Types of Semi Truck Accidents Semi trucks are extremely heavy due to their size and weight , and can easily roll over at all speeds. Accidents can cause serious injuries for those involved. Driver error is the most common reason for semi-truck accidents. But, other factors can also cause a rollover crash. Rear-End Collisions Damages that are severe can result from collisions between a vehicle and another vehicle. This is especially true if an industrial truck or semi-truck is involved. These vehicles can weigh as much as 80,000 pounds and cau