Topeka, KS — June 10, 2025, Two people were injured following a flatbed truck accident that occurred around 4:00 A.M. on Lyman Road.

According to official reports, a flatbed pickup truck was traveling in the 400 block of N.E. Lyman Road when for unknown reasons it lost control and struck a tree. No other vehicle appear to have been involved.
First responders arrived and transported two people to the hospital with serious injuries, and their current condition is unknown. Authorities have not released the identities of the occupants, and the investigation remains ongoing.
Commentary by Attorney Michael Grossman
When a truck veers off the road and slams into a tree with no other vehicles involved, the natural question is: what went wrong? Crashes like these often look simple from the outside, but the absence of another vehicle doesn’t mean the causes are straightforward.
1. Did the authorities thoroughly investigate the crash?
In a crash involving serious injuries and a sudden loss of control, the investigation should go far beyond just documenting the impact point. Investigators should be analyzing the truck’s path, the tire marks (or lack of them), and how the vehicle behaved in the final moments. Were there signs of braking or steering input? Did the truck drift or swerve? These are questions that only get answered through careful scene mapping and data collection.
2. Has anyone looked into the possibility that a vehicle defect caused the crash?
When a vehicle suddenly leaves the roadway, mechanical issues have to be considered. Problems with steering, braking, or the truck’s suspension system could cause a loss of control—especially in a flatbed, which may have load shifts or unique handling characteristics. If the vehicle is simply towed away and not examined by someone who knows what to look for, a defect could go entirely unnoticed.
3. Has all the electronic data relating to the crash been collected?
The truck’s onboard systems likely recorded key data: speed, throttle position, braking effort, and steering activity. This can help show whether the driver made any effort to avoid the tree—or if the vehicle failed to respond. GPS data might also indicate if the vehicle was drifting over time. Without pulling and reviewing this data early, the opportunity to understand the full picture might be lost.
Crashes like this leave behind more than just bent metal. They raise questions that can’t be answered by assumptions alone. A proper investigation starts by looking at every possibility, especially the ones that don’t immediately stand out.
Takeaways:
- Serious single-vehicle crashes require in-depth reconstruction to rule out driver or mechanical issues.
- The truck should be inspected for defects that could have caused the loss of control.
- Onboard data can help confirm whether the vehicle responded to driver input.