What components make up an interlocking system?
An interlocking system is comprised of signals, switches (also known as points), track circuits, and a control logic system that ensures the safe and coordinated movement of trains by preventing conflicting routes. Signals are the visual displays that indicate to train crews whether they are permitted to proceed, and at what speed. Switches are the movable sections of track that allow trains to be routed from one track to another. Track circuits detect the presence or absence of trains on a section of track, p....
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Gunasekar D
“An inerlocking system in railway signaling is designed to prevent unsafe train movements by ensuring that signals, points and other track elements operate in a coordianted and safe manner. It enforces rules that prevent conflicting routes from being set simultatneoulsy. The key components of interlockinsg systems are : 1.) Signals 2.) Point machines ( switches) 3.) Track circuits 4.) Axle counters 5.) Ballises 6.) Route setting logic 7.) Interlockign logic unit 8.) Control panel 9.) Vital and non-vital systems 10.) Interface to centraclized traffic control 11.) Control relays.”
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