A condition where a Train DetectionThe proof of the position of the Points (Normal or Reverse) to the Interlocking equipment. section indicates the line is unoccupied
when it is Occupied by a train.
The site for Miniature and model signalling!
A condition where a Train DetectionThe proof of the position of the Points (Normal or Reverse) to the Interlocking equipment. section indicates the line is unoccupied
when it is Occupied by a train.