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

Toyota has begun construction of a $50-million-plus expansion project at an Arizona testing facility. The new amenities will ...

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

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

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 invests over $50 million in Arizona Proving Grounds, enhancing vehicle testing capabilities with new facilities and a ...

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. About Toyota ...