(From Maryland and North of D.C.) Route #I- 95 South. Pass Capital Beltway (I-495). Exit #22 #19; Baltimore-Washington Parkway. Exit right to route #50 West #19; Toward Washington becomes New York Avenue. Continue about 10 miles. Left on 4th Street, NW right on E Street, NW.
Parking lots on E Street between 12th and 13th, and on 12th or 13th between E and F Streets. E Street becomes Pennsylvania Avenue at 13th. The National is at 1321 Pennsylvania Avenue, NW.
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