[jlg23]

> something you won't find in any European high speed road without deflectors that will make vehicles not crash against concrete.

You find those on the German highway between Berlin and Poland, for example.

> From my point of view all accidents until this time could be attributed to the civil engineer that build the road as much as the driver of the car.

On the other hand, other solutions would provide other "bugs", to stick with your terminology.

>Self driving will give us scientific evidence of what creates accidents like black boxes did with airplanes.

No, it will only give us data on what causes accidents for self-driving cars. Most new cars apparently are already fitted with EDRs[0], the only difference with self-driving cars is the number if sensors involved.