The SCADA subsystem TRAIL is used to surveil and control train traffic on a given route or whole region.


The main functions of the SCADA subsystem TRAIL are:

  • supervision and control of railway stations
  • description of railway stations topology
  • train numbers tracking
  • current objects topology calculation
  • calculation of available train routes inside railway stations
  • checking for train routes conflicts
  • creating commands for train routes setting
  • automatic train routes setting on substations and tracks
  • checking for fullfilment of conditions for command execution
  • building route train-graph
  • surveilling on the train schedule
  • sending information to the Human Machine Interface (HMI) for visualization of technological processes
  • sending information to the Historical Information Server (HIS) for archiving and logging of technological events, alarms, system disturbances, operator’s actions etc.