Track-mounted device normally positioned at Catch or Trap PointsFacing Points provided at an exit from a Siding or converging line to de-rail an unauthorised movement, thus protecting the adjacent Running Line. More which
maintains a Track CircuitAn electrical device using the rails in an electric circuit, which detects the absence of trains on a defined section of line. More in its Occupied state after the passage of a vehicle
which may have been derailed.