UNION, Union County, Ill., Oct. 28, 2026 — A two-vehicle crash closed part of U.S. 51 in Union County on Wednesday morning, October 28, and left at least one person dead, according to Illinois State Police.
Troopers with Illinois State Police Troop 10 responded to the intersection of U.S. 51 and Big Creek Church Road around 9:23 a.m. The crash involved two vehicles.
State police confirmed the crash was fatal but have not released the number of people killed.
U.S. 51 remained closed as of the latest update, with the scene still active while troopers worked the investigation.
Our sympathies are with the family of the person who lost their life.
Intersection Safety in Illinois
The fatal crash was reported at U.S. 51 and Big Creek Church Road in Union. Readers following crash news in Union County can find more about intersections across the state on our guide to Illinois intersections.
Frequently Asked Questions
What factors make a crash more likely to be fatal?
Higher speeds, the angle of impact, and whether occupants are restrained all play a major role. Crashes at intersections or involving vehicles of very different sizes also tend to carry a higher risk of serious injury.
How does speed affect crash survivability?
Even modest increases in speed raise both the force of impact and the distance needed to stop, which cuts down the time a driver has to avoid or lessen a collision.
Why does seat belt use matter so much?
Seat belts keep occupants from being thrown within the vehicle or ejected from it, which are two of the most common ways crashes turn fatal.
What should families do after a fatal crash?
Contacting the investigating agency for updates, requesting the official crash report once it's available, and keeping records of any communications can help as the investigation moves forward.
What to Do After a Fatal Crash in Union, Illinois
Anyone involved in or who witnesses a serious crash should call 911 right away and stay clear of traffic until help arrives. If you're not injured, avoid moving vehicles unless there's an immediate danger like fire, since the scene often needs to be preserved for investigators.
Even if you feel fine, it's worth getting checked by a medical provider afterward, since some injuries don't show symptoms immediately. Keep a copy of the police report once it's released, and follow up with Illinois State Police if you need updates on an ongoing investigation. For families of those involved, reaching out to the agency directly is often the clearest way to get accurate, confirmed information rather than relying on secondhand accounts.
