
Every state in the U.S. has a certain type of insurance system for handling car accident claims. Some follow a “no-fault” model, while others use an “at-fault” or even a “choice no-fault” framework.
Illinois is an at-fault state, meaning that the driver responsible for causing the accident (or their insurance company) must pay for the damages that result. However, learning about how no-fault systems work and how they differ from Illinois’s rules can help you better navigate your claim after a crash.
What Is No-Fault Insurance?

Under a no-fault system, each driver turns to their own insurance coverage for compensation after a car accident, regardless of who caused it. The goal is to reduce lawsuits and ensure that injured drivers receive money quickly for immediate expenses like medical care and lost income.
In a no-fault state, every driver must carry personal injury protection (PIP) coverage. This insurance pays for:
- Medical expenses related to the accident
- Lost wages while you recover
- Some out-of-pocket expenses, such as transportation to doctor appointments
While this might seem like the better system on the surface, PIP coverage doesn’t pay for things like non-economic damages, and it may not be enough to cover your other losses, either. Those damages can only be pursued in limited circumstances, usually when injuries meet a certain “serious injury” threshold defined by state law.
What Is At-Fault Insurance?
In an at-fault insurance system like what Illinois has, the driver who causes the crash is financially responsible for the resulting damages. This is sometimes referred to as a “tort-based” system because it’s based on negligence law, meaning the concept that the at-fault party must make the injured person “whole” again.
After an accident in Illinois, victims have three potential options for pursuing compensation:
- File a claim with the at-fault driver’s insurance company (a third-party claim)
- File a claim with your own insurer if you have coverage such as medical payments (MedPay) or uninsured/underinsured motorist protection
- File a personal injury lawsuit in civil court if the insurer refuses to offer a fair settlement
In this system, proving fault is essential. You and your attorney must show that the other driver’s negligence directly caused your injuries and losses. Once liability is established, the at-fault driver (or their insurer) must cover all compensable damages.
What Does Illinois Law Require for Auto Insurance?
Under Illinois law (625 ILCS 5/7-601), every driver must carry a minimum amount of liability coverage to drive legally. This coverage pays for injuries or damage you cause to others.
The current minimum required limits are:
- $25,000 for bodily injury or death per person
- $50,000 for bodily injury or death per accident (if multiple people are injured)
- $20,000 for property damage per accident
Drivers are also required to carry uninsured motorist coverage in the same minimum amounts. This coverage helps protect you if you’re hit by a driver with no insurance or insufficient coverage.
How Fault Works in Illinois Car Accident Cases
The concept of negligence usually forms the basis of a car accident claim in an at-fault state like Illinois. Negligence essentially means failing to exercise reasonable care under the circumstances.
Common examples include:
- Speeding
- Tailgating
- Texting while driving
- Running a red light or stop sign
- Driving under the influence
If another driver’s negligence caused your accident, you can pursue compensation for both economic and non-economic damages, including:
- Medical expenses
- Lost wages
- Property damage
- Pain and suffering
- Emotional distress
Illinois also follows a modified comparative negligence law with a 51% bar that applies to these cases. That means you can still recover compensation if you’re partly at fault, but only if you were less than 51% responsible for the crash. From there, your damages can be reduced based on your assigned percentage of the blame.
Key Differences Between No-Fault and At-Fault Systems
No-fault and at-fault insurance systems handle car accident claims in very different ways.
To sum things up:
- In no-fault states, drivers turn to their own insurance for medical bills and lost wages, no matter who caused the crash.
- In at-fault states like Illinois, the driver who caused the accident is responsible for paying for everyone’s injuries and property damage.
- No-fault systems limit lawsuits and often don’t cover pain and suffering unless the injuries are severe.
- Illinois’s at-fault model allows victims to file claims or lawsuits for the full range of damages, including emotional and non-economic losses.
While no-fault systems can resolve claims faster, Illinois’s approach usually gives injured drivers more options and the potential for greater compensation.
Contact the Chicago Car Accident Attorneys at Powell and Pisman Injury Lawyers for Help Today
If you were injured in a crash anywhere in Illinois, understanding whether your claim falls under a no-fault or at-fault system can make a major difference in your recovery. Since Illinois follows an at-fault model, proving negligence is key to receiving the full value of your damages.
If you’ve been injured in a car accident, Powell and Pisman Injury Lawyers is here to help. Our Chicago car accident lawyers will fight to get the compensation you deserve. Contact us today at (312) 635-5400 to discuss your case and schedule a free consultation.