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Criminal Law

DUI and DWI Charges Explained

Driving Under the Influence (DUI) or Driving While Intoxicated (DWI) is the crime of operating a motor vehicle while impaired by alcohol or drugs.

Understanding DUI/DWI

Most states set the legal limit at 0.08% blood alcohol concentration (BAC), with lower limits for commercial drivers and zero tolerance for underage drivers. Penalties include license suspension, fines, ignition interlock devices, and imprisonment for repeat offenders.

Examples

  • 1First-offense DUI with 0.10% BAC
  • 2Felony DUI causing injury to another person
  • 3Commercial driver with 0.04% BAC
Last updated: January 24, 2026
Reviewed by: Quilia Legal Content Team

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