heavy-duty bulk semi trailer with stiffening rib and three axes running on the wide highway

agriculture american axes big book bulk business cargo carrier carries cdl chassis commercial connection delivering delivery destination diesel distribution driving eighteenwheeler fifth fleet freight haul haulage hauler heavyduty highway industrial intersection loaded loads log logistic logistics long lorry moving multiline operator owner pick protection rib rig rigs road running safety schedule semi semitruck shipping stiffening straight tractor traffic trailer trailers transit transition transport transportation transporter transporting travel truck trucking trucks turning wheel wheels