3 Injured in Truck Accident on S.H. 4 in Clark County, OH
Enon, OH — January 17, 2026, three people were injured due to a tanker truck accident at approximately 4:00 a.m. along State Highway 4.
According to authorities, two people were traveling in a northbound passenger vehicle on S.H. 4 in the vicinity of Enon Road when the accident took place.
Officials indicate that, for as yet unknown reasons, a collision occurred between the passenger vehicle and a northbound tanker truck hauling a load of milk. The impact apparently caused the tanker to veer off of the side of the road and overturn, coming to a rest on its side and spilling its load into a roadside ditch.
The truck driver and the two people from the passenger vehicle reportedly sustained injuries of unknown severity; all three were transported to local medical facilities by EMS in order to receive necessary treatment.
Additional details pertaining to this incident—including the identities of the victims—are not available at this point in time. The investigation is currently ongoing.
Commentary by Attorney Michael Grossman
When a tanker truck and a passenger vehicle collide while traveling in the same direction, and the truck ends up overturned, investigators need to answer one central question: What caused these two northbound vehicles to come into contact in the first place? Same-direction crashes often involve unsafe lane changes, following too closely, or one driver misjudging the speed or position of the other. When the result is a tanker rollover and injuries to multiple people, that demands a full accounting of how each vehicle was being operated.
The fact that this was a milk tanker adds another layer of complexity. Liquid cargo poses a unique rollover risk due to what's known as “surge”—the movement of liquid within the tank that can shift the vehicle’s center of gravity. That kind of instability doesn't excuse a crash, but it can turn a minor collision into a serious one if the driver isn’t trained to compensate for it.
Given the circumstances, several investigative priorities stand out:
- ECM (black box) data from the tanker, showing speed, brake usage, and steering inputs before and during the incident;
- Dash cam footage, if available, to determine how close the vehicles were before the collision and whether one attempted a lane change or brake maneuver;
- Lane position and point of contact, to establish whether the tanker struck the car or vice versa—and who was encroaching into whose space;
- Driver condition and awareness, especially at 4:00 a.m., when fatigue and low visibility may be factors for either party;
- Tanker load distribution, including whether the tank was baffled or unbaffled, and whether load movement contributed to the rollover.
In past cases I’ve handled, tanker rollovers often resulted not just from a triggering event like a collision, but from the way the cargo reacted to it. A sharp correction, even if well-intentioned, can easily lead to a tip if the driver doesn’t account for the momentum of the liquid inside. That’s why proper training and load awareness are so essential for tanker operators.
At this point, it’s not yet clear which driver initiated contact, or whether either had the opportunity to avoid it. But what is clear is that a fully loaded commercial truck ended up overturned on the side of the road, and multiple people were hurt. That outcome doesn’t happen without a preventable failure—whether in vehicle control, following distance, or situational awareness.
Key Takeaways:
- The collision occurred between two vehicles traveling the same direction, raising questions about lane positioning and spacing.
- ECM data and physical evidence will be critical to determining how the crash unfolded and who encroached on whom.
- Tanker trucks carrying liquid cargo are especially prone to rollover due to shifting loads, even in minor collisions.
- Both fatigue and visibility may be factors given the early morning hour.
- Full accountability depends on reconstructing the exact sequence of movements and identifying where proper procedures broke down.

“These are essential reads for anyone dealing with the aftermath of a truck wreck”– Attorney Cory Carlson