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U.S. Department of Health and Human Services Office of Disease Prevention and Health Promotion

Blood and Alcohol Concentration (BAC) Limits: Adult Operators of Noncommercial Motor Vehicles

About this resource:

HHS Non-systematic Review

Source: National Institute on Alcohol Abuse and Alcoholism

Last Reviewed: January 2019

Workgroups: Substance Use Workgroup

This webpage includes tools about laws related to blood alcohol concentration (BAC) limits. These laws apply to noncommercial drivers age 21 or older. The webpage features tables that include:

  • Policies listed by state as of specific dates
  • Policy changes over time 
  • Timeline of policy changes 
  • Specific BAC limits for each policy
  • Citations to legal sources

Users can sort and filter the tables by a variety of criteria. In addition to the tables, the webpage provides resources like:

  • Timeline of policy changes
  • Useful maps and charts
  • List of variables and other definitions to help understand the language used in the webpage
  • Detailed information about the policy these laws are based on
Read more about this resource

Objectives related to this resource (1)

Reduce the proportion of motor vehicle crash deaths that involve a drunk driver — SU‑11
Getting worse

Suggested Citation

1.

Alcohol Policy Information System. (n.d.). Blood and Alcohol Concentration (BAC) Limits: Adult Operators of Noncommercial Motor Vehicles. Retrieved from https://alcoholpolicy.niaaa.nih.gov/apis-policy-topics/adult-operators-of-noncommercial-motor-vehicles/12