AP—Gov. Jerry Brown rode to Google headquarters in a self-driving Toyota Prius before signing legislation Tuesday that will pave the way for driverless cars in California.

The bill by Democratic Sen. Alex Padilla will establish safety and performance regulations to test and operate autonomous vehicles on state roads and highways.

“Today we’re looking at science fiction becoming tomorrow’s reality — the self-driving car,” Brown said. “Anyone who gets inside a car and finds out the car is driving will be a little skittish, but they’ll get over it.”

Google Inc. has been developing autonomous car technology and lobbying for the regulations. The company’s fleet of a dozen…