big rig long haul semi truck with low cab transporting commercial cargo in covered bulk semi trailer running on the road in

along american automobile big bulk business cargo carriage carrier carry carrying columbia commercial connection covered danger delivering delivery drive driving duty eighteen fleet freight going gorge guard haul haulage hauler heavy highway industrial loads logistic logistics long lorry mountain moving narrow northwest professional reliable rig rigs river road running safety semi shipping tight tractor traffic trailer trailers transport transportation transporter transporting travel truck trucking trucks valley washington wheeler white working