An available, reliable and well-maintained railway is the foundation for competition and market growth. Demands on high standardsfor reliable rail transport, tight turnaround times and high utilization of resources (machines, workshops , staff) makes minimumdisturbance in the system to quickly disrupt the entire process of lost capacity, delays and reduced quality to customers as a result.The Swedish railway composed after deregulation, of several different parties, each one with individually objectives and strategy tomaintain their assets and rolling stock. Although some data are railway system common no greater sharing of operation andmaintenance data exists, which creates the risk of sub-optimisation.Luleå Railway Research Center (JVTC) ...