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4.4 Typical Signal Layout
  
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Sri Lanka
The simple station layout below depicts the positions of the respective signals in a typical yard.

The first signal a train will see when arriving from left is the one before last ABS signal. It will inform the track condition ahead. It may show 'caution' if a train is awaiting to enter or just entering the station yard. The second will the last ABS which is also the outer home signal.  It will hint about the platform the train will be stopping or passing through (if it is an express train). The third will be the inner home (high controlled) signal. This will allow the train to enter the station yard or pass through the station if it is an non-stopping station for that particular train. If the train stops at the station, when ready the starter (dwarf controlled) signal is given to proceed.

 

 
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4.1 Automatic Signals ] 4.2 Controlled Signals ] 4.3 Call-on Signal ] [ 4.4 Typical Signal Layout ]

R. Jayanthan
Last updated on 01 January, 2002