May 18 (Reuters) - Rio Tinto (LON:RIO) Ltd RIO.AX :
* RIO TINTO GRANTED AUTOHAUL ACCREDITATION BY RAIL REGULATOR
* RIO TINTO'S PILBARA SHIPMENTS GUIDANCE FOR 2018 REMAINS BETWEEN 330 AND 340 MILLION TONNES (100 PER CENT BASIS)
* AUTOHAUL PROJECT CONTINUES TO PROGRESS AND IS ON SCHEDULE TO BE COMPLETED BY END OF 2018