Why Are Truck, Tractor-Trailer and Semi-Truck Accidents So Serious? No one should have to shoulder the burden of medical bills caused by another person’s negligence. This is why it’s important for victims of truck, tractor-trailer, and semi-truck accidents to work with an experienced automobile accident and a team of truck accident lawyers to ensure they receive the full and fair compensation they need to pay their bills and recover money damages for their other losses.