long hauler big rig semi truck transporting oversize load on the step down semi trailer running on the straight divided highway

american big business cargo carrier carries chassis chrome clean columbia commercial delivering delivery destination diesel distribution down driving eighteenwheeler fastened fifth fleet freight fuel gorge gray haul haulage hauler heavyduty highway industrial loads logistic logistics long lorry maintain mountain moving operator oversize oversized owner pick rig rigs road running safety semi semitruck service shipping sign step tractor traffic trailer trailers transit transition transport transportation transporting travel truck trucking trucks wheel wheels