Why You Need a Semi Truck Accident Attorney A semi truck accident lawyer is required if you or someone you care about has been injured in a collision with a truck. Because these incidents are special, you'll need someone who is familiar with the specific laws and regulations that apply to commercial trucks. Truck accidents can create liability for a variety of parties including the trucking firm driver, manufacturer, and others. A skilled lawyer will be competent to assist you in navigating these areas and ensure you receive the compensation