Radiator Springs is linked to historic U.S. Route 66 in Pixar’s Cars.
The fictional town’s decline is tied to the construction of Interstate 40, which diverts traffic away from the old road. That history reflects the experience of many real communities along Route 66, where changing highways reduced passing motorists and weakened local businesses. Lightning McQueen’s unplanned stay allows him to see the town as more than an obstacle on his way to the Piston Cup finale.
Pixar artists researched Route 66 communities while developing Cars. The movie draws on roadside diners, motel signs, desert landscapes, service stations, and local landmarks associated with the historic highway. Radiator Springs is fictional, but its setting combines details from several real places in the American Southwest.
Route 66 officially ran from Chicago to Santa Monica and was established in 1926. It was removed from the United States Numbered Highway System in 1985, but remains a major cultural and tourism symbol. The film helped renew popular interest in its roadside history.