Truck Accident Laws in Illinois (2026): Deadlines & Liability

A crash with a large commercial truck in Illinois is governed by two layers of law at the same time: Illinois rules on deadlines, fault, and insurance, and a thick body of federal safety regulations that apply to interstate trucking companies and their drivers. Together they shape who can be held responsible and how long you have to act. This page explains both, as general legal information rather than legal advice.

The deadline to sue in Illinois

Illinois sets a two-year statute of limitations for actions to recover damages for injury to the person under 735 ILCS 5/13-202. For most truck crashes the clock starts on the date of the collision. A wrongful-death claim arising from a fatal truck crash is also subject to a two-year limit, but under the Wrongful Death Act (740 ILCS 180/2) that period generally runs from the date of death rather than the date of the underlying injury, which matters when a person is injured and dies later.

A few situations change the deadline. The period can be tolled for an injured minor or a person under a legal disability, and the discovery rule can delay the start when an injury or its cause was not reasonably knowable right away. Claims against a unit of local government or a state entity face shorter notice rules and a different limitations framework, so those demand fast action. Because the exceptions are narrow and courts enforce the deadline strictly, the safest course is to treat two years as a hard limit.

How fault works: Illinois modified comparative negligence

Illinois uses modified comparative negligence under 735 ILCS 5/2-1116. Your damages are reduced in proportion to your own share of fault, and if your contributory fault is more than 50% of the proximate cause of the injury, you are barred from recovering anything. In practical terms, you can still recover if you are 50% or less at fault, but at 51% or more your claim fails. This is sometimes described as a 51% bar, because that is the point at which recovery is cut off.

In a truck case, fault can be divided among several parties, including the driver, the motor carrier, and others who contributed to the crash. Because your own percentage directly reduces (and can eliminate) your recovery, the way fault is apportioned is often a central issue, and identifying every responsible party can be important to a full recovery.

No-fault status: Illinois is an at-fault state

Illinois is not a no-fault state. It does not require personal injury protection (PIP) coverage, and there is no statutory injury threshold you must cross before you can sue. Instead, the driver and company at fault for the crash are directly responsible for the resulting harm, and you pursue them and their insurers for medical bills, lost income, pain and suffering, and other losses. This is a meaningful difference from no-fault states, where an injured person first turns to their own PIP coverage and must clear a threshold before stepping outside the no-fault system.

Damage caps in Illinois

Illinois places no general statutory cap on compensatory damages in an ordinary personal-injury or wrongful-death case. The legislature has tried more than once to cap noneconomic damages, but the Illinois Supreme Court held those caps unconstitutional, most notably in Best v. Taylor Machine Works (1997), which struck down a tort-reform cap as special legislation and a violation of separation of powers. Punitive damages are treated separately and are not available in every case; when allowed, they require a showing of egregious conduct and are subject to statutory and common-law limits.

Insurance context in Illinois

Illinois requires every driver to keep a motor vehicle covered by a liability insurance policy under the mandatory-insurance provisions of the Illinois Vehicle Code (625 ILCS 5/7-601). That section sets no dollar figures itself; it requires amounts no less than the minimums set under Section 7-203 of the Code. Those minimums are $25,000 per person and $50,000 per accident for bodily injury, plus $20,000 for property damage (625 ILCS 5/7-203). Illinois also requires uninsured-motorist bodily-injury coverage at matching minimum limits. Those minimums are modest, but a commercial truck operating in interstate commerce is subject to the much higher federal financial-responsibility rules discussed below, which is one reason trucking cases differ from ordinary car crashes.

Federal FMCSA rules that apply to trucking companies

Most large commercial trucks and the companies that run them are regulated by the Federal Motor Carrier Safety Administration (FMCSA) under Title 49 of the Code of Federal Regulations. These rules set the safety baseline, and a violation can be powerful evidence of negligence:

• Hours of service (49 CFR Part 395): a property-carrying driver may drive no more than 11 hours after 10 consecutive hours off duty, cannot drive beyond the 14th hour after coming on duty, must take a 30-minute break after 8 hours of driving, and is capped at 60 hours in 7 days or 70 hours in 8 days.
• Electronic logging devices (49 CFR Part 395): most drivers must record their hours with an ELD, and carriers must retain the data, which can confirm or contradict a fatigue defense.
• Driver qualification and CDL (49 CFR Part 391): carriers must verify a driver's license, medical fitness, and record before putting them on the road.
• Drug and alcohol testing (49 CFR Part 382): carriers must conduct pre-employment, random, and post-accident testing and use the FMCSA Drug and Alcohol Clearinghouse.
• Inspection, repair, and maintenance (49 CFR Part 396): carriers must systematically inspect and maintain their vehicles and keep records.

Who can be liable after a truck crash

A truck case routinely involves more potential defendants than a typical car crash, and many are corporate. Depending on the facts, responsibility may extend to:

• The driver, for negligent driving such as speeding, distraction, or fatigue.
• The motor carrier (trucking company), often vicariously for its driver's on-the-job conduct, and directly for negligent hiring, training, supervision, or retention, or for pressuring drivers past the hours-of-service limits.
• A broker or shipper, in some circumstances.
• A cargo loader, when improper or overweight loading causes or worsens a crash.
• A parts or vehicle manufacturer, when a defective brake, tire, or component contributes.

Identifying every responsible party matters because additional defendants can mean additional insurance coverage and a clearer picture of how fault should be apportioned.

Federal minimum insurance for trucks

Under 49 CFR 387.9, a for-hire motor carrier transporting non-hazardous general freight in interstate commerce must maintain at least $750,000 in liability insurance. Carriers hauling certain hazardous materials must carry far more, generally $1,000,000 or $5,000,000 depending on the commodity. That $750,000 baseline, rooted in the Motor Carrier Act of 1980, dwarfs the $25,000 minimum for ordinary Illinois drivers and is a major reason truck cases are handled differently from car-accident claims.

Why evidence preservation matters early

Much of the proof in a truck case lives in the truck and the carrier's files: ELD and logbook records, the engine control module (the truck's onboard data recorder or black box), maintenance and inspection logs, dispatch records, and the post-accident drug-and-alcohol test. Some of that data can be overwritten or routinely discarded within months. A timely spoliation or evidence-preservation letter to the carrier, sent early, helps ensure this information is kept rather than lost.

How to evaluate an Illinois truck-accident claim

If you have been injured, preserve what you can: the police report, photographs of the scene and vehicles, the names of witnesses, and your medical records. Get medical care and keep documentation of your treatment and lost income. Many Illinois personal-injury attorneys evaluate truck cases on a contingency-fee basis and offer a free initial consultation, meaning no upfront fee, though no lawyer can guarantee a result. Because the two-year deadline is firm and evidence can disappear, it is wise to consult a licensed Illinois attorney promptly rather than waiting.