Illinois has a law against Driving Under the Influence (DUI) of alcohol or drugs. 625 ILCS 5/11-501 and following. Some people are surprised to learn that they can be arrested for DUI in Illinois even if they are involved in a crash in which they are the only ones injured.
There are several different types of DUI in Illinois. 625 ILCS 5/11-501(a) provides as follows: (a) A person shall not drive or be in actual physical control of any vehicle within this State while:
(1) the alcohol concentration in the person’s blood or breath is 0.08 or more based on the definition of blood and breath units in Section 11-501.2 [625 ILCS 5/11-501.2];
(2) under the influence of alcohol;
(3) under the influence of any intoxicating compound or combination of intoxicating compounds to a degree that renders the person incapable of driving safely;
(4) under the influence of any other drug or combination of drugs to a degree that renders the person incapable of safely driving;
(5) under the combined influence of alcohol, other drug or drugs, or intoxicating compound or compounds to a degree that renders the person incapable of safely driving; or
(6) there is any amount of a drug, substance, or compound in the person’s breath, blood, or urine resulting from the unlawful use or consumption of cannabis listed in the Cannabis Control Act [720 ILCS 550/1 et seq.], a controlled substance listed in the Illinois Controlled Substances Act [720 ILCS 570/100 et seq.], an intoxicating compound listed in the Use of Intoxicating Compounds Act [720 ILCS 690/0.01 et seq.], or methamphetamine as listed in the Methamphetamine Control and Community Protection Act [720 ILCS 646/1 et seq.