With one patient - a Belgian man injured in a traffic accident seven years ago - they asked a series of questions.

BBC: Vegetative state patients can respond to questions

That fantasy cannot even glimmer with possibility before significant auto-driving legal issues are resolved -- notably, who is liable in a traffic accident involving at least one self-driving vehicle?

ENGADGET: Editorial: Self-driving cars FTW, but not for everybody

He was involved in a traffic accident when at a four-way stop intersection a Hispanic woman ran a stop sign and collided with his car.

FORBES: Crime and Non-Punishment: When Cops And DA's Are The Problem Rather Than The Solution

Washington (CNN) -- Federal authorities say they've launched an investigation into the 2012 Hyundai Elantra after a vehicle owner claimed the driver-side airbag improperly deployed during a traffic accident, resulting in a severe cut to his ear.

CNN: Fed probes allegation airbag cut driver's ear in half

Last month, Mr. Merah was given a one-month prison sentence for causing a minor traffic accident while riding a motorcycle without a license, the lawyer said.

WSJ: French Close In on Gunman

China Daily and others also report on a traffic accident in eastern Shandong Province, where at least 50 vehicles were involved in a pile-up.

BBC: China morning round-up: Ping-pong diplomacy marked

One clip starts by showing the car smashed into a lamp-post: then the camera pans round to show that this is no ordinary traffic accident.

CNN: SHARE THIS

To put it another way, what would be the accident rate on London's A-roads if you filled them with Northumberland's density of traffic?

BBC: Crashes