blue big rig day cab semi truck transporting long logs running on the road with green forest

american bed big blue business cargo carrier carries carry chassis climb columbia commercial dangerous delivering delivery diesel driving eco efficient eighteenwheeler engine equipment fifth flat fleet forest freight gorge haul haulage hauler heavyduty highway industrial loads logistic logistics logs long lorry mountain northwest protection pulling rig rigs road route running safety semi semitruck shipping spring tractor traffic trailer trailers transport transportation transporter transporting travel trees truck trucking trucks wheel wheels winding wood