When TV celebrity Dinah Shore sang "See the USA in your Chevrolet," 1950s America took her to heart. Every summer, parents piled the kids in the back seat, threw the luggage in the trunk, and took to the open highway. Chronicling this innately American ritual, Susan Rugh presents a cultural history of the American middle-class family vacation from 1945 to 1973, tracing its evolution from the establishment of this summer tradition to its decline.

The first in-depth look at post-World War II family travel, Rugh's study recounts how postwar prosperity and mass consumption--abetted by paid...