Automaker Toyota has broken ground on more than $50 million in construction of new amenities at its Valley facility north of Surprise.
The company said construction to the Arizona Proving Grounds near Wittman includes a 5.5-mile oval track, an off-road park and new ride and handling surfaces. Most of it is expected to be completed later this year.
The facility currently covers about 11,650 acres and has 77 miles of testing surfaces with 60 miles of paved roads, more than 50 miles of off-road and dirt tracks and a high-speed oval track…