A type of Subsidiary SignalAn additional Semaphore Signal controlling Shunting Movements and movements onto Occupied tracks. More authorising Shunting Movements ahead of a
Section SignalA Stop Signal controlling the entrance to a Block Section or Intermediate Block Section ahead. See also Home Signal, Starting Signal, Advanced Starting Signal. More. See also Draw Ahead (Aspect)A Position Light Subsidiary Signal that instructs the driver to ‘draw ahead’, for example, sufficiently to enable a set back move over a trailing connection... More.