State B.A.C. Limits |
| Blood Alcohol Concentration Limits
for Enforcement of Impaired Driving Laws -- U.S. States - 2001
On October 23, 2000, President Clinton signed legislation that will require each state to pass .08% blood alcohol concentration (BAC) as the presumptive level of intoxication for driving, or lose a portion of their federal highway funding. States have until October 1, 2003, to pass a .08% BAC “per se" law that would meet the provisions of an existing federal incentive grant or face the withholding of 2 percent of their federal highway construction funds, as part of the new .08% law. States that have not passed a .08% BAC law by October 1, 2004, will lose 4 percent of their federal highway construction funds. States without .08% BAC per se laws by October 1, 2005, will lose 6 percent of their federal highway construction funds, and on October 1, 2006, and each year thereafter, states without .08% BAC laws will lose 8 percent of their funds. Note: Some states impose lower BAC limits for drivers under age 21 and/or under age 18. Note: Limits shown are for "per se" enforcement of impaired driving laws. Most states prohibit driving while impaired, regardless of BAC limit.
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