ETCS Levels: how do they work?

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The different ERTMS/ETCS application levels (short: ETCS Levels or Levels) are a way to express the possible operating relationships between track and train. ETCS Level definitions are related to the trackside equipment used, to the way trackside information reaches the on-board units and to which functions are processed in the trackside and in the on-board equipment respectively.

ERTMS/ETCS can be configured to operate in one of the following application levels:

  • ERTMS/ETCS Level 0 (train equipped with ERTMS/ETCS operating on a line not equipped with any train control system (ERTMS/ETCS or national system) or on a line equipped with ERTMS/ETCS and/or national system(s) but operation under their supervision is currently not possible)
  • ERTMS/ETCS Level NTC (train equipped with ERTMS/ETCS operating on a line equipped with a national system)
  • ERTMS/ETCS Application Level 1 with or without infill transmission (train equipped with ERTMS/ETCS operating on a line equipped with Eurobalises and optionally Euroloop or Radio infill)
  • ERTMS/ETCS Application Level 2 (train equipped with ERTMS/ETCS operating on a line controlled by a Radio Block Centre and equipped with Eurobalises and Euroradio) with train position and train integrity proving performed by the trackside
  • ERTMS/ETCS Application Level 3 (similar to level 2 but with train position and train integrity supervision based on information received from the train)

More information can be found in “Railway signalling since the birth to ERTMS” white paper available in the “White Papers” section.

Railway signalling since the birth to ERTMS” available here:
https://www.railwaysignalling.eu/wp-content/uploads/2013/11/Railway_Signalling_since_birth_to_ERTMS.pdf

White Papers” section available here:
https://www.railwaysignalling.eu/category/white-papers

 

In the following video are described in a very intuitive way Levels 1, 2 and 3:

[youtube url=”http://www.youtube.com/watch?v=TNVv_3mJl_Y” width=”560″ height=”315″]



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