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Authorities in Kentucky reported that a 49-year-old Hendersonville man was killed early Monday morning in a crash involving a semi-truck on Interstate 65 near Bowling Green. According to officials, the crash occurred around 3 a.m. near the 20.2-mile marker. Investigators said the man’s Toyota Highlander struck an object in the roadway and became disabled in the northbound travel lane. A semi-truck traveling in the same direction then allegedly struck the same object before colliding with the disabled SUV. The driver of the Highlander was pronounced dead at the scene. The investigation is ongoing.

Crashes involving disabled vehicles in active traffic lanes often depend on how quickly commercial drivers recognize and respond to unexpected hazards. Investigators will now work to determine how long the disabled SUV was stationary and whether the truck driver had time and space to avoid the collision.

What Investigators Will Work to Determine

Investigators will begin by analyzing how far ahead the semi-truck driver could see the disabled vehicle and whether the driver attempted evasive action. Reviewing Engine Control Module (ECM) data will reveal the truck’s speed, throttle position, and braking activity in the seconds before impact. This data helps determine whether the driver perceived the hazard early enough to react.

Authorities will also consider whether the truck struck debris in the roadway that affected its control before hitting the SUV. If both vehicles hit the same object, investigators will assess whether the debris created an unavoidable situation or if the truck’s reaction time was delayed.

Examining Vehicle Condition and Driver Behavior

Mechanical inspection of the semi-truck will confirm whether all lighting, braking, and safety systems were operational. Functioning headlights and marker lights are essential for identifying hazards in low-light conditions. Investigators will also review the driver’s hours-of-service compliance and recent work history to determine whether fatigue or reduced alertness may have influenced response time.

If the truck was part of a commercial fleet, investigators will review maintenance records and the carrier’s safety management practices to ensure the vehicle was properly maintained and inspected before operation.

Evidence That Will Clarify the Sequence of Events

In addition to ECM data, investigators will rely on physical evidence such as skid marks, impact points, and debris distribution to reconstruct the sequence of impacts. Surveillance or traffic camera footage may show when the SUV became disabled and how the truck approached the scene. Witness accounts from other motorists will also help determine whether the disabled vehicle had hazard lights activated or any warning indicators visible to approaching drivers.

Why a Detailed Investigation Is Necessary

When a semi-truck collides with a disabled vehicle on an interstate, the central question is whether the collision was avoidable. Investigators must assess whether driver attentiveness, mechanical condition, or external factors created the outcome. A thorough review of timing, visibility, and driver response will help clarify what happened and provide answers to those affected by this fatal crash.

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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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