content: When you look at the posts last few months, self driving cars would be perfect.  The hard reality is:  Weather and road conditions will fool the censors. Aging self driving cars will have bad sensors. Self driving cars will have to share the road with human drivers, drunk drivers and idiots on the road. Self driving cars will have to deal with animals that flies in front of the censor, and light reflection from other cars. Self driving cars will need to see the difference of a bicycle that has a broken back light and the reflectors of parked cars. Self driving cars will have to deal with motor cycles that zig-zags between the cars stuck in traffic. Self driving cars will have to deal with police controlling the cross-road. Self driving cars will have to deal with Swedish tourists that gets lost in the UK and drive at the wrong side of the road.  First you must design your car for failure before you put it on the road. It is not enough to measure the road and follow the rules when the rest of the universe are breaking the rules.