Mark Mimms News Today

The $2.1 million autonomous vehicle testing site expansion at Castle Commerce Center in Atwater, Calif., includes a test track, a city course and two vehicle dynamics areas. Officials hope the investment will help attract the AV industry.

Merced County leaders say the $2.1 million expansion of the self-driving car testing site is now complete after months of construction — signaling the next chapter in the county's quest to attract the AV industry.