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| Aldwych branch signalling 18/06/2019 at 22:32 #119045 | |
clive
2789 posts |
An acquaintance asked me a question the other day about how the Aldwych branch of the Piccadilly Line was signalled. It turns out I don't have any diagrams at all relating to it. Does anyone have a basic diagram of the branch and the junction with the main route, just showing where the signals are? (Though more detail is always welcome.)
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| Aldwych branch signalling 18/06/2019 at 22:47 #119046 | |
Edgemaster
332 posts |
Harsig is always a good resource for LU signal diagrams. There's a 1931 Picadilly line diagram available, which I doubt has had much changed in the meantime in the central tunnel sections.
Last edited: 18/06/2019 at 22:51 by Edgemaster Reason: None given Log in to reply |
| Aldwych branch signalling 19/06/2019 at 15:57 #119052 | |
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clive
2789 posts |
Hmm, I'd forgotten about Harsig. Someone else has sent me some stuff which shows that it *has* changed since then, two or three times. Log in to reply |
| Aldwych branch signalling 19/06/2019 at 16:28 #119054 | |
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TUT
534 posts |
How contemporary were you hoping for? Obviously the branch is not in regular use anymore. I understand it's used for filming, and there is a train down there which they can move. In connection with this, I think it is still possible to get trains on and off the branch, although I think that might change if/when Holborn is remodelled. I'm a bit out of the loop... Here's a picture of Earl's Court control room from 2005. http://www.anorakheaven.com/photos/ect_cr34.jpg Piccadilly line signalling is, I understand, in the process of being moved to a new control room as part of the Piccadilly Interim Control Upgrade. That might even already be complete. Out of the loop, as I say. The key point is the area may no longer be controlled from Earl's Court as we type, but I don't think the signals themselves have changed as part of the upgrade. Log in to reply The following user said thank you: 9pN1SEAp |
| Aldwych branch signalling 19/06/2019 at 20:26 #119059 | |
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clive
2789 posts |
Thanks. That matches what I've got and illuminates some details.
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