If you’ve been in an accident with a commercial vehicle such as a semi, big rig, or delivery truck, your personal injury claim is likely to be more complicated than a simple motor vehicle collision because there are varying people or companies who could be at fault - for more information on the steps to take after a wreck, speak to a car accident attorney. The first part of filing a trucking suit is determining fault and to what degree each party is culpable and often the most complicated.