Vehicle yielding for left turn struck from behind near NS 23
December 20, 2025 | Cimarron, OK
A devastating two-vehicle accident on U.S. Highway 56 claimed the life of 18-year-old Treaton Hartsook from Olathe, Kansas, and injured five others, according to the Oklahoma Highway Patrol.
Treaton Hartsook, 18, of Olathe, Kansas, died after the vehicle he was riding in was rear-ended while yielding for a left turn on U.S. Highway 56 near NS 23 in Cimarron County.
What Happened in the Crash?
The incident occurred around 6:14 p.m. when a vehicle traveling westbound near NS 23 slowed to yield for another car making a left turn. A following vehicle then rear-ended it, leading to the fatal outcome.
- Date and Time: Dec. 20, 2025, at approximately 6:14 p.m.
- Location: U.S. Highway 56 near NS 23, Cimarron County, Oklahoma
- Vehicles Involved: Two passenger vehicles
- Fatalities: Treaton Hartsook, 18, passenger in the lead vehicle, pronounced dead at the scene
- Injuries: Driver and three passengers in the lead vehicle were injured, and the driver of the rear vehicle was also hurt
- Safety Measures: All occupants were wearing seat belts
Authorities continue to investigate the crash, examining factors such as road conditions and visibility.
Why Do Rear-End Collisions Occur on Highways?
Rear-end crashes often stem from issues like tailgating, distracted driving, or poor visibility, especially during evening hours. The Oklahoma Highway Patrol is reviewing these elements in this case.
Factor |
Contribution to Rear-End Crashes |
Source |
|---|
Tailgating |
Reduces reaction time, leading to crashes at high speeds |
National Highway Traffic Safety Administration (NHTSA) |
Distracted Driving |
Drivers fail to notice slowing traffic ahead |
Centers for Disease Control and Prevention (CDC) |
Poor Visibility |
Evening conditions increase risks on rural highways |
Federal Highway Administration (FHWA) |
Speeding |
Exacerbates the severity in the following scenarios |
NHTSA |
Data reflects general U.S. trends for 2018, NHTSA reported 33,654 fatal motor vehicle crashes resulting in 36,560 deaths, or 1.13 deaths per 100 million miles traveled.
Legal Insights
National legal analysts provide perspective on investigations and potential claims following such incidents.
“Road conditions, visibility, and lighting are all possible contributing factors that must be thoroughly examined in cases such as this,” said Candice Bond, managing partner with Bond Legal. “An accident reconstruction team can help piece together the crash sequence, aiding in securing compensation for damages or losses.”
- Thorough investigations are essential to identify contributing factors.
- Reconstruction professionals assist in determining fault and liability.
- Families may pursue claims for wrongful death, covering companionship loss, pain, and emotional distress.
“The emotional toll after a loved one’s loss in a crash can be overwhelming,” said Stefano Formica, of counsel at Bond Legal. “Protecting rights through ongoing updates on the investigation is crucial for those affected.”
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If you or a family member has been affected by a similar incident, national legal analyst Candice Bond is available for a free consultation. Use the contact information provided on this page.
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