Waymo is first to put fully self-driving cars on US roads without a safety driver

Waymo, the autonomous vehicle division of Alphabet, Google’s parent company, reached an important milestone recently: since mid-October, the company has been operating its autonomous minivans on public roads in Arizona without a safety driver — or any human at all — behind the wheel. And starting very soon, the company plans to invite regular people for rides in these fully self-driving vehicles.The news that Waymo’s vehicles have been on public roads with no human in the