For those driving around Chicago and the surrounding areas, getting a handle on crash report requirements is, well, pretty crucial. Look, with over 312,000 police-reported crashes in Illinois in 2023, knowing how to handle these reports can really impact your legal rights and insurance claims. (And that's concerning.)
The Illinois State Police (ISP) and the Illinois Department of Transportation (IDOT) lay out the key guidelines for filing crash reports. These reports are vital because they play a big role in legal proceedings and insurance claims after an accident.
So, according to 625 ILCS 5/11-406, 11-408, and IDOT rules, you need to file a written crash report if the accident:
Here's the thing: If a police officer investigates the crash and completes an Illinois Traffic Crash Report, drivers generally don't need to file a separate Motorist Crash Report (form SR 1050). But if no officer is present, each driver must submit the Motorist Crash Report to IDOT within 10 days. Failing to do so can result in license suspension and fines.
The ISP offers an online “Self-Report Crash” portal, but it's only for single-vehicle, property-damage-only crashes on routes patrolled by ISP. Multi-vehicle or injury crashes, and those on local streets, still require the paper SR 1050.
Crash reports are crucial in legal contexts, as they become part of the official record used by courts, insurers, and attorneys. Illinois follows a modified comparative-negligence rule, meaning you can only recover damages if you are less than 51% at fault. So, not filing a report can:
Illinois mandates minimum liability limits of $25,000 per person / $50,000 per crash for bodily injury and $20,000 for property damage. Uninsured/under-insured motorist (UM/UIM) coverage with the same bodily-injury limits is also required.
Insurers depend on crash reports to verify accident details. Without a report, claim processing may be delayed or denied due to a policy’s “duty to cooperate” clause.
According to IDOT’s 2023 report, about 21 percent of Illinois crashes result in injury. Timely crash reporting aids first responders and trauma centers in gathering accurate data, which supports safety initiatives like Vision Zero Chicago and IDOT’s Strategic Highway Safety Plan.
Prompt reporting also facilitates access to medical-payment (“med-pay”) or personal-injury-protection benefits and helps connect victims to necessary health resources.
Our content is written to inform, not overwhelm — whether you're hiring a lawyer or handling insuranc claims alone.