Engineers working on driverless cars tell us that the safest response in any emergency is to stop. This will be even safer if the nearby cars all have robot drivers. And robot drivers would be better behaved than human ones, reducing the number of emergencies on the roads.
This is what gives rise to the real ethical challenge of self-driving cars. Once robot drivers are safe enough to allow onto the roads in large numbers, it seems that we should maximize their benefits by banning their dangerous human counterparts from public roads.
Read the article at Phys.org.