The state of a Block SectionThe section of line between one Section Signal and the next Home Signal. This term does not apply on a Track Circuit Block line. when a train or other obstruction is between
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. of one 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. and the Clearing PointThe point in Block Signalling beyond the Home Signal up to which the line must be clear before a signalled Running Movement can approach the home Signal. of the next
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..