To preserve safe roadways across the state, Illinois law prohibits driving under the influence (DUI) of alcohol or drugs. Additionally, even if a person is completely sober, Illinois law also bars people from driving recklessly or dangerously. If convicted for either DUI or reckless driving, Illinois law mandates serious criminal penalties, including but not limited to jail or prison time, fines, and probation.
Driving Under the Influence (DUI)
The Illinois definition of DUI appears in 625 ILCS 5/11-501. A person is guilty of DUI if he or she operates a motor vehicle with a blood-alcohol concentration (BAC) of 0.08 or more. It also qualifies as DUI if a person drives dangerously because he or she is:
Under the influence of alcohol;
Under the influence of any intoxicating compound(s);
Under the influence of any controlled substance(s);
Under the combined influence of alcohol, intoxicating compounds, and/or controlled substances.
Under Illinois law, [...]