DUI is the acronym for driving under the influence. DUI describes the crime of operating a motor vehicle while being impaired by alcohol or drugs. DUI will vary depending on whether you are a 1st, 2nd, 3rd, or multiple offender and will also include classifications relating to aggravating circumstances such as injury/death as a result of driving under the influence.

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Alternative Meanings:
  • DUI

    (Driving while intoxicated) the operation of a motor vehicle while intoxicated (under the influence of alcohol to the point of impaired control over one’s conscious faculties).   In Pennsylvania, an impaired person’s blood-alcohol concentration is 0.08 percent or above (0.01 percent for a minor). This term also covers driving while under the influence of drugs.