> Except humans crash into stationary vehicles in lane all the damn time. Most highway pile ups are a simple crash lots of folks drive into the back of. Why's i

> Except humans crash into stationary vehicles in lane all the damn time. Most highway pile ups are a simple crash lots of folks drive into the back of. Why's it hard? Humans get inattentive and distracted, and humans follow too close for current conditions and speed. There's no excuse for either of those factors to apply to an autopilot system. If they do, it's badly designed.