DUI

By Illinois. Office of Secretary of State

Subjects: Law and legislation, Drunk driving, Drugged driving, Drinking and traffic accidents

Description: It is illegal to operate a vehicle in Illinois with a blood-alcohol content (BAC) of .08 percent or greater. With additional evidence, a driver also can be convicted of DUI with a BAC in excess of .05. DUI also applies to driving under the influence of other drugs, including any legal or illegal substances that cause impairment, regardless of how they enter the body. A DUI is classified as a violent crime and is never expunged from a driver's record.