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A coupled BSI on a class 150
An uncoupled BSI on a class 150

Coupling trains is a feature which allows multiple units to be connected and move as part of one train.

It was initially possible with the Steam Train, Class 156 and the Steam Carriages by moving 2 cars together so that the couplers touched. Either of the couplers could then be clicked to release the connection. This system was removed as part of Update 1.0, and was eventually re-added publically in an upgraded form in Update 2.0.

How to Couple

  1. Driver A should leave Train A and prepare its coupler. Driver B should do the same for Train B.
  2. Once Train B's coupler is prepared, Driver B must exit, leaving Train B unoccupied.
  3. Driver A should then drive Train A into Train B so the couplers connect.
  4. Driver A will be teleported to the other end of the double unit and can then drive off.

How to Decouple

  1. Driver A and anyone else in the driver cabs should exit the double unit.
  2. Driver A should walk to the couplers and use the prompt to decouple the units.
  3. Driver A can now return to Train A (the unit with the despawn counter active).
  4. Driver B can return to Train B and drive off.


Requirements

If any one of these requirements are not fulfilled, the units will refuse to couple or decouple.

  • The driver who originally spawned each unit must prepare its own coupler.
  • One unit must be unoccupied by a driver during coupling.
  • No player must be seated in a cab during the decoupling process.
  • Both Units must have couplers.
  • Couplers must be of the same type (eg. BSI, Tightlock, Dellner).
  • Units must be compatible (See the corresponding Train page to see if it is compatible with the unit you want to couple).
  • Only 2 units can be coupled.

You must obtain a clear signal and permission from the signaller before coupling trains, as some coupled units may not be able to fit in certain platforms.

Trivia

  • The max limit of units that can be coupled is 2
  • In a patch, 1.2.8h10, an experimental and staff-locked coupling system was added on the Class 411