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Metrorail station closures from May 25 to September 8 could impact your visit to NSF. Visit the NSF Metrorail page to learn more about your options.


Union Station is the central Amtrak station in the Washington D.C. area. It is a visitor attraction in its own right, and is located directly across from the Capitol building parks and grounds near the Supreme Court and the Library of Congress. Union Station allows NSF visitors to connect to the Metrorail system in order to complete travel to the Alexandria headquarters.


Union Station is served by Metro's Red Line. NSF visitors coming from Union Station can find detailed trip information here.

Approximate travel time: 40 minutes


Google Maps Directions

Approximate distance: 12 miles
Estimated travel time: 35 minutes

Union Station Address: 50 Massachusetts Ave NE, Washington, DC 20002

National Science Foundation Address: 2415 Eisenhower Avenue, Alexandria, VA, 22314