Laws that establish a lower illegal BAC for young or inexperienced drivers than for older or more experienced drivers is recommended based on sufficient evidence of their effectiveness in reducing alcohol-related motor vehicle crashes. Lower blood alcohol concentration (BAC) laws establish a lower illegal BAC for young or inexperienced drivers than for older or more experienced drivers.
Community Preventive Services Task Force. Recommendations to reduce injuries to motor vehicle occupants: increasing child safety seat use, increasing safety belt use, and reducing alcohol-impaired driving. Am J Prev Med [Internet]. 2001 Nov [cited 2013 Mar 21];21(4S):16?22. Available from http://www.thecommunityguide.org/mvoi/mvoi-AJPM-recs.pdf