A freight transportation system is provided and comprises a loading station, an unloading station and {HEAD ~ a vehicle} moveable therebetween to transport {TAIL ~ freight} 
moveable to transport
A freight transportation system is provided and comprises a loading station , an unloading station and { HEAD ~ a vehicle } moveable therebetween to transport { TAIL ~ freight }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL