blue powerful big rig semi truck with step down semi truck for oversize load transportation and escort car with oversize load sign

american big blue bonnet business cargo carrier carries carry chassis classic commercial delivering delivery destination diesel down driving eighteenwheeler empty entrance exhaust fifth fleet freight going haul haulage hauler heavyduty highway industrial intersection loads logistic logistics long lorry northwest oversize protection pulling rig rigs road running safety semi semitruck shipping sign slings step support tarp tightened tractor traffic trailer trailers transport transportation transporter transporting travel truck trucking trucks wheel wheels working