Toyota is set to expand its massive vehicle testing site around 50 miles northwest of Phoenix in the town of Wittman.

Toyota said it will expand the Arizona Proving Grounds and invest more than $50 million to enhance vehicle testing at the ...

Toyota says its adding more car testing and development capabilities to its Arizona Proving Grounds site in Wittman.

WITTMANN, Ariz. — Automotive giant Toyota just announced that it's investing $50 million into new amenities for its testing ...

Toyota is investing $50 million to improve its vehicle testing site in Wittman and has already broken ground on construction ...

Toyota is investing over $50 million in its Arizona Proving Grounds for vehicle-testing enhancements. The upgrades include a new 5.5-mile oval track, an off-road park, and improved ride and ...

Toyota is investing over $50 million in its Arizona Proving Grounds for vehicle-testing enhancements. The upgrades include a new 5.5-mile oval track, an off-road park, and improved ride and ...

Toyota will add a 5.5-mile oval track and new testing areas to its Arizona Proving Grounds near Wittmann. The $50 million ...

Toyota says its adding more car testing and development capabilities to its Arizona Proving Grounds site in Wittman.