Signalling

Signals, line operation modes and train spacing systems

This section is dedicated to describing the general principles relating to:

  • signals
  • line operation modes
  • different train spacing systems

The majority of the information in this section is taken from the educational document published by the Établissement Public de Sécurité Ferroviaire (EPSF, a public institution responsible for ensuring the safety of railways in France) published on July 5, 2017.