Effects of Blood Alcohol Concentration (BAC)
Information in this table shows the blood alcohol concentration (BAC) level at which the effect usually is first observed.
|Blood Alcohol Concentration (BAC)*||Typical Effects||Predictable Effects on Driving|
*This information has been gathered from a variety of sources including the National Highway Traffic Safety Administration, the National Institute on Alcohol Abuse and Alcoholism, the American Medical Association, the National Commission Against Drunk Driving, and http://www.webMD.com.
Even one drink impairs driving ability and increases the risk of a crash.
Help spread the word about the dangers of drunk driving. Visit the CDC Safe Driving Pinterest board for more ready-to-share graphics.
- Impaired Driving: Get the Facts
- Sobering Facts: Drunk Driving State Fact Sheets
- What Works: Strategies to Reduce or Prevent Drunk Driving
- Drunk Driving State Data
- Drunk Driving US Map
- Drunk Driving Death Rates US Map
- State-Based Motor Vehicle Data & Information
View and download dozens of motor vehicle datasets and visualizations, including charts and maps, on data.cdc.gov.
Motor Vehicle Prioritizing Interventions and Cost Calculator for States (MV PICCS)
CDC offers a new interactive calculator to help state decision makers prioritize and select from a suite of 12 effective motor vehicle injury prevention interventions. MV PICCS is designed to calculate the expected number of injuries prevented and lives saved at the state level and the costs of implementation, while taking into account available resources.
CDC's Safe Driving Board on Pinterest
Help spread the word about the dangers of drunk driving. Visit the CDC Safe Driving Pinterest board for ready-to-share graphics and social media content.