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Post by trentsidetraveller on May 16, 2011 11:44:31 GMT
Yesterday, I was on a Central Line train westbound from Bank. The train was originally a White City service, but was terminating at Holborn instead - I think it was due to an incident further up the line. Once everyone had detrained, the train left Holborn - but where would it have gone after that? Would it continue empty or is there a siding or cross-over it would have used to go back east?
Thanks,
trentsidetraveller
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Post by littlebrute on May 16, 2011 11:50:07 GMT
I believe there is a siding at the disused British Museum station between Tottenham Court Road and Holborn, this is where the train would've gone.
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Deleted
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Post by Deleted on May 16, 2011 12:15:06 GMT
Spot on.
Just to add, in other circumstances it is also possible to reverse east to west. Trains arrive at Holborn EB, detrain, reverse back to British Museum siding, reverse again, then into Holborn WB platform and reverse again to go westbound. This does, of course, require the T/Op to change ends three times - in Holborn EB platform, in the siding and in Holborn WB platform. This move has been done during engineering work in the past and then, train crew 'stepping back' was usually employed.
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Post by trentsidetraveller on May 16, 2011 13:35:01 GMT
Thanks for the answers, I wasn't aware that there even was a siding at British Museum!
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kabsonline
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Post by kabsonline on May 16, 2011 14:17:21 GMT
this may sound a silly question but after the train has been left in the siding in the single tunnel layout, how does the driver get back to the station?
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Post by causton on May 16, 2011 14:33:21 GMT
I assume the stepping back takes place on the platform rather than in the siding as well  |
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Chris M
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Post by Chris M on May 16, 2011 16:10:47 GMT
I would expect that driver A drives the train into Holborn EB from the east end cab.
Driver B gets into the west end cab and drives the train westbound into the siding after passengers have been detrained.
Driver A, having remained in the eastbound cab, then drives the train eastbound into Holborn westbound platform, alights from the train and walks to the west end of the eastbound platform and gets into the west end cab of the next train to arrive there.
Driver B meanwhile waits for passengers to entrain and then drives the train westbound to its destination.
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Deleted
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Post by Deleted on May 25, 2011 19:11:54 GMT
Would it be possible to drive partly down the disused Aldwych tracks as well?
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Chris M
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Post by Chris M on May 25, 2011 19:24:48 GMT
I don't think there are any disused Central Line tracks at Holborn? Aldwych was a Piccadilly Line station.
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Post by Deleted on May 25, 2011 19:25:02 GMT
Would it be possible to drive partly down the disused Aldwych tracks as well? We're talking about the Central Line not the Piccadilly here. On the Picc the connection is in the tunnel near Covent Garden and requires bang road running from the station. AIUI the lever can't be controlled from the main control centre either to set the route to the Aldwych branch. |
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gantshill
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Post by gantshill on May 25, 2011 20:03:42 GMT
The connection to the Aldwych branch is physically north of Holborn Station, on the line towards Russell Square. It comes in on the right hand side.
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Deleted
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Post by Deleted on May 25, 2011 20:49:11 GMT
Och, you'd be right there gantshill, I have no idea where I remember reading that from - but have suspicion it'd be on the recent 38ts move to Aldwych and back thread.
Either that or I'm confusing some sort of locking with the actual connection.
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Post by Deleted on May 25, 2011 20:59:10 GMT
Ive read/heard that the points leading to the Aldwych branch are no longer connected to any form or power, electric or air so they have to be manually shifted
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Post by abe on May 26, 2011 6:55:26 GMT
The crossover at Covent Garden was taken out years ago, and it was a long time before that point that the Aldwych trains stopped using it. The wrong-road running would cause too much of a delay on the EB. From memory it was c.1920 that the train started reversing at York Road rather than Covent Garden.
Either way, the points north of Holborn would have been used to get onto the EB main-line first; the revised procedure saved holding the next EB train in the platform at Covent Garden whilst (i) Holborn Junction was changed, (ii) the train proceeded to the shunt position, (iii) the driver changed ends whilst the junction was changed again, along with the Covent Garden crossover, (iv) the train drove wrong road to Covent Garden and across onto the WB road, and finally (v) the crossover was normalized.
I believe, but don't have confirmation, that the points at Holborn Junction are secured. I'm not aware that they are now hand-worked.
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Post by 1018509 on May 26, 2011 10:42:43 GMT
I don't think there are any disused Central Line tracks at Holborn? Aldwych was a Piccadilly Line station. I don't know which line it served but there is certainly a disused platform at Holborn accessible from a door on either the Piccadilly W/B or E/B (I can't remember which now) which used to have a "Central Line Model Railway Club notice on it. When you walked through the door you were on a platform edge and various rooms were there, built, I assume, on the original track bed. IIRC there was also a University of London cosmic ray detector in one of the rooms. |
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slugabed
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Post by slugabed on May 26, 2011 10:48:09 GMT
I don't think there are any disused Central Line tracks at Holborn? Aldwych was a Piccadilly Line station. I don't know which line it served but there is certainly a disused platform at Holborn accessible from a door on either the Piccadilly W/B or E/B (I can't remember which now) which used to have a "Central Line Model Railway Club notice on it. When you walked through the door you were on a platform edge and various rooms were there, built, I assume, on the original track bed. IIRC there was also a University of London cosmic ray detector in one of the rooms. That sounds like the long-disused Bay platform at Holborn,between the Main N/B Picc and the Aldwych through platform. en.wikipedia.org/wiki/File:Holborn_Station_Original_Layout.svg |
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Post by North End on May 26, 2011 11:07:21 GMT
I don't think there are any disused Central Line tracks at Holborn? Aldwych was a Piccadilly Line station. I don't know which line it served but there is certainly a disused platform at Holborn accessible from a door on either the Piccadilly W/B or E/B (I can't remember which now) which used to have a "Central Line Model Railway Club notice on it. When you walked through the door you were on a platform edge and various rooms were there, built, I assume, on the original track bed. IIRC there was also a University of London cosmic ray detector in one of the rooms. Most of which is history now .. as part of the recent station refurbishment, most of the rooms on the bay platform (known to staff as the hostel area) were removed, and the space is now more open back to resembing a Tube platform again. |
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Post by causton on May 27, 2011 21:03:03 GMT
I don't think there are any disused Central Line tracks at Holborn? Aldwych was a Piccadilly Line station. I don't know which line it served but there is certainly a disused platform at Holborn accessible from a door on either the Piccadilly W/B or E/B (I can't remember which now) which used to have a "Central Line Model Railway Club notice on it. When you walked through the door you were on a platform edge and various rooms were there, built, I assume, on the original track bed. IIRC there was also a University of London cosmic ray detector in one of the rooms. Just below the second map on this page are some pictures of that area: underground-history.co.uk/holborn.php |
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