THE FACTS
Most drivers who have had something to drink have low blood alcohol content or concentration and few are involved in fatal crashes. On the other hand, while only a few drivers have higher than .15, a much higher proportion of those drivers have fatal crashes.
The average BAC among fatally injured drinking drivers is .
The relative risk of death for drivers in single-vehicle crashes with a high BAC is 385 times that of a zero-BAC driver and for male drivers the risk is 707 times that of a sober driver, according to estimates by the Insurance Institute for Highway Safety .