> at only reducing 40% accidents Unless I'm missing something, 40% is actually a good result (given what they're trying to measure). However, I think the more

> at only reducing 40% accidents Unless I'm missing something, 40% is actually a good result (given what they're trying to measure). However, I think the more important statistic would be regarding how many injuries/fatalities does it reduce vs cause. Are there any studies on this?