- 05.15.13 02:39 PM EDT
According to recommendations from a federal safety board, states should lower the threshold for what constitutes drunk driving, from blood alcohol levels of .08 (the current limit) to .05. For an average 120-pound woman, that level is reached after one drink; for an average 160-pound man, it takes about 2 drinks.
The National Transportation Safety Board says that a limit of .05 is the international norm, adopted by more than 100 countries -- and that when Europe adopted similar levels, the number of traffic fatalities due to alcohol use was cut in half.
Nationally, more than 30,000 people die each year in cars each year, and that number hasn't dropped in the past decades.