Due to the massive size of 18-wheeler trucks, an accident involving a big rig and a passenger vehicle has a high percentage of being catastrophic. According to the National Safety Council, a total of 4,965 people died in large-truck crashes in 2020. What many people often underestimate is the importance of the other vehicle in determining the injury level of its occupants. There are many factors affecting the impact and damage delivered in an accident with an 18-wheeler.