big rig semi truck with oversize load sign and step down trailer

aerodynamic american automobile automotive bed big bonnet cargo carrier carrying class delivering delivery distances down drive driving duty eighteen flat freight going haul haulage heavy highway land load loaded loads local logistic logistics long lorry move movement moving outdoors oversize powerful professional reposition rig rigs road roade roadway run running safety semi shipping sign step tractor traffic trailer trailers transport transportation transporter transporting travel trees truck trucking trucks vehicle wheeler white working