That’s because its National Museum of American History, which includes Route 66 in its “America on the Move” exhibit, will close Sept. 4 for two years for major renovations, according to WUSA-TV in Washington, D.C.
The “America on the Move” has an actual full-width section of Route 66 from western Oklahoma built in 1932. The section was removed when the state highway department was renovating what is called Spur 281.
An online version of “America on the Move” can be viewed here. The site has a search engine, in which you can view artifacts.