broken big rig semi truck with open hood standing on the highway road shoulder beside the two semi trucks with semi trailers

accident american assistant big break breakdown breaking broken business cargo carrier carries chassis commercial connection coupling delivering delivery destination diagnostic diesel distribution driving eighteenwheeler emergency engine fifth fleet freight haul hauler heavyduty highway hood industrial loads logistic logistics open operator out owner parked parking pick protection rig rigs road safety semi semitruck service shipping shoulder technician towing tractor traffic trailer trailers transition transport transportation transporting travel truck trucking trucks warning wheel wheels