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

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

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

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

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

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.