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Authorities reported that one person was killed and two others were hospitalized Wednesday afternoon in a multi-vehicle crash involving a dump truck, a semi-truck, and a passenger car on U.S. 33 eastbound near milepost 18 in Jefferson Township. According to local officials, a Kia Rio driven by 26-year-old Ismahan Abdikadir Nagati of Columbus was disabled in the left lane when a Mack dump truck traveling behind it allegedly failed to stop and collided with it. The impact pushed the Kia into the right lane, where it was hit again by an International tractor-trailer. The dump truck overturned and spilled its load of gravel across the roadway before traveling off the right shoulder. Nagati was pronounced dead at the scene, while both commercial drivers were hospitalized with injuries.

This sequence of events highlights how quickly disabled-vehicle situations can become catastrophic when large commercial vehicles are involved. Investigators will now work to determine why the dump truck driver failed to stop and whether equipment, attention, or reaction time contributed.

Key Questions for Investigators

Authorities will begin by establishing the timing and visibility of the disabled vehicle, but their focus will be on how both commercial vehicles responded. Investigators will review the dump truck’s Engine Control Module (ECM) data to determine speed, braking activity, and throttle position in the seconds leading up to the crash. They will also examine whether the driver was distracted, fatigued, or otherwise delayed in recognizing the hazard.

The semi-truck’s role in the secondary impact will also be analyzed to determine whether there was adequate following distance or time to react once the Kia was pushed into the right lane. Investigators will likely interview both commercial drivers, examine their hours-of-service logs, and review dispatch data to ensure that each operator was compliant with federal rest requirements.

Examining Equipment Condition and Load Safety

Mechanical inspection will play a key role in determining whether braking systems or equipment condition affected either driver’s ability to stop. The dump truck’s braking components, tire condition, and load weight will be reviewed to confirm whether the vehicle was properly maintained and loaded according to federal and state standards.

Investigators will also check whether the dump truck’s gravel load was secured and whether the truck’s weight contributed to its loss of control after impact. For both commercial vehicles, maintenance records and inspection logs will help establish whether they were roadworthy at the time of the crash.

Evidence That Should Be Analyzed

Alongside ECM data, investigators will analyze skid marks, impact points, and vehicle resting positions to reconstruct how the collision progressed. Traffic camera footage or witness accounts may help determine whether the dump truck had sufficient distance to stop or whether traffic conditions limited its ability to react.

Why a Complete Investigation Is Crucial

When a disabled vehicle is struck by one or more commercial trucks, investigators must look closely at driver attentiveness, mechanical readiness, and carrier oversight. Determining whether inattention, equipment issues, or operational negligence contributed is essential for accountability. A full investigation will help explain how and why this crash happened in the first place.

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We examine serious accidents from the news to help the public understand how these events could have happened, based on what we've learned over 30 years of litigating accident cases.

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