Google’s self-driving cars have now been involved in a dozen accidents, though none were caused by the tech company’s vehicles.

The company reported and acknowledged a 12th accident last week, with company co-founder Sergey Brin saying that the self-driving car was stopped at a traffic light when it was rear-ended by another driver. Information on the accident was shared during a company’s annual shareholder meeting and comes during increasing scrutiny of the company’s autonomous vehicle program as Google gets ready to test its own self-driving cars on public roadways in Mountain View, California.

Last month, Google reported that its self-driving cars have been involved in 11 accidents over the last six years. None of them were caused by the autonomous technology. Safety advocates have been demanding that Google release records related to those accidents, but the company hasn’t moved forward on releasing that data.

In total, Google’s fleet of approximately 20 self-driving cars have accumulated over 1.7-million miles of combined autonomous and manual driving, with the company saying that its cars have been rear-ended in seven or eight of the first 11 reported accidents.

“I’m very proud of the record of our cars,” said Brin. “By the way, we don’t claim we’ll be perfect. Our goal is to beat human drivers, not be perfect. I’m very pleased we’ve done as well as we have.”


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