A device for proving that PointsItems of permanent way which may be aligned to one of two positions, Normal or Reverse, according to the direction of train movement required. More are correctly Set before a SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More can be
Cleared to authorise passage of a train over the pointsItems of permanent way which may be aligned to one of two positions, Normal or Reverse, according to the direction of train movement required. More.