The portion of line between the Home SignalIn Block Signalling, it is the first Stop Signal on the Approach To and worked from a Signal Box and controls the exit from the Block Section. (If no Starting S... More and the 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 for the
same line, 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. This term does not apply on
a Track Circuit BlockA method of working trains in a section of line where safety is ensured by the use of continuous Track Circuits or other means of automatic train absence detect... More line.