Summary The cars had been hit from behind seven times, mainly at traffic lights.
(Reuters) - Internet search company Google Inc s self-driving cars have been involved in 11 accidents, but have not been the cause of any, over the last six years since the project began, the program s director said on Monday.
A team of drivers that is testing the fleet of more than 20 vehicles have driven 1.7 million miles so far.
"...Not once was the self-driving car the cause of the accident," Chris Urmson said in a post on technology news website Backchannel s blog Medium. (bit.ly/1GZciuW) No one was injured in the accidents, Urmson added.
"If you spend enough time on the road, accidents will happen whether you re in a car or a self-driving car."
The cars had been hit from behind seven times, mainly at traffic lights, with a majority of the accidents being on city streets rather than on freeways.
"We ll continue to drive thousands of miles so we can all better understand the all-too common incidents that cause many of us to dislike day-to-day drivingâ
