What fictional town does Pixar's Cars mainly take place in?

Pixar's Cars mainly takes place in the fictional town of Radiator Springs.

Radiator Springs is located in the film's fictional Carburetor County, in the American Southwest. Lightning McQueen reaches the town after accidentally damaging the road and being required to repair it. The community becomes the central setting for his change from a self-focused racer into a more considerate friend and teammate.

The town's design draws on historic Route 66 locations and landscapes. Several characters represent different parts of roadside Americana, including Sally Carrera, who owns the Cozy Cone Motel, and Luigi, who operates Luigi's Casa Della Tires. The film also connects Radiator Springs to the decline of old highway towns after the construction of Interstate 40.

A common mix-up is treating Carburetor County as the town's name. Carburetor County is the county, while Radiator Springs is the community where most of the first film's story unfolds. Radiator Springs also returns in Cars 2 and Cars 3.