Driverless Cars

In the US 40,000 people die per year in automobile accidents. Worldwide, 1.2 million people die per year in car accidents.
It is amazing that our world would stand by and accept such an atrocious transportation system, and not pull out all the stops to fix it. What is keeping our society from jumping at innovation, like driverless cars?
"Politics, of course, is often geared toward preserving the status quo, which is highly visible, familiar in its risks, and lucrative for companies already making a profit from it," rants Tyler Cohen on the the issue, which is the bureaucracy that slows innovation to a halt.