Rollover Crash with Injuries in Crystal Lake, IL on S Route 31 (December 15, 2025)

Crystal Lake, IL (December 17, 2025) – A two-vehicle crash involving a rollover prompted an emergency response and road closure Monday morning in Crystal Lake, with multiple individuals injured.

According to the Illinois State Police, Crystal Lake Fire Rescue crews responded just after 6:30 a.m. on December 15 to the 3700 block of South Route 31 for reports of a crash involving a vehicle on its roof and potential entrapment. Firefighters quickly arrived on scene and began triaging multiple patients.

Three ambulances were dispatched as responders worked to evaluate and treat the injured. McHenry County Sheriff’s Office also responded and shut down Route 31 in both directions while emergency operations were underway.

While the exact number of injured has not been confirmed, officials stated that several individuals were transported to area hospitals. The cause of the crash remains under investigation.

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Following a serious car accident near Crystal Lake, it’s vital to understand your legal options. Illinois car accident laws in Illinois provide a pathway for victims to seek compensation for injuries, vehicle damage, and other related expenses.

Anyone hurt in a car accident near me should act quickly to preserve their rights. An experienced personal injury lawyer can help collect key evidence, obtain your car accident report, and communicate with insurance adjusters on your behalf.

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PLEASE TAKE NOTICE

This report is based on initial dispatch communications and fire department updates. Information may be revised as the investigation continues.

• Authorities have not released the names of those involved in the crash.
• The exact number of injuries and the severity of those injuries are still being confirmed.
• Route 31 was temporarily closed by the McHenry County Sheriff’s Office to facilitate rescue and cleanup efforts.

For additional assistance, explore accident resources in Illinois and check out our frequently asked questions in Illinois for guidance after a crash. This article is intended for informational use only. To understand how we report, please review our full disclaimer.

To ensure your rights are protected after an injury, contact a trusted Illinois personal injury lawyer as soon as possible.