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OTM - On Track Machine. These are trains which are used for maintaining the track, and are allowed to travel on the network between possesions. Machines include:

  • Track stabalisers
  • Tampers- these machines force ballast under and around sleepers to prevent them moving excessively when a train passes over them.
  • Ballast cleaner- this train replaces worn ballast (which does not hold track in position very well) with new ballast, and removes impurities, such as sand from ballast that has erroded.
  • Track relayers
  • Railgrinders- Restores the profile of the rail, resulting in a smoother ride.
  • Stoneblower- similar to a tamper, although it uses finer grade ballast.
  • Cranes.
  • Snowploughs.

OTP- On Track Plant These are machines that are only allowed within possessions, and are moved from site to site by road.

Last edited by GeoffM on 15/09/2016 at 03:00