In Pixar’s Cars, the famous American highway that inspired the setting and story is Route 66.
Route 66 once connected Chicago and Santa Monica, crossing several states and becoming an icon of automobile travel. Its decline after the Interstate Highway System redirected traffic left many small roadside communities quieter and less prosperous.
That history shaped Radiator Springs, the fictional desert town where Lightning McQueen is required to repair the road after damaging it. The film’s landscape, roadside businesses, and emphasis on forgotten communities reflect the cultural image of historic Route 66.
Cars is not a literal documentary about the highway. Radiator Springs is fictional, and its location is presented within the film’s invented world. The Route 66 connection refers to the real road-trip culture and towns that influenced Pixar’s visual research.