Whats the legal bac to drive?
Score: 4.9/5 (52 votes) The federal limit to legally drive in the United States is a blood alcohol content (BAC) of 0.08%.Is 0.05 over the limit?Know your limit. NSW has three blood alcohol concentration (BAC) limits: zero, under 0.02 and under 0.05. The limit that applies to you depends on the cate...