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Southern Illinois DUI Defense Lawyers Who Protect Your License and Your Record

A DUI charge in Illinois is really two cases at once: a criminal charge that can mean jail, fines, and a permanent record, and a separate Secretary of State action that suspends your driver’s license 46 days after your arrest. You have only a short window to fight the suspension. An experienced DUI lawyer handles both at the same time.

A DUI arrest does not have to define the rest of your life. People make one mistake, get pulled over on the way home, or fail a roadside test they were never going to pass, and suddenly they are facing a criminal record and the loss of the license they need to get to work. The State has a prosecutor and a police report. You deserve someone in your corner who fights DUI cases every day.

The attorneys at Olson & Reeves were born and raised in Southern Illinois, and the people we defend are our neighbors. We defend drivers charged with DUI across the region, from Jefferson County and Mt. Vernon to Marion, Carbondale, Centralia, Effingham, and the small towns along I-57 and I-64. DUI attorney Josh Reeves personally reviews your case, explains your options in plain language, and tells you honestly what you are facing. The consultation is free, and we quote a flat fee up front so you know the cost from the start.

This page is a complete guide to DUI law in Illinois. It explains the penalties, the license suspension, the tests the police use, the defenses that work, the court process, and how to get your license back. If you would rather just talk it through, call us at (618) 316-7322 for a free consultation.

The Two Parts of Every Illinois DUI Case

When you are charged with a DUI in Illinois, you are not facing one case, you are facing two. They run on separate tracks, follow different rules, and carry different consequences, but each one affects the other. Understanding the difference is the first step to protecting yourself.

1. The Criminal Case

The criminal case is the charge itself, brought by the State under 625 ILCS 5/11-501. This is the part that can put a conviction on your permanent record, impose fines, and in serious cases lead to jail or prison. It moves through the circuit court with a first appearance, pretrial dates, and either a negotiated plea or a trial. A conviction here also triggers a separate, longer revocation of your driving privileges, which is worse than a suspension because there is no automatic end date.

2. The Administrative License Case

At the same time, the Illinois Secretary of State takes its own action against your license called a Statutory Summary Suspension. This is automatic and civil, not criminal. It happens because of the chemical test, not because of any conviction, which means your license can be suspended even if your criminal DUI is later dismissed or reduced. The suspension takes effect 46 days after your arrest, and the only way to stop it is to file a petition in court in time. Because these two cases interact, you want one lawyer handling both, so the strategy in one does not quietly damage the other.

Illinois DUI Penalties: Fines, Jail, and License Consequences

Illinois punishes DUI more harshly with each offense. A first DUI is a misdemeanor, but the penalties climb quickly, and a third DUI is a felony. The chart below summarizes the general penalties at each level. Aggravating factors, discussed in the next section, can increase any of these. No lawyer can promise a specific result, but knowing the range helps you understand what is at stake.

Offense	Classification	Possible Incarceration	Maximum Fine	License Consequence
First	Class A Misdemeanor	Up to 364 days in jail	$2,500 + costs	Min. 1-year revocation on conviction (supervision avoids it)
Second	Class A Misdemeanor	Up to 364 days, with a mandatory minimum of 5 days jail or 240 hours community service	$2,500 + costs	Min. 5-year revocation on conviction
Third	Class 2 Felony (Aggravated)	3 to 7 years prison (up to 14 with aggravators)	$25,000 + costs	Min. 10-year revocation
Fourth	Class 2 Felony (Aggravated)	3 to 7 years prison (non-probationable)	$25,000 + costs	Lifetime revocation
Fifth	Class 1 Felony (Aggravated)	4 to 15 years prison (non-probationable)	$25,000 + costs	Lifetime revocation
Sixth or More	Class X Felony (Aggravated)	6 to 30 years prison (non-probationable)	Lifetime revocation

A key point for first-time offenders: a first DUI does not have to end in a conviction at all. Through court supervision, explained further below, a first offender can often complete the case with no conviction entered and the license kept. That option disappears once you have a prior DUI, which is why what happens on a first charge matters so much.

Aggravated DUI: When a DUI Becomes a Felony in Illinois

Most DUIs start as misdemeanors, but certain facts turn a DUI into Aggravated DUI, a felony under 625 ILCS 5/11-501(d). The most common aggravating circumstances include:

• A third or subsequent DUI. The DUI becomes a felony regardless of the other facts.
• A crash that causes great bodily harm or death. These are the most serious DUI cases and carry the longest sentences. If someone was hurt, see our DUI accidents and injuries page.
• Driving on a suspended or revoked license, or with no license or insurance.
• A DUI in a school zone involving an accident, or while driving a school bus with passengers.
• A second or later DUI while transporting a child under 16.

Even a first-offense misdemeanor DUI carries mandatory enhancements in some situations. A BAC of 0.16 or higher on a first offense adds a mandatory minimum fine of $500 and 100 hours of community service. Driving with a passenger under 16 adds a mandatory minimum fine of $1,000 plus jail or community service. Because a felony conviction changes everything, from your freedom to your right to vote in some circumstances to your career, these cases demand an aggressive, detailed defense. Learn more on our multiple and felony DUI page.

The Statutory Summary Suspension and Your Driver’s License

For most people, losing the ability to drive is the most immediate fear after a DUI arrest, and for good reason. In Southern Illinois, where jobs, doctors, and family can be a long drive apart, a suspended license can cost you your livelihood. The Statutory Summary Suspension is the automatic license penalty that follows a failed or refused chemical test under 625 ILCS 5/11-501.1, Illinois’s implied-consent law. By driving on Illinois roads, you have already agreed to be tested if lawfully arrested for DUI.

How Long Your License Is Suspended

The length of the suspension, set by 625 ILCS 5/6-208.1, depends on two things: whether you are a first offender (no DUI or summary suspension in the last 5 years) and whether you failed or refused the test.

• First offender who fails the test: 6-month suspension.
• First offender who refuses the test: 12-month suspension.
• Not a first offender, fails the test: 12-month suspension.
• Not a first offender, refuses the test: 36-month suspension.

Notice that refusing the test leads to a longer suspension than failing it. Whether refusal helps or hurts your overall case depends on the facts, and it is one of the first things we analyze.

The 46-Day Clock and the Petition to Rescind

The suspension takes effect 46 days after the date of the notice, automatically, with no hearing. You can fight it, but you must act. You have 90 days from the notice to file a Petition to Rescind the Summary Suspension, and once filed, the court must set a hearing, generally within 30 days. At that hearing the burden is on you, not the State, which is unusual, but a skilled lawyer can win it by showing the stop was unlawful, the officer lacked reasonable grounds, the warnings were improper, or the testing was flawed. A common and costly myth is that getting the DUI dismissed automatically clears the suspension. It does not. The two are separate, and the suspension stands unless you challenge it in time. Time is of the essence.

Driving Again: MDDP and the BAIID

A first offender is usually not stuck without any way to drive. After 30 days of the suspension, a first offender can obtain a Monitoring Device Driving Permit (MDDP) that allows driving anywhere, at any time, as long as the vehicle has a Breath Alcohol Ignition Interlock Device (BAIID) installed. A BAIID is a small breathalyzer wired to the ignition; the car will not start if it detects alcohol. The driver pays for installation and monitoring, and the Secretary of State tracks the device. Drivers who refused the test do not qualify for an MDDP, which is one more reason the refuse-or-test decision matters so much.

Types of DUI Cases We Handle in Southern Illinois

No matter the type of DUI or how many you have had, we are ready to defend you. The DUI cases we handle across Southern Illinois include:

• First Offense DUI – the best chance to avoid a conviction through court supervision.
• Second, Multiple, and Felony DUI – higher stakes that demand a detailed, aggressive defense.
• DUI Accidents and DUI With Injuries – often charged as aggravated DUI.
• Drug DUI and Cannabis DUI – including prescription medication and marijuana cases.
• DUI for CDL Holders – where a conviction can end a commercial driving career.
• Underage Driver DUI – charged under Illinois’s zero-tolerance law.
• BUI (Boating Under the Influence) – common on Rend Lake and other area waters.
• Driver’s License Reinstatement – getting your license back after a suspension or revocation.

Ready to talk to a lawyer about your case? Get your free consultation now.

Where We Handle DUI Cases in Southern Illinois

Our DUI defense attorneys represent drivers across Southern Illinois. While we are based in Mt. Vernon, we regularly handle DUI cases throughout the region, including in these counties:

Southern Illinois Counties We Serve	Southern Illinois Counties We Serve
Bond County	Clay County
Clinton County	Crawford County
Edwards County	Effingham County
Fayette County	Franklin County
Hamilton County	Jackson County
Jefferson County	Johnson County
Lawrence County	Marion County
Massac County	Perry County
Pulaski County	Randolph County
Richland County	Saline County
Union County	Wabash County
Washington County	Wayne County
White County	Williamson County

DUI charges also overlap with related areas we handle. If your case involves other charges, see our Southern Illinois criminal defense page, and for tickets and moving violations, our Southern Illinois traffic lawyers page.

Field Sobriety and Chemical Tests, and How We Challenge Them

A DUI case is built on evidence, and that evidence is often far weaker than the police report makes it sound. Much of our work is finding and exposing the flaws in how the tests were given and scored.

The Three Field Sobriety Tests

The Standardized Field Sobriety Tests are set by the National Highway Traffic Safety Administration (NHTSA) and must be given exactly as trained, or the results are unreliable. The Horizontal Gaze Nystagmus (HGN) test watches for involuntary eye jerking and is the most accurate of the three, yet it has more than two dozen steps that officers frequently get wrong. The Walk-and-Turn and One-Leg Stand are divided-attention tests with accuracy rates below 70 percent even when done correctly. Bad weather, uneven pavement, the wrong footwear, nerves, age, weight, and injuries all cause sober people to fail. You also have the right to politely decline these roadside tests, and doing so removes a major source of evidence against you.

Breath, Blood, and What “BAC” Means

BAC stands for Blood Alcohol Concentration, the percentage of alcohol in your blood. The legal limit in Illinois has been 0.08 since 1997. But a number on a machine is not the last word. Breathalyzers must be calibrated and maintained on a strict schedule; a device that is out of certification, or that an officer operated incorrectly, can produce a falsely high reading. Blood tests can be tainted by improper draw, storage, or chain-of-custody errors, or by fermentation in the sample. We obtain the maintenance logs, the officer’s certifications, and the testing records, and we move to suppress results that were not properly obtained. Under 625 ILCS 5/11-501.2, the rules for admitting chemical evidence are specific, and the State does not always follow them.

What Happens If You Refuse

Refusing the chemical test triggers a longer license suspension and, for a first offender, blocks the MDDP. But a refusal also denies the State a clean BAC number, which can make the criminal case harder to prove. Whether a refusal helps or hurts is fact-specific. What matters now is making the most of the situation you are in, and that starts with a careful review of exactly what the officer said and did.

Drug DUI and Cannabis DUI in Illinois

A DUI is not only about alcohol. Driving under the influence of drugs, including legal cannabis and lawfully prescribed medication, is also a DUI. Illinois law reaches drug impairment in three main ways: driving under the influence of an intoxicating compound under 625 ILCS 5/11-501(a)(3) and (a)(4), and the “any amount” rule for illegal controlled substances under (a)(6).

Cannabis has its own per se rule under 625 ILCS 5/11-501(a)(7): it is illegal to drive with 5 nanograms or more of THC per milliliter of whole blood, or 10 nanograms or more in another bodily substance, within two hours of driving. The catch is that THC can linger in the body for days or weeks after any actual impairment is gone, so a positive test does not mean you were high behind the wheel. Registered medical-cannabis patients are exempt from the per se limit but can still be charged if impairment is shown. Because the science is genuinely contestable, these are among the most defensible DUI cases, and an experienced lawyer knows where the weak points are. See our drug DUI page for more.

Underage DUI and Illinois Zero-Tolerance Law

Illinois is a zero-tolerance state for drivers under 21. Under 625 ILCS 5/11-501.8, any trace of alcohol in an underage driver’s system can suspend their driving privileges, even if the BAC is well under 0.08. A failed test under zero tolerance brings a 3-month suspension; a refusal brings a 6-month suspension. If the young driver’s BAC reaches 0.08, they face a full DUI on top of the zero-tolerance penalties.

A DUI on a young person’s record can follow them into college admissions, scholarships, job applications, and insurance rates for years. The good news is that there are often strong defenses and, for many first-time underage cases, paths that protect the young person’s future. If your son or daughter has been arrested, we handle these cases with care on our underage DUI page, and we are glad to walk parents through the options.

Common DUI Defenses

A DUI charge is not a conviction, and an arrest is not proof. Every DUI case has potential defenses; the question is which ones fit your facts. Some of the most effective include:

• The stop was illegal. An officer needs a valid reason to pull you over. No lawful basis for the stop can mean the entire case is thrown out.
• No probable cause to arrest. Bloodshot eyes or the smell of alcohol, without more, may not justify an arrest.
• The field sobriety tests were done wrong. Tests not given to NHTSA standards are not reliable evidence.
• The breath or blood test is flawed. Calibration failures, maintenance gaps, operator error, and chain-of-custody problems can all undermine the result.
• A medical explanation. Diabetes, acid reflux, neurological conditions, and certain medications can mimic intoxication or skew a test.
• Rising blood alcohol. Your BAC may have been legal while driving and only climbed above the limit later, by the time you were tested.

We do not guess. We get the bodycam and squad video, the reports, and the test records, and we build the defense the evidence supports.

What to Expect: The Illinois DUI Court Process

Not knowing what comes next is part of what makes a DUI so stressful. Here is the path most Southern Illinois DUI cases follow.

Arrest and First Appearance

After the arrest, your case is set for a first appearance you must attend, or a warrant can issue. The judge will ask how you intend to handle a lawyer. Expect several court dates over the life of a DUI, especially with a private attorney handling it thoroughly.

Discovery

At pretrial and status hearings, your attorney and the prosecutor report on negotiations, discovery, and whether the case is heading for trial. Discovery is where we obtain and dissect the State’s evidence: officer bodycam and squad-car video, the field sobriety recording, breath or blood results, booking footage, and the police reports. This is where cases are won or lost, because it is where the flaws come to light.

Plea or Trial

Most DUI cases resolve before trial, either through dismissal when the State’s evidence is weak or through a negotiated outcome. We negotiate hard for the best possible result and explain every term before you ever stand in front of a judge. When the State will not be fair, we are prepared to take the case to a jury, where twelve people from the community decide.

Court Supervision vs. Probation vs. Conditional Discharge

How a DUI case ends matters as much as whether you “win.” The three common dispositions are very different.

Court supervision is the best realistic outcome short of dismissal. It is not a conviction. If you complete the terms, the court dismisses the DUI, and your license is not revoked. You can receive DUI supervision only once in your lifetime in Illinois, and only on a misdemeanor, which is exactly why protecting a first offense is so important.

Probation requires you to follow strict conditions, such as no new offenses, drug testing, and meetings with a probation officer. Critically, probation is a conviction, which means a DUI on probation revokes your license and stays on your record.

Conditional discharge is similar to probation but without an assigned probation officer. Like probation, it is still a conviction and still triggers a license revocation. The difference between supervision and the other two is the difference between moving on with your life and carrying a permanent DUI, which is why we fight for supervision wherever it is available.

Evaluation, Treatment, and the Victim Impact Panel

Anyone arrested for DUI in Illinois must complete a drug and alcohol evaluation before sentencing or a plea, under 625 ILCS 5/11-501.01. The evaluation reviews your alcohol and drug history and BAC to assign a risk level, from minimal to high, which determines how much DUI education or treatment is required. Most courts also require a Victim Impact Panel (VIP), often run by Mothers Against Drunk Driving (MADD), where offenders hear from people affected by impaired driving. Many panels are now offered online through the MADD online VIP program.

For those needing to complete a drug and alcohol evaluation in Southern Illinois, we highly recommend using is Thompson Counseling Services in Mt. Vernon, Illinois with counselor Amanda Garrison, LCPC, CADC. There office is located at 4230 Lincolnshire Dr. Suite E, Mt. Vernon, IL 62864, (618) 242-4290. We will tell you what your court requires and help you stay ahead of it, so a missed step never becomes a new problem.

Getting Your License Back: Reinstatement and Hearings

If your license has been revoked after a DUI conviction, getting it back is a process, not an automatic event, and it runs through the Secretary of State. Depending on your record, you will go through either an informal or a formal hearing.

An informal hearing is a walk-in process at certain Secretary of State facilities, used for less serious losses such as a single DUI not involving a death. A formal hearing is required after multiple DUIs or a fatality. It is a sworn, recorded proceeding where your evaluation, treatment, and testimony are scrutinized, and it is held at only four locations in the state: Springfield, Chicago, Joliet, and right here in Mt. Vernon. Being one of the few firms practicing where Southern Illinois drivers actually have their formal hearings is a real advantage for our clients. Our license reinstatement attorneys prepare you for every question and document the hearing officer will expect.

Why You Shouldn’t Rely on a Public Defender for a DUI

If you qualify, the court may appoint a public defender for the criminal charge. Public defenders are capable lawyers, but there is a structural gap you need to understand: a public defender cannot represent you on the license side of your case. The Statutory Summary Suspension and reinstatement are civil, administrative matters, outside the public defender’s role, so the part of your case that keeps you on the road goes unhandled. A privately retained DUI lawyer fights both at once, challenging the suspension, petitioning to rescind, and defending the criminal charge as one coordinated strategy. When your ability to drive and your record are both on the line, that coordination is the whole point.

Why Choose Olson & Reeves, and Why Local Representation Matters

DUI cases are decided in local courtrooms, in front of local judges, under local procedures, and there is real value in a lawyer who practices here every week. We know the Jefferson County Courthouse and the courthouses across the region, and we handle appeals when needed at the Fifth District Appellate Court. That familiarity is about procedure and preparation, not special treatment, and it helps a case move the way it should.

Just as important, we were born and raised here, and the roads, the towns, and the people are ours too. When you hire us, attorney Josh Reeves handles your case personally. You get honest answers, a flat fee quoted up front with no hourly billing and no surprises, affordable payment plans, and a lawyer who treats your case like it matters, because it does. We also keep two offices for your convenience, in Mt. Vernon and Centralia, and we can come to you or meet by video if that is easier.

Still Not Sure? See What Our Former Clients Say!

• Janica S. – “Olson & Reeves are fantastic! Their staff is super friendly and also very responsive!! As far as the services provided from Josh (he’s a character lol) but a great one easy to work with and made sure to try to get the best sentence! Highly recommend this law firm for ANY dui cases in Southern IL!!!”
• Mindy E. – “This was the best experience dealing with Mr. Reeves during my DUI case. Very responsive and kept me in the loop. I would highly recommend him to anyone.”
• Brad R. – “Josh Reeves represented me on my dui case. He is down to earth and worked with me on his fees. He was up front about the challenge of my case and told me the best and worst case scenario. Mr Reeves got me the best outcome. He saved my cdl and livelihood. I highly recommend him if you find yourself needing a dui lawyer.”
• Steven L. – “Contacted Olson & Reeves about one to two days after getting a DUI ticket and they were very quick to respond and cut to the chase about what could and couldn’t be done. Granted it was my first and I really didn’t know what needed to be done or expect but I dealt with Reeves and he managed to get me a great deal. Would give a 6/5 star.”
• Mary H. – “I was directed to Mr Reeves by way of a referral and I am so glad I was. From the first meeting to the last he was knowledgeable, professional, quick witted and knew exactly how he wanted to proceed given any instance that could arise. I pray I won’t ever need to call him in a professional manner in the future but if I ever need a lawyer I already have his number.”
• Brandon S. – “Josh Reeves was really helpful with my DUI case. Got me a very fair deal. I recommend that guy to anyone. It was a very smooth process with him.”
• Gabriela V. – “Very, very, very satisfied, best Attorney and staff ever. Josh and staff are very knowledgeable and i will recommend to other people.”
• Chad D. – “Best results that I ever had from a attorney! Highly Recommend!”
• Nancy T. – “Josh Reeves went above and beyond to get me a fair outcome on my traffic ticket case. He took the time to explain everything and saved me from having to take off of work for the day for court. I had called different attorneys prior and ended up selecting Josh. He was thorough in explaining everything to me from start to finish. Go with the best, call him and his firm first if you want the best outcome possible. I’d use them again in a heartbeat!!”

Check Out All Of Our Google Reviews Here!

Past results do not guarantee a similar outcome. Every case is different.

DUI in Illinois: The Numbers

DUI enforcement in Illinois is heavy, and the consequences reach far more people than most realize. According to the Illinois Secretary of State DUI Fact Book (2025 edition, reporting 2024 data), the Secretary of State recorded 22,145 DUI arrests across Illinois in a single year. About 90 percent of eligible drivers arrested for DUI lost their driving privileges through the Statutory Summary Suspension, a reminder of how automatic the license penalty is. At the same time, 87 percent of those arrested were first-time offenders, the very group most likely to qualify for court supervision and keep a clean record with the right defense. The takeaway is simple: a DUI arrest is common, the license consequences are nearly automatic, and what you do next has an enormous effect on the outcome.

Frequently Asked Questions About DUI Defense in Illinois

Arrested for a DUI in Southern Illinois? Protect Your Driver’s License and Record Today!

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