Recent Illinois DUI Law Changes
What changed, when it took effect, and who it affects.
July 1, 2025
Real-time reporting ignition interlocks required
The Secretary of State requires BAIID devices with real-time reporting. Devices installed on or after July 1, 2025 must comply, and every device in use had to comply by November 1, 2025.
Official sources
- 625 ILCS 5/11-501 — DUI
- 625 ILCS 5/2-118.1 — Statutory summary suspension hearing
- 625 ILCS 5/6-208.1 — Summary suspension periods
- 625 ILCS 5/6-514 — CDL disqualification
- 625 ILCS 5/11-502 — Transportation of alcoholic liquor
- 20 ILCS 2630/5.2 — Expungement and sealing
- Illinois Secretary of State — DUI Fact Book
- Illinois Secretary of State — History of Illinois DUI Laws
- Illinois Secretary of State — Zero Tolerance / Underage Drinking
- Illinois Secretary of State — SR-22 Requirement
- Illinois Secretary of State — Reinstatement of Driving Privileges (BAIID)
- Illinois Secretary of State — Drivers FAQ
- Illinois State Police — DUI Penalties
- 625 ILCS 5/11-501.01 — Additional administrative sanctions (DUI evaluation)
- Illinois Secretary of State — Monitoring Device Driving Permit (MDDP)
- Illinois Secretary of State — Alcohol- and Drug-Related Hearings
- 77 Ill. Adm. Code 2060.510 — DUI Evaluation
- 77 Ill. Adm. Code Part 2060 — Substance Use Disorder Intervention and Treatment Services
- Illinois Secretary of State — Breath Alcohol Ignition Interlock Device (BAIID)
- Illinois Secretary of State — Driver’s License Reinstatement Fees
- Circuit Court of Cook County — Traffic Section
- Circuit Court of Cook County — Traffic Courtroom Schedules
- Winnebago County Clerk of the Circuit Court
- Illinois Courts — Circuit Court Clerks by District and Circuit
Educational information, not legal advice. Illinois law changes and every case is different. Confirm deadlines with Illinois Secretary of State (suspension) and talk to a licensed Illinois attorney about your situation.
Some details on this page are still being verified against official sources. Check the linked sources before relying on a specific number or deadline.
Last reviewed October 1, 2026.