Why You Need a Semi Truck Accident Attorney If you or a loved one was injured in a crash caused by a commercial truck you may need to hire an attorney for semi-truck accidents. These types of accidents are very unique and you will need someone who is familiar with the laws and regulations that apply to commercial trucks. There are a variety of parties that could be held accountable for an accident involving a truck, including the driver the trucking company the manufacturer, and many others. A competent lawyer will be competent to assist you