> A 99.9% accuracy rate isn't good enough because I might kill a child for every 1000 school buses I pass You don't need a high level of accuracy for that - th

> A 99.9% accuracy rate isn't good enough because I might kill a child for every 1000 school buses I pass You don't need a high level of accuracy for that - the rule is to not overtake a school bus, so that would equate to one illegal overtake for every 1000 (stopped) buses encountered. Also, not every illegal bus overtake would necessarily put a child in immediate danger.