Fascinating. Robert Heinlein's "The Roads Must Roll"[1] was written in 1940, after this article. Heinlein's roads had sections that went up to 100MPH but otherw

Fascinating. Robert Heinlein's "The Roads Must Roll"[1] was written in 1940, after this article. Heinlein's roads had sections that went up to 100MPH but otherwise look to be taken from the idea in this 1937 article. [1] https://en.m.wikipedia.org/wiki/The_Roads_Must_Roll https://en.m.wikipedia.org/wiki/The_Roads_Must_Roll