Illinois Compiled Statutes

The Illinois Offense Code Index is an independent, privacy-first legal and statutory reference tool indexing Illinois Secretary of State Police reporting codes and official Illinois Compiled Statutes (ILCS) citations across Chapter 625 (Vehicle Code) and Chapter 720 (Criminal Code).

Under 725 ILCS 5/110-6.1, detainable offenses fall into 5 core statutory categories: (1) Non-probationable forcible felonies (Murder, Class X felonies, Vehicular Hijacking, Home Invasion); (2) Domestic Violence offenses (Domestic Battery 720 ILCS 5/12-3.2, Aggravated Domestic Battery 12-3.3, and Violation of an Order of Protection 12-3.4); (3) Specific Firearm offenses (Armed Habitual Criminal, Aggravated UUW 24-1.6, and UUW by Felon); (4) Sex offenses; and (5) Any Class 3 Felony or higher where the defendant presents a high likelihood of willful flight.

Under Illinois Supreme Court Rule 551, a court appearance is mandatory for all Class A and Class B Misdemeanor traffic offenses (including Aggravated Speeding 26+ mph over limit under 625 ILCS 5/11-601.5, DUI under 11-501, and Driving While Suspended/Revoked under 6-303), leaving the scene of an accident involving injury, second open alcohol offenses, and uninsured vehicle crashes with personal injury.

In Illinois, speeding 1–25 mph over the limit is a petty offense ($164 standard fine). Speeding 26–34 mph over the limit is a Class B Misdemeanor (up to 6 months in jail, fine up to $1,500). Speeding 35+ mph over the limit is a Class A Misdemeanor (up to 364 days in jail, fine up to $2,500). Both Class A and B offenses require mandatory court appearance under Rule 551.

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