Rollover accidents are some of the most deadly crashes. Learn more about the two main causes of rollovers and how to avoid them to keep your family safe.

What are the different types of rollover accidents?



Close-up of tire on upside-down vehicleRollover accidents, whether car, truck, or semi, can cause exponentially greater damage than a single impact collision. When a vehicle rolls over, the occupants of the vehicle will sustain various impact injuries as a result of the car coming in contact with the ground multiple times as it rolls. When a truck or semi flips over, the occupants not only sustain additional impact forces, but the size and weight of the vehicle can potentially crush other vehicles as it rolls.

As a result of these dangers, it is essential that you understand the two types of rollover accidents and how they commonly occur so you can be prepared to avoid such a violent accident.    

The Two Major Types of Rollover Crash

There two types of rollover accidents—tripped rollovers and un-tripped rollovers.

  • Tripped rollovers. According to data taken from the National Highway Traffic Safety Administration, 95% of rollovers stem from a “trip,” making these rollover types the most prevalent. Trip rollovers occur if a vehicle’s tires leave the roadway and slide sideways. When this slide causes the tires to dig into soil or strike an object, the force applied to the tires causes a “trip-up.” This causes the tires to be pushed up, which ultimately results in the vehicle tipping over.  
  • Un-tripped rollovers. Un-tripped rollovers are less common, resulting in only 5% of rollover accidents, and occur mostly to top-heavy vehicles. These types of accidents occur, not as a result of the forces placed on the tires, but rather because of forces on the vehicle during a turn. When these forces are equal, your vehicle stays planted on the road. When the forces become unbalanced due to speeding or top-heaviness, the outward force increases, pushing the object toward the outside of the curve. When a truck or other vehicle is pushed, it can easily lose its balance and topple over without the assistance of a tripping obstacle. 

Both rollover types are dangerous and can cause severe injuries. However, there is a greater risk of a tripped rollover. Either way, it is important to not only know the dangers but also to be prepared for the aftermath of such collisions when your rollover was caused by another’s negligence.

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