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→Chain signals explained
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[[File:Chain_at_switch.png|300px]]
[[File:Chain_at_switch_red.png|300px345px]]<br>Using chain signal at switch is extremely important at the end station where there are bi-directional signals. Placing block signal here would cause the train getting stuck nose-to-nose (see the image in bi-directional signals section above)<br><br>'''Common mistakes'''* placing the chain signal at the switch where train '''cannot''' choose any track (aka each track after the switch leads to different destination). The chain signal here will be useless and will work as less efficient block signal.
