DUI Court Process in Illinois

What to Expect: Step by Step

The Illinois DUI court process typically takes 3-6 months from arrest to resolution. Here's what happens at each stage—and what Andy Sotiropoulos does behind the scenes to build your defense throughout.

How Long Does DUI Court Take in Illinois?

Most Illinois DUI cases take three to six months from the arrest to the final resolution. The first court date, the arraignment, is usually set two to four weeks after the arrest, and the case then moves through evidence exchange, pretrial motions, and negotiation before it is resolved. Cases involving felony charges, contested evidence, or a trial take longer than that.

Measured against the stages described below, a typical Illinois DUI timeline runs like this:

• Arrest and pretrial release: day one, with a first court date usually two to four weeks out
• Arraignment: weeks two to four
• Discovery: weeks four to eight
• Pretrial motions: weeks eight to sixteen
• Trial or resolution: months three to six and beyond

Negotiation with the prosecutor is not a separate block on that calendar. It runs alongside the other stages, from the point the evidence has been reviewed through to the resolution of the case.

How Many Court Dates Will a DUI Case Have?

A typical Illinois DUI case involves three to six court appearances spread over several months. Those appearances are normally the arraignment, one or more status hearings, any motion hearings, and the final disposition. For some of these dates your attorney can appear on your behalf. Cases that go to trial, and complex cases generally, require more appearances than that.

Stage 1: Arrest & Pretrial Release (Day 1)

After arrest, you're processed (fingerprints, booking photos, BAC testing). Illinois abolished cash bail in 2023 under the Pretrial Fairness Act (725 ILCS 5/110-1.5), so for a typical DUI you are released without posting money—usually on your own recognizance with conditions of pretrial release. You receive a court date, usually 2-4 weeks out. Your license is confiscated and replaced with a temporary driving receipt that lets you drive until the suspension takes effect on the 46th day (625 ILCS 5/11-501.1(f), (g)).

What to do now: Follow the first 24 hours checklist—write everything down, gather paperwork, and call an attorney.

Stage 2: Arraignment (Week 2-4)

Your first court appearance. The judge reads the charges, you enter a plea (almost always "not guilty" at this stage), and your conditions of pretrial release are confirmed. This is typically brief. Your attorney should be present and may begin negotiating with the prosecutor.

In DuPage County (18th Judicial Circuit in Wheaton), arraignment is usually in Traffic Court. Will County (12th Judicial Circuit in Joliet) handles DUI arraignments similarly. Andy practices in both courthouses and can tell you exactly what to expect.

Stage 3: Discovery (Weeks 4-8)

Discovery is the evidence exchange phase. Your attorney requests all evidence the prosecution intends to use:

• Police reports and arrest documentation
• Dashcam and bodycam video
• Breathalyzer calibration and maintenance records
• Blood test lab results and chain of custody
• Officer training records and certifications
• 911 call recordings and dispatch logs

This is where cases are won or lost. Andy reviews every piece of evidence looking for procedural errors, testing inconsistencies, and constitutional violations. With 3,000+ cases behind him, he knows exactly where to look.

Stage 4: Motions (Weeks 8-16)

Based on discovery review, your attorney may file pretrial motions:

• Motion to suppress evidence: If the traffic stop lacked reasonable suspicion, or if testing was conducted improperly, evidence may be excluded
• Motion to rescind statutory summary suspension: A written request filed within 90 days after the notice of suspension is served, under 625 ILCS 5/2-118.1(b), to challenge your license suspension at a hearing
• Motion to dismiss: If evidence is insufficient or constitutional rights were violated
• Discovery motions: If the prosecution hasn't produced all required evidence

Successful motions can result in case dismissal or significantly weaken the prosecution's case, leading to better negotiation outcomes.

Stage 5: Negotiation (Ongoing)

Throughout the process, your attorney negotiates with the prosecutor. Options include:

• Court supervision: No conviction on your record if completed successfully (first offenders only)
• Charge reduction: Reduced charges with lesser penalties
• Dismissal: Based on weak evidence or successful motions
• Plea agreement: Negotiated terms for guilty plea with agreed sentence

Having an attorney who will actually go to trial—and who prosecutors know will go to trial—produces better negotiation results. Andy doesn't just plead cases out. He investigates, challenges, and fights.

Stage 6: Trial or Resolution (Months 3-6+)

Most DUI cases resolve through negotiation. But if the prosecution won't offer an acceptable resolution, trial is always an option. In Illinois, DUI trials can be bench trials (decided by the judge) or jury trials. Your attorney will advise on which is better for your specific case.

If supervision is granted, you'll need to complete a DUI evaluation, alcohol education or treatment, pay fines, and comply with all conditions. Successful completion means no conviction on your record.

The License Hearing: A Parallel Track

Your license suspension hearing runs on a separate timeline from the criminal case. The petition to rescind must be filed within 90 days after the notice of suspension is served (625 ILCS 5/2-118.1(b)), and the hearing is held in the circuit court of venue. This is an important opportunity to challenge the suspension and potentially keep your driving privileges.

See also: Illinois license reinstatement attorney.

How Long a DUI Case Takes in Illinois: The Clocks Set by Law

An Illinois DUI arrest starts two separate cases with two separate timelines. The license case runs on fixed statutory deadlines that do not wait for the criminal case. The criminal case runs on a speedy-trial clock that, for most people, does not start until they ask for it. That difference is the reason a DUI "takes 3 to 6 months" for one person and a year for another.

Track one: the license clock (statutory summary suspension)

Day 46 — suspension begins. If you failed or refused chemical testing, the officer serves a notice of statutory summary suspension at the time of arrest. Under 625 ILCS 5/11-501.1(g), the suspension is self-executing: it takes effect on the 46th day after that notice, whether or not the criminal case has moved at all. The notice itself serves as a driving receipt for the 45 days before that.

If the arrest was in the last few days, read what to do right after your arrest first.

Day 90 — last day to challenge the suspension. Under 625 ILCS 5/2-118.1(b), a written request for a judicial hearing (a petition to rescind) must be filed in the circuit court within 90 days after the notice was served. The petition must state the grounds on which rescission is sought.

30 days after filing — the hearing. The same section requires the court to hold the hearing within 30 days after receiving the petition, or on the first appearance date on the DUI ticket, whichever applies. Filing the petition does not pause the suspension: if day 46 arrives before the hearing, the suspension takes effect and the hearing decides whether it is lifted.

See also: CDL DUI in Illinois and underage DUI in Illinois.

Track two: the criminal clock (speedy trial)

In custody — 120 days. Under 725 ILCS 5/103-5(a), a person held in custody must be tried within 120 days from the date custody began. This clock starts automatically. It stops for delay caused by the defendant, and a delay counts as agreed to unless the defendant objects with a written or on-the-record oral demand for trial.

On pretrial release — 160 days from demand. Under 725 ILCS 5/103-5(b), a person on pretrial release or recognizance must be tried within 160 days from the date the defendant demands trial. The demand must be in writing. Until a demand is filed, this clock is not running. Because Illinois abolished cash bail in 2023, nearly every DUI defendant is on pretrial release, which is why the 160-day clock, not the 120-day clock, governs most DUI cases.

Extensions available to the State. Under 725 ILCS 5/103-5(c), if the court finds the State has used due diligence and material evidence is still outstanding, it may continue the case for up to 60 additional days — or up to 120 additional days where the outstanding evidence is DNA testing.

What happens when the clock runs out. Under 725 ILCS 5/103-5(d), a person not tried within the applicable period must be discharged from custody or released from the obligations of pretrial release.

Why most DUI cases run past the statutory clocks

The speedy-trial statute sets a ceiling, not a schedule. Every continuance the defense requests or agrees to stops the clock, and most DUI cases move through several continuances — waiting on squad-car video, breath-instrument records, lab results, or motion hearings. A case with no defense continuances and a written demand for trial on day one runs on the 160-day clock. A case with agreed continuances runs on the court's calendar instead, which in DuPage, Cook, Will, and Kane counties commonly means the 3-to-6-month range for a first-offense misdemeanor and longer where there are contested motions or a felony charge. See also: DUI Defense for Healthcare Professionals.

See also: DUI defense for business executives.

Related Topics: First 24 Hours After Arrest • DUI Evaluation Guide • How to Beat a DUI • DUI Penalties • Plea Bargain Options • DUI Lawyer Cost • Service Areas