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mark1447

Relay Tracks?

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I notice in some stations like 168th street on the (C)(A) and Broad Channel (A)(S) has the Attention Sign or the signal for track switch buttons(what ever thats called, even tho i kno whats it for) that says Relay

 

what does that mean? Is it a word for Yard?

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Just like you said those are relay tracks, where the train is just temporary stored, not like in a yard. Most likely to be seen on express tracks or at terminals.

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I notice in some stations like 168th street on the (C)(A) and Broad Channel (A)(S) has the Attention Sign or the signal for track switch buttons(what ever thats called, even tho i kno whats it for) that says Relay

 

what does that mean? Is it a word for Yard?

 

Relaying a train is the procedure for changing ends and running in the other direction.

 

The "relay" track is therefore the track used to make this maneuver. Hence the phrase "relay on (track #)" means that's the track you use to relay your train. Certain tracks are assigned for this purpose, those are the relay tracks, so you "punch for the relay" when you get to the punch box.

 

Laying up a train is the procedure for "parking" or storing a train in a yard or on siding somewhere

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