Signal blocks

Not unless the signal is scripted to be approach lit which will make them automatically light up when a train approaches. This is actually how the Automatic Block Signals work (ABS). Other systems, such as the current SafTran signal system remains lit whether a train is there or not.

John
 
any signal system can be approach lit, it wouldn't matter if it were ABS (a type of signal system) or SafeTran (a manufacturer).
 
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