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

Toyota established the Arizona Proving Grounds in 1993, and it has been home to testing more than 50 Toyota and Lexus vehicles for the North American market since that time.

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 ...

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

The big investment is part of its commitment to its Arizona Proving Grounds. This is the place where Toyotas get put through ...

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