What Led to the Semi Crash on I-44 Near Miami, OK?

Michael GrossmanAugust 20, 2025 2 minutes

An Oklahoma Turnpike Authority employee was killed on August 18 when a semi-truck reportedly struck him along the eastbound lanes of I-44 near Miami. According to the Oklahoma Highway Patrol, 36-year-old Zachary Rinehart was clearing debris from the shoulder when an eastbound semi allegedly drifted off the roadway and hit him. The truck also struck a parked OTA vehicle with another worker inside, who was rushed to a Joplin hospital in critical condition. The truck driver was uninjured and allegedly told troopers he veered off course while reaching for a dropped device.

When I read a report like this, I can’t help but think about how many serious crashes come down to a momentary lapse in attention. A single second with eyes off the road can have fatal consequences, especially when an 80,000-pound truck is involved.

Was Distraction the Only Potential Factor?

The driver’s own alleged statement suggests distraction was central to this crash. Investigators will likely want to verify that account by checking phone records, in-cab camera systems, and any dash or roadside video. It’s important to determine whether the driver was reaching for a phone, another electronic device, or something else entirely. Establishing how long the driver’s eyes were off the road will be critical in confirming whether distraction was the direct cause of leaving the travel lane.

What Evidence Will Be Important to Examine?

To build a clear picture, investigators should examine the truck’s Engine Control Module (ECM) data for speed, throttle use, and braking just before the crash. Physical evidence, such as skid marks and vehicle damage, may reveal whether the driver made any evasive maneuvers. Maintenance and inspection records will also need to be checked to ensure there wasn’t a mechanical issue that compounded the driver’s actions. Finally, interviewing witnesses and reviewing roadway cameras could help confirm the driver’s account.

Why Careful Investigation Matters Here

When a highway worker is killed on the road, it’s essential to understand exactly what went wrong. While distraction seems to be a potential cause, it will be important to look at all factors in their entirety. By carefully examining distraction, fatigue, and any potential mechanical factors, investigators can piece together exactly what happened and why.