Whately, MA — December 9, 2025, one person was killed in a morning truck accident on southbound Interstate 91.
Authorities said a semi-truck left the road near mile marker 31.6 and crashed into a group of trees in the median.
The driver, a 47-year-old man from Haverhill, NH, was pronounced dead at the scene of the crash, according to authorities. His name has not been made public yet.
Authorities have not released any additional information about the Franklin County crash at this time.
Commentary by Attorney Michael Grossman
When a semi-truck leaves the roadway and ends up in the median, the first question most people have is simple: how does that happen on a straight stretch of interstate? A truck doesn’t just drift off the road for no reason. Something usually goes wrong, and right now, we don’t know what that was.
Based on what’s been released, authorities say the truck left southbound I-91 near mile marker 31.6 and struck trees in the median. That tells us where the truck ended up, but it tells us almost nothing about why it got there. At this point, the cause of the crash is completely unclear.
It’s not clear whether the truck was traveling normally before leaving the road or whether the driver experienced a sudden medical event. We also don’t know if the truck was moving at highway speed, slowing or reacting to something unexpected. Each of those possibilities raises very different questions.
This is where real investigation matters. Modern semi-trucks typically record critical data in their engine control module, its black box. That data can show speed, braking, throttle input and whether the truck was drifting or making a sudden maneuver. Without that information, any conclusion about what happened is premature.
There are also unanswered questions about distraction and visibility. Was the driver using a cell phone? Were there in-cab cameras that captured what was happening in the moments before the truck left the roadway? Cell phone records and camera footage often provide clarity when physical evidence alone cannot.
Just as important are questions about the truck itself and the company behind it. We don’t yet know if there was a mechanical issue, a steering problem or a maintenance failure. We also don’t know what the driver’s work schedule looked like or whether fatigue could have played a role. Those answers come from logbooks, maintenance records and company policies, not from the crash scene.
When a fatal truck crash happens and information is limited, it’s tempting to assume there’s nothing more to learn. In reality, this is often when the most important facts are still hidden. The truth only comes out when all available evidence is gathered and analyzed together.
Key Takeaways
- A truck leaving the roadway raises immediate questions that haven’t been answered yet
- It’s unclear whether speed, distraction, a medical issue or mechanical failure played a role
- Black box data, cell phone records and in-cab cameras are critical to understanding what happened
- Company records and maintenance history may be just as important as the driver’s actions
- Accountability depends on a full investigation, not early assumptions
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