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Signal placement Lea Green

You are here: Home > Forum > Simulations > Released > Warrington PSB > Signal placement Lea Green

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Signal placement Lea Green 24/02/2023 at 13:32 #150651
i26
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308 posts 		I don't know whether there is something I'm missing but Signal 587 is before Lea Green but 9E05 is stopped there?
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Signal placement Lea Green 24/02/2023 at 13:46 #150652
JamesN
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1607 posts 		It’s one track section. The train is past the signal and in the station platform.
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Signal placement Lea Green 24/02/2023 at 15:17 #150655
MrSuttonmann
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265 posts 		JamesN in post 150652 said:
It’s one track section. The train is past the signal and in the station platform.
Just to expand on this, the signal will only turn red if the next block is occupied - not when the train passes it, as there's no track curcuit break at the signal location. The station is situated within the overlap of signal 587, hence the train can be past the signal, but still within the same block.
(Formerly known as manadude2)
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Signal placement Lea Green 24/02/2023 at 16:28 #150661
clive
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2789 posts 		MrSuttonmann in post 150655 said:

Just to expand on this, the signal will only turn red if the next block is occupied - not when the train passes it, as there's no track curcuit break at the signal location. The station is situated within the overlap of signal 587, hence the train can be past the signal, but still within the same block.
There's somewhere in the WembleySub sim where a 3-car 313 (as used to be used there) can be beyond the signal and out of sight of anyone at the signal, but the signal is still green. One reason for the rule that, when passing a red, don't assume it's safe when you see a green.
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Signal placement Lea Green 24/02/2023 at 17:45 #150664
pedroathome
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915 posts 		clive in post 150661 said:
MrSuttonmann in post 150655 said:

Just to expand on this, the signal will only turn red if the next block is occupied - not when the train passes it, as there's no track curcuit break at the signal location. The station is situated within the overlap of signal 587, hence the train can be past the signal, but still within the same block.
There's somewhere in the WembleySub sim where a 3-car 313 (as used to be used there) can be beyond the signal and out of sight of anyone at the signal, but the signal is still green. One reason for the rule that, when passing a red, don't assume it's safe when you see a green.
I can't recall where, but on one of my sims, overlaps of 440 yards isn't uncommon (TCB territory and not AB) on a single track circuit.

In answer to the original question, I remember the station here being at the very very end of the overlap, and if I recall correctly from photos of the panel I'd seen (and this was way back early stages of writing the sim), that the panel shows it going partially onto the next track circuit

James
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