The application of railway signals on a rail layout is determined by various factors, principally the location of points of potential conflict, as well as the speed and frequency of trains and the mov
Bidirectional signalling in evidence at Poyntzpass with a passing Enterprise on NIR.
Signalling control
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On a rail transport system, signalling control is the process by which control is exercised over train movements by way of railway signals and block systems to ensure that trains operate safely, over
Class 66 at Bardon Hill signal box in Leicestershire, England. It is a Midland Railway signal box dating from 1899, although the original mechanical lever frame has been replaced by electrical switches. Seen here in 2009.
Signal box and tracks at Deval interlocking, Des Plaines, Illinois, USA, in 1993
A mechanical lever frame inside the signal box at Knockcroghery in Ireland
Trimley Junction IFS panel in the 1988 replacement signal box, built by BREL York