line on different big rigs semi trucks with loaded semi trailers standing on the weigh station awaiting its turn to enter the

american big book business cargo carrier carries carry cdl challenge chassis commercial control delivering delivery destination diesel distribution driving eighteenwheeler fifth fleet freight haul haulage hauler heavyduty highway industrial inspection intersection loads log logistic logistics long lorry monitoring mountain northwest operator oregon overweight owner pick protection rig rigs road safety scale schedule semi semitruck shipping station tractor traffic trailer trailers transit transition transport transportation transporter transporting travel truck trucking trucks visibility weigh weight wheel wheels