DUI and impaired-driving laws by state
LegalLimit.com is a reference site for US state DUI and impaired-driving laws. Each state page covers BAC limits, penalty tiers, license consequences, ignition-interlock rules, and implied-consent rules, with primary-source citations on every numeric fact.
- 51 states currently published, growing toward all 50 states and the District of Columbia.
- Every numeric fact on each state page traces to a primary-source statute or official agency page.
Browse all currently published states, compare DUI laws in one table, or pick a state below.
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
How this site is authored
LegalLimit.com is an independent reference. State pages are authored under a multi-pass editorial process that prefers primary-source citations and omits claims that cannot be traced to a primary source. Read more about our editorial process.
This site provides reference information, not legal advice. If you face a charge, license suspension, court date, or any similar issue, contact a licensed attorney who practices in your jurisdiction. See our full disclaimer for details.