blue big rig semi truck tractor with opened tented conestoga flat bed semi trailer unloading delivered cargo standing on the

semi trucks hauler big rig freight trucking transportation carries truck transport semitruck diesel cargo dry van distribution curtainside delivering heavyduty fuel traffic trailer running road shipping logistic tractor lorry carrier service blue pick highway haul rest tarp rigs coupling transporting logistics destination wheel trucker moving safety delivery transit american owner operator loads transition trailers fleet dangerous industrial travel classic warehouse extended commercial driving business axles parking eighteenwheeler maintenance tires conestoga automotive protection opened tented flat bed unloading lot