long semi trailer loading industrial cargo in warehouse dock wit

american automobile big building cab cargo carriage carrier carrying commercial conveyance day delivering delivery direction distances docks drive duty eighteen fleet freight gates haul haulage heavy highway industrial loading loads local logistic logistics long lorry outdoors pick professional protection reefer refrigerator rig rigs road row safety schedule semi shipping stand standing tractor traffic trailer trailers transport transportation transporter transporting travel truck trucking trucks unloading waiting warehouse wheeler wheels white working