CALIFORNIA COMMERCIAL TRUCK ACCIDENT: What is the definition of a "commercial truck" in California?

In California, a commercial truck is a vehicle used in the course of business and/or for the transport of commercial goods. Examples are eighteen-wheeler tractor trailers, big-rig trucks, tanker trucks, delivery vehicles, and other large freight trucks.  California highways are busy with these types of vehicles due to the large sea ports locate up and down the coast line.