Types of Semi Truck Accidents Due to their size and weight semi trucks are extremely heavy and are able to roll at any speed. These accidents can result in serious injuries to the individuals involved. The most common cause of semi truck accidents is driver error. However, rollover accidents can be caused by other causes. Rear-End Collisions A serious injury can result from collisions between a vehicle and another vehicle. This is particularly so if a commercial truck such as a semi-truck is involved. These vehicles can weigh as much as 80,00