In Block SignallingA system of controlling rail traffic defined by Block Sections. Normally only one train is permitted in a Block Section. More, a Stop SignalAny Signal capable of showing a Danger Aspect. More beyondIn relation to equipment on or alongside the track, positioned such that a train reaches it after passing another defined item of equipment. See also Advance. More the Starting SignalIn Block Signalling, a Stop Signal Beyond, and worked from, a Signal Box. If no Advanced Starting Signal is provided, it is the Section Signal. More, and worked
from the same Signal BoxThe building in which the Signaller(s) is/are situated together with the control and indication system for the signalling. See also Signalling Centre. More. An alternative term for 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.