How Safe Are Autonomous Cars

Multiple companies have begun developing and utilizing this driver-less car technology. But the biggest question that's been raised so far is—are they actually safer than traditional cars? The major tech and car companies such as Google, Tesla, BMW, Mercedes, Nissan etc. trying their best to bring these cars into the mainstream. However, it's important to look at the facts and figure out if they truly are the way of car safety feature or not. Watch the video for the detailed insight.
https://www.youtube.com/watch?v=_QF1fqaEqRc