The Old Post Office stands at the intersection of 12th Street and Pennsylvania Avenue, NW. There are public entrances located on the Pennsylvania Avenue front side, the east side, and in back at the south side. On Sunday mornings, only the south entrance is open.
Three major airports link Washington, D.C. with the rest of the country and the world. Ronald Reagan Washington National Airport, Washington Dulles International Airport, and Baltimore/Washington International Thurgood Marshall Airport all have limousine, taxi cab, or Metro services available that will connect with the National Mall.
Interstate 395 provides access to the Mall from the South. Interstate 495, New York Avenue, Rock Creek and Potomac Parkway, George Washington Memorial Parkway, and the Cabin John Parkway provide access from the North. Interstate 66, U.S. Routes 50 and 29 provide access from the West. U.S. Routes 50, 1, and 4 provide access from the East.
Several major bicycle trails make their ways to and through Washington, D.C. The Nation's Capital area is extremely bicycle friendly and readily accessible to riders of nearly every skill level.
There are several Metro train and bus routes from the suburban areas surrounding the city. In addition to Washington, D.C. public transportation, adjacent state and commonwealth transportation authorities offer train service from area cites to the Nation's Capital. Consult the Public Transportation link for additional details.
General visitor parking is available along Ohio Drive, SW between the Lincoln and Thomas Jefferson Memorials. Bus parking is available primarily along Ohio Drive, SW near the Lincoln and Thomas Jefferson Memorials and along Ohio Drive, SW in East Potomac Park.
There is limited handicapped parking at the Franklin Delano Roosevelt and World War II Memorials and near the Washington Monument and the Thomas Jefferson, Lincoln, Korean War Veterans, and Vietnam Veterans Memorials; otherwise, parking is extremely scarce in Washington, D.C.