Types of Semi Truck Accidents Semi trucks are hefty due to their size and weight . They can easily roll over at any speed. These accidents could cause serious injuries for those involved. Driver error is the most common cause of semi-truck accidents. However, other factors can also cause the possibility of a rollover accident. Rear-End Collisions If a vehicle rear-ends a vehicle the result could be serious damage. This is especially the case when a commercial truck such as a semi-truck is involved. These vehicles can weigh up to an 80,000-pou