row of trolleys with axles and fifth wheel tow hitch for semi trucks trains standing on the warehouse parking lot with semi

american axles big business cargo carrier carries carry chassis commercial compliance delivering delivery diesel dock eco eighteenwheeler equipment fifth fleet freight haul haulage hauler heavyduty industrial loads logistic logistics long lorry lot maintenance parking pull pulling regulations reserved rest resting rig rigs road route row safety semi semitruck shipping spot stop tires tractor traffic trailer trailers transport transportation transporter transporting travel trolleys truck trucking trucks unloading waiting warehouse wheel wheels