Turn left/north on Connecticut Avenue to Florida Avenue.
Right on Florida Avenue. AAS is in the second building on the right, at the corner of 20th and Florida Avenue.

From the East:

Take either US Route 50 west or Baltimore-Washington Parkway south. Both roads run into New York Avenue at the Anacostia Bridge.
Continue on New York Avenue to Florida Avenue.
Turn right onto Florida Avenue which becomes U Street. Continue on U until it merges back into Florida Avenue.
At the light at 18th Street, merge to the left to get back onto Florida Avenue.
Continue on Florida three more blocks. The AAS Office is on the right at the corner of 20th Street and Florida.


Universal South: across Florida Ave. from the AAS Office - $15.00/day.
Universal North: T Street, one block from AAS - $15.00/day