The Washington office is located at 1300 I Street, N.W. on the southwest corner of 13th and I Streets across from Franklin Square Park. Visitor parking is on 13th Street.
The closest airport is Ronald Reagan National Airport. From there, you may take a cab or the subway to the office. If traveling by subway, take the Metrorail Blue Line in the direction of Addison Road and get off at McPherson Square Station. Follow signs for the Franklin Square exit, which leads to the corner of 14th and I Streets. Cross 14th Street and the office is on the corner of 13th and I Streets.
If you are flying into Dulles International Airport, you may take a cab to the office or the Washington Flyer Coach Service to West Falls Church Metro Station. The bus leaves the airport every half-hour (on the quarter-past and quarter-to hours) for the subway station. At the subway station, take the Orange Line to McPherson Square, then take the exit to Franklin Square on the corner of 14th and I Streets. Cross 14th Street and the office is on the corner of 13th and I Streets.
There are a number of trains that arrive in Union Station—The Amtrak on the Northeast Corridor from New York, Boston, etc.; the Virginia Rail System coming from Fredericksburg and Manassas, Virginia; and the MARC commuter train from Baltimore (including Baltimore-Washington International Airport). You may take a cab or subway from Union Station. If traveling by subway, take the Metro Red Line in the direction of Shady Grove to Metro Center. Exit at 13th and G Streets. Walk north on 13th Street towards I Street, turn left on I Street and the office is on the corner.