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

Formally named the Arizona Mobility Test Center at Toyota Arizona Proving Grounds (AMTC at TAPG), the facility, under Toyota ownership, has been available to industry as a vehicle testing resource ...

The site, known as the Arizona Mobility Test Center at Toyota Arizona Proving Grounds, has been open for use by various companies as a vehicle testing resource since 2021.

The facility, formally named the Arizona Mobility Test Center at Toyota Arizona Proving Grounds (AMTC at TAPG), has been available to industry for vehicle testing since 2021 under Toyota’s ...

Toyota Affirms Commitment to Arizona Proving Grounds with New Investment Toyota Affirms Commitment to Arizona Proving Grounds with New Investment PR Newswire WITTMANN, Ariz., July 2, 2025 More ...

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