Given how many people treat speed limits as suggestions, at best, having your vehicle obey the limit would turn some people off of them.
Given how many people treat speed limits as suggestions, at best, having your vehicle obey the limit would turn some people off of them.
safety.
system components fail, debris winds up on a path, etc.
100 mph crash is just way less survivable. stopping distance is a function of speed. speed limits are also for human passengers.