Joe Kramer | Sep 15 2026 18:15
Illinois Comparative Negligence in Chicago Car Accident Claims
If you were partly at fault for a Chicago car accident, you may still be able to recover compensation. Under Illinois' comparative negligence rule, 735 ILCS 5/2-1116, you can recover damages when your share of fault is 50% or less, but your recovery is reduced by your percentage of responsibility. If you are found more than 50% at fault, Illinois law bars recovery from the other party.
Fault is rarely as straightforward as the other driver or an insurance adjuster makes it sound. At Kramer Injury Law LLC, we help injured people throughout Chicago identify the evidence that tells the complete story and fight unfair attempts to place blame where it does not belong.
What Is Comparative Negligence in Illinois?
Comparative negligence is the legal rule used when more than one person may have contributed to an accident. In a car crash claim, the question is not always simply, "Who caused it?" Instead, the parties may argue about how responsibility should be divided among the drivers and, in some cases, other people or entities.
Illinois follows a modified comparative negligence system. The key threshold is 50%. An injured person whose fault is not more than 50% can pursue damages. A person found more than 50% responsible cannot recover damages in a negligence claim.
This rule can affect claims involving rear-end collisions, intersection crashes, lane-change wrecks, distracted driving, speeding, rideshare collisions, and accidents on busy Chicago roadways such as the Dan Ryan Expressway or Lake Shore Drive. It can also matter when a driver admits making a mistake but another motorist's conduct was the primary cause of the crash.
How a Fault Percentage Changes Your Recovery
Your percentage of fault reduces your damages by the same percentage. For example, assume your total losses from a Chicago car accident, including medical bills, lost income, pain and suffering, and vehicle damage, equal $100,000.
- If you are found 10% at fault, your potential recovery would be reduced by $10,000, leaving $90,000.
- If you are found 35% at fault, your potential recovery would be $65,000.
- If you are found exactly 50% at fault, you may still recover $50,000.
- If you are found 51% at fault, you would be barred from recovering damages under the statute.
These examples are simplified, but they show why the fault percentage matters so much. A small change in the percentage can substantially change the value of a claim. At the 50%/51% line, it can determine whether a victim recovers anything at all.
Who Assigns Fault After a Chicago Car Accident?
Insurance companies often make an initial fault assessment during their investigation, but their determination is not necessarily the final word. If the claim does not settle and a lawsuit is filed, the evidence may be evaluated through litigation, and a judge or jury can determine the parties' respective shares of fault.
Police reports can be important, but they are only one part of the picture. Officers may arrive after the collision and may not have seen the crash occur. To make matters worse, sometimes our busy police force gets the liability assessment wrong. Witness statements, photographs, vehicle damage, video, roadway conditions, phone records, traffic-signal information, and expert analysis can all affect how fault is understood.
For that reason, you should be cautious about accepting an insurer's early conclusion, especially before you know what evidence exists. A conversation with a Chicago car accident lawyer can help you understand whether the proposed fault allocation is actually supported.
Common Insurance Company Tactics to Inflate Your Fault
Insurance adjusters may look for facts they can use to shift a larger share of blame to the injured person. Sometimes those arguments have merit. Other times, they rely on incomplete evidence, assumptions, or a version of events designed to reduce the insurer's payout.
Common tactics include:
- Focusing on a minor mistake while minimizing the other driver's conduct. An insurer may emphasize that you were slightly over the speed limit while downplaying another driver's unsafe turn, red-light violation, or distracted driving.
- Using a brief recorded statement against you. After a traumatic crash, it is easy to use imprecise language or speculate about what happened. Adjusters may characterize uncertainty as an admission of fault.
- Relying too heavily on a preliminary police report. Reports can contain errors, omit witnesses, or fail to capture important facts discovered later.
- Claiming you failed to avoid the collision. The insurer may argue that you should have braked, swerved, or reacted sooner, even when there was little time or space to respond safely.
- Questioning whether your injuries are related to the crash. Although this is not always a direct fault argument, it can be used to shrink the damages available after fault is apportioned.
Do not let an insurer pressure you into accepting blame or a low settlement before the facts are fully investigated. Statements and settlement documents can have lasting consequences for your claim.
How Kramer Injury Law LLC Builds the Evidence
At Kramer Injury Law LLC, we approach Chicago injury claims with the understanding that the details matter. We work to preserve and develop the proof needed to explain how the collision happened, who had the opportunity to prevent it, and how the crash changed our client's life. Depending on the circumstances, that work may include obtaining crash reports, locating and interviewing witnesses, securing photos and video before they disappear, examining vehicle damage, reviewing roadway and traffic-control conditions, and consulting qualified accident reconstruction professionals when appropriate. We also gather medical documentation and employment records to present the full scope of damages.
Our firm represents injured people directly with a high degree of attorney oversight. That attorney-led approach helps ensure that facts relevant to comparative negligence are not overlooked and that the insurance company is held to the evidence rather than allowed to rely on assumptions. Whether your injuries involve a car, truck, bicycle, or pedestrian collision, our Chicago personal injury attorneys can assess the facts and explain your options. We serve clients across Chicago and Cook, DuPage, Lake, Will, and Kane Counties.
What to Do If You Think You May Have Been Partly at Fault
First, get medical attention and follow your treatment plan. Your health comes first, and prompt documentation can also help establish the connection between the collision and your injuries.
Next, preserve what you can: photographs of the vehicles and scene, names and contact information for witnesses, dashcam footage, screenshots of relevant messages, and copies of correspondence from insurers. Avoid posting about the accident on social media, and do not guess about fault in recorded statements. You can report the basic facts, but it is wise to speak with counsel before providing a detailed recorded statement or accepting a settlement.
Most importantly, do not assume that being partly at fault means you have no case. Illinois law recognizes that accidents can involve shared responsibility. The real issue is whether the available evidence supports the percentage of fault the insurer is trying to assign.
FAQ
Can I recover damages if I was 50% at fault in Illinois?
Yes. Under 735 ILCS 5/2-1116, an injured person can recover when their fault is 50% or less. However, the award is reduced by that percentage, so a 50% fault finding reduces recoverable damages by half.
What happens if I am 51% at fault?
If you are found more than 50% at fault, Illinois' modified comparative negligence rule bars you from recovering damages from the other party in a negligence claim.
Can an insurance company decide I was at fault?
An insurer can take a position on fault during the claims process, but that position can be challenged. The final allocation may depend on the evidence developed in settlement negotiations or, if necessary, in court.
Should I admit fault after a Chicago crash?
It is best to avoid guessing or making broad admissions at the scene or in an insurer's recorded statement. You can do this accidentally, so it's always best to allow an attorney to represent you. Exchange required information, seek medical care, document the evidence, and get legal advice before making detailed statements about responsibility.
How can a lawyer help with comparative negligence?
A lawyer can investigate the crash, preserve evidence, challenge unsupported blame-shifting arguments, calculate your damages, negotiate with the insurer, and prepare the case for litigation when a fair resolution is not offered.
If you were hurt in a Chicago crash and an insurer is claiming you share the blame, Kramer Injury Law LLC is ready to review your case. Contact us for a free, 24/7 case evaluation at (312) 775-1012 or through our contact form. We charge no fee unless we win compensation for you.


