blue long haul big rig semi truck transporting cargo in dry van semi trailer with aerodynamic skirt running on the divided highway

semi trucks hauler big rig freight trucking transportation carries truck transport semitruck diesel cargo dry van distribution mountain delivering heavyduty white traffic trailer running road shipping logistic tractor lorry carrier service columbia pick highway haul rest reefer rigs coupling transporting logistics destination wheel trucker moving safety delivery transit american river loads transition trailers fleet dangerous industrial travel classic chrome extended commercial driving business axles parking eighteenwheeler maintenance tires gorge automotive protection blue long aerodynamic skirt grade cab driver area