When Large Trucks Collide: Understanding Your Rights After a Semi-Truck Accident Massachusetts roads witnessed 328 traffic fatalities in 2023 according to MassDOT data, with commercial truck accidents causing some of the most devastating injuries. If you’ve been injured in a semi-truck collision, the physical, emotional, and financial toll can feel overwhelming. Crashes involving tractor-trailers and commercial vehicles often result in catastrophic injuries due to massive size differences. The complexity of truck accident cases requires understanding state and federal trucking laws,