https://www.cnet.com/roadshow/news/california-driverless-testing-public-permit/

The California Department of Motor Vehicles has outlined the requirements necessary to secure a driverless permit, and these include proper security to resist cyber attacks, two-way communications equipment, and that the vehicle must not be able to be operated autonomously outside of certain designated areas and conditions. The full text of the regulations can be found here.

Californians can expect to see driverless cars testing on their roads in the near future thanks to new testing permits issued by the DMV.