The Roads Must Roll
Heinlein, Robert A. "The Roads Must Roll." Astounding June 1940. Coll. The Best of Robert Heinlein. London: Sidgwick & Jackson, 1973. The Man Who Sold the Moon. Chicago: Shasta, [1950]. [New York]: NAL, [1951]. The Past through Tomorrow. New York: Putnam's, [1967]. Frequently rpt. including Famous Science Fiction Stories: Adventures in Time and Space. Raymond J. Healy and J. Francis McComas, eds. New York: Random, 1946, 1957. The Science Fiction Hall of Fame, vol. I. Robert Silverberg, ed. Garden City, NY: Doubleday, 1970, and New York: Avon, 1971.
Human interdependence increased in mechanized world, sufficiently to tempt Functionalists among those running the roads to attempt to seize political power. See for a positive view of "Old Dr. Pavlov" and a very negative view of users of "glib, mechanistic pseudopsychology" who "blindly and unscientifically dogmatized about the meaning of his [Ivan Petrovich Pavlov's] important, but strictly limited, experiments" (Healy and McComas, Adventures 572-3).
Cf. and contrast Arkady and Boris Strugatsky's Noon: 22nd Century, "The Moving Roads" (1961).
RDE, Title, 6Aug19; Strugatsky story 9July20