Description of a highly automated transportation system supplied by ASEA to the Kiirunavaara Iron Ore Mine for a new main haulage level at 775 meters, with special emphasis on the train haulage, locomotives, crushing plant, main functions of the control system, train control, crusher control, computer system and control modes. The experience gained during the commissioning of the transportation system has confirmed the advantages of the decentralized ATC system and the hierarchical structure of the control system.