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A Moorgate to London Bridge Tunnel (Old chestnut)
If the Bank of England sacrificed its vaults (Very little use for them
now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? |
A Moorgate to London Bridge Tunnel (Old chestnut)
--- Jim Brown said: If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? Interesting idea, Jim... There's also the problem of the slope down from the high-level platforms at London Bridge to below the level of the river bed. Especially since the line also has to curve from east-west to north-south as it drops. |
A Moorgate to London Bridge Tunnel (Old chestnut)
Solar Penguin wrote:
--- Jim Brown said: If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? Interesting idea, Jim... There's also the problem of the slope down from the high-level platforms at London Bridge to below the level of the river bed. Especially since the line also has to curve from east-west to north-south as it drops. Surely the way to make this work is to build new tube-level platforms at Cannon St and London Bridge, and break the surface east of London Bridge? Of course that would increase your price by just a few quid. Robin |
A Moorgate to London Bridge Tunnel (Old chestnut)
Jim Brown wrote:
If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? I seem to recall that in the post war plans for Londons Transport, one of the new lines to be built was an extension of the Northern City line from Moorgate, through the City and to new underground platforms at London Bridge and linking with the Crystal Palace (High Level) branch line of the SR. |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Jim Brown" wrote in message om... If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? This is highly speculative and I'm sure the engineering feats involved would be considerable, but how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. Would create more direct North-South journey possibilities without building a second tunnel. However after Thameslink 2000 is complete this might prove rather superfluous anyway as there will be a direct route from the ECML through the new Kings Cross Thameslink station and on to Farringdon. It seems a shame to abandon the Moorgate Thameslink route though. Andrew |
A Moorgate to London Bridge Tunnel (Old chestnut)
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A Moorgate to London Bridge Tunnel (Old chestnut)
In message , at 22:10:48 on Tue,
12 Oct 2004, Andrew remarked: It seems a shame to abandon the Moorgate Thameslink route though. But it has to be closed to be able to extend the platform at Farringdon. Of course, a "Grand Plan" could also include rebuilding that station to reconfigure all the various junctions and level changes. -- Roland Perry |
A Moorgate to London Bridge Tunnel (Old chestnut)
John Ruddy wrote in message ...
Jim Brown wrote: If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? I seem to recall that in the post war plans for Londons Transport, one of the new lines to be built was an extension of the Northern City line from Moorgate, through the City and to new underground platforms at London Bridge and linking with the Crystal Palace (High Level) branch line of the SR. There were certainly thoughts of extending from Moorgate to serve a new station (i.e. not meeting up with other lines at Bank) near the Bank of England itself many years ago, and a few yards of tunnel were actually dug. This idea never really got past the drawing board stage, though. David E. Belcher |
A Moorgate to London Bridge Tunnel (Old chestnut)
On Wed, 13 Oct 2004 08:06:35 +0100 someone who may be Roland Perry
wrote this:- It seems a shame to abandon the Moorgate Thameslink route though. But it has to be closed to be able to extend the platform at Farringdon. It does not have to be closed. The plan is to close it because, apparently, of a RI diktat regarding level platforms. The same RI seem perfectly happy with passengers getting off trams in Manchester and onto the ramp of the (few remaining) profiled platforms. I have yet to hear of a huge number of injuries as a result of this. Note that the RI are sometimes used as an excuse by some people on the railways now. Their "diktat" may be nothing of the sort and the problem is dumbed down railway staff. However, note the word "sometimes", there are examples of a stupid approach by the RI (one of which has been highlighted in Modern Railways). -- David Hansen, Edinburgh | PGP email preferred-key number F566DA0E I will always explain revoked keys, unless the UK government prevents me by using the RIP Act 2000. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Andrew" wrote in message ...
This is highly speculative and I'm sure the engineering feats involved would be considerable, but how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. Would create I suspect the gradiants and curves required to join the 2 would be too severe unless a new line split off from blackfriars since from Barbican you'd have to drop about 20 metres and do a 90 degree turn in the space of 1/4 mile. more direct North-South journey possibilities without building a second tunnel. However after Thameslink 2000 is complete this might prove rather superfluous anyway as there will be a direct route from the ECML through the new Kings Cross Thameslink station and on to Farringdon. It seems a shame to abandon the Moorgate Thameslink route though. Don't worry , at the speed things are progressing I suspect it'll soon be renamed Thameslink 3000. B2003 |
A Moorgate to London Bridge Tunnel (Old chestnut)
"R.C. Payne" wrote in message ...
Solar Penguin wrote: --- Jim Brown said: If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? Interesting idea, Jim... There's also the problem of the slope down from the high-level platforms at London Bridge to below the level of the river bed. Especially since the line also has to curve from east-west to north-south as it drops. Surely the way to make this work is to build new tube-level platforms at Cannon St and London Bridge, and break the surface east of London Bridge? Of course that would increase your price by just a few quid. Well yes I kind of presumed underground platforms at London Bridge but I didnt make that explicit. But as a ball park figure and assuming you could slot it into the London Bridge rebuild I'm guessing it would cost £3/4 billion. Of course the question then is which line(s) south of the river would be best to used for a new cross-london service? |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Boltar" wrote in message om... Don't worry , at the speed things are progressing I suspect it'll soon be renamed Thameslink 3000. usually is on uk.r Peter |
A Moorgate to London Bridge Tunnel (Old chestnut)
In message , at
02:33:12 on Wed, 13 Oct 2004, Jim Brown remarked: Well yes I kind of presumed underground platforms at London Bridge but I didnt make that explicit. Isn't the Jubilee Line in the way? -- Roland Perry |
A Moorgate to London Bridge Tunnel (Old chestnut)
In message , at 09:17:45 on
Wed, 13 Oct 2004, David Hansen remarked: But it has to be closed to be able to extend the platform at Farringdon. It does not have to be closed. The plan is to close it because, apparently, of a RI diktat regarding level platforms. The bit of track north of the station is *very* steep, however; if not the steepest on the national network, at least in the top 5. -- Roland Perry |
A Moorgate to London Bridge Tunnel (Old chestnut)
"David E. Belcher" wrote in message om... I seem to recall that in the post war plans for Londons Transport, one of the new lines to be built was an extension of the Northern City line from Moorgate, through the City and to new underground platforms at London Bridge and linking with the Crystal Palace (High Level) branch line of the SR. There were certainly thoughts of extending from Moorgate to serve a new station (i.e. not meeting up with other lines at Bank) near the Bank of England itself many years ago, and a few yards of tunnel were actually dug. This idea never really got past the drawing board stage, though. For years, I've advocated joining the Northern City Line from Moorgate up with the W&C line at Bank to form the basis of a new key route through the City and turning two rubbish lines into something useful. Tunnel from Moorgate to Bank, astation at Blackfriars, and a tunnel to the surface between Waterloo and Vauxhall. Can't be a lot of work compared to most of the schemes that are proposed these days. And yet the result would be massively useful - Herts/North London to SW London/Surrey via Finsbury Park, Old Street, Bank, Blackfriars, Waterloo and Vauxhall. Routes such as Woking direct to Bank or Palmers Green direct to Blackfriars or Wimbledon to Finsbury Park. I can't believe no-one has ever seriously considered this idea before. BTN |
A Moorgate to London Bridge Tunnel (Old chestnut)
On Wed, 13 Oct 2004 11:32:11 +0100 someone who may be Roland Perry
wrote this:- It does not have to be closed. The plan is to close it because, apparently, of a RI diktat regarding level platforms. The bit of track north of the station is *very* steep, however; if not the steepest on the national network, at least in the top 5. It is indeed steep. However, I very much doubt if it as steep as the ramps on the profiled platforms in manchester. -- David Hansen, Edinburgh | PGP email preferred-key number F566DA0E I will always explain revoked keys, unless the UK government prevents me by using the RIP Act 2000. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
A Moorgate to London Bridge Tunnel (Old chestnut)
Sir Benjamin Nunn wrote:
"David E. Belcher" wrote in message om... I seem to recall that in the post war plans for Londons Transport, one of the new lines to be built was an extension of the Northern City line from Moorgate, through the City and to new underground platforms at London Bridge and linking with the Crystal Palace (High Level) branch line of the SR. There were certainly thoughts of extending from Moorgate to serve a new station (i.e. not meeting up with other lines at Bank) near the Bank of England itself many years ago, and a few yards of tunnel were actually dug. This idea never really got past the drawing board stage, though. For years, I've advocated joining the Northern City Line from Moorgate up with the W&C line at Bank to form the basis of a new key route through the City and turning two rubbish lines into something useful. Tunnel from Moorgate to Bank, astation at Blackfriars, and a tunnel to the surface between Waterloo and Vauxhall. Can't be a lot of work compared to most of the schemes that are proposed these days. And yet the result would be massively useful - Herts/North London to SW London/Surrey via Finsbury Park, Old Street, Bank, Blackfriars, Waterloo and Vauxhall. Routes such as Woking direct to Bank or Palmers Green direct to Blackfriars or Wimbledon to Finsbury Park. I can't believe no-one has ever seriously considered this idea before. You'd have to enlarge the Waterloo & City line which would be extremely expensive - it might even be easier to just build a new line (i.e. Crossrail 2!). Don't forget that the Waterloo & City line is far from rubbish; it's extremely busy in the peaks with commuters arriving at Waterloo, and unless you send *all* SWT services through your route, everyone will still end up piling onto the new through trains which will already be heavily loaded. A high frequency would probably be difficult to achieve. -- Dave Arquati Imperial College, SW7 www.alwaystouchout.com - Transport projects in London |
A Moorgate to London Bridge Tunnel (Old chestnut)
Roland Perry wrote in message o.uk...
In message , at 02:33:12 on Wed, 13 Oct 2004, Jim Brown remarked: Well yes I kind of presumed underground platforms at London Bridge but I didnt make that explicit. Isn't the Jubilee Line in the way? This was my original question, is it physically feasible or is the ground to congested around there with other burrowings? |
A Moorgate to London Bridge Tunnel (Old chestnut)
In message , at
08:14:53 on Wed, 13 Oct 2004, Jim Brown remarked: Isn't the Jubilee Line in the way? This was my original question, is it physically feasible or is the ground to congested around there with other burrowings? Are you attempting to shadow the Cannon St line, but Underground? If so, I think you'd need to cross under the Northern, and be parallel to, under, the Jubilee. Don't forget that they are planning to build a huge tower block over LB station, too. The foundations for that are going to be "interesting", in any event! -- Roland Perry |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Dave Arquati" wrote in message ... For years, I've advocated joining the Northern City Line from Moorgate up with the W&C line at Bank to form the basis of a new key route through the City and turning two rubbish lines into something useful. Tunnel from Moorgate to Bank, astation at Blackfriars, and a tunnel to the surface between Waterloo and Vauxhall. Can't be a lot of work compared to most of the schemes that are proposed these days. And yet the result would be massively useful - Herts/North London to SW London/Surrey via Finsbury Park, Old Street, Bank, Blackfriars, Waterloo and Vauxhall. Routes such as Woking direct to Bank or Palmers Green direct to Blackfriars or Wimbledon to Finsbury Park. I can't believe no-one has ever seriously considered this idea before. You'd have to enlarge the Waterloo & City line which would be extremely expensive - it might even be easier to just build a new line (i.e. Crossrail 2!). Hmmm.... I thought the W&C tunnels were big enough to take regular stock... Thought I had vague memories of NSE trains running on the line before the management went over to LUL, but could well be wrong. Don't forget that the Waterloo & City line is far from rubbish; I've only had about two legitimate causes to use it in my life. But I can see why it might be popular with some very very conformist passengers who live in Surrey, wear the same suit every day, and work 9-5 in the City. it's extremely busy in the peaks with commuters arriving at Waterloo, and unless you send *all* SWT services through your route, everyone will still end up piling onto the new through trains which will already be heavily loaded. A high frequency would probably be difficult to achieve. There's probably a good case for duplicating the track there anyway. Then the line could potentially run a mixture of short-run services using tube stock (terminating at Waterloo when coming from the north, and at Bank when approaching from the South) and longer distances with mainline trains. BTN |
A Moorgate to London Bridge Tunnel (Old chestnut)
In message , at 16:53:18 on Wed, 13 Oct
2004, Sir Benjamin Nunn remarked: Hmmm.... I thought the W&C tunnels were big enough to take regular stock... Thought I had vague memories of NSE trains running on the line before the management went over to LUL, but could well be wrong. Erm, the trains were once run by NSE, but they were small tube trains. I've had a cab ride on the W&C and I can assure you that the Central Line stick they are currently using only *just* fits!! -- Roland Perry |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Sir Benjamin Nunn" wrote in message
... I thought the W&C tunnels were big enough to take regular stock... No, in fact they had to be enlarged slightly to take the 92 stock. Thought I had vague memories of NSE trains running on the line before the management went over to LUL, but could well be wrong. They were certainly NSE trains, but approximately tube gauge. The current 92 stock are still in NSE livery. You might be interested in something I put together a few years ago. http://www.geocities.com/Athens/Acro...tml#BlackTrack -- John Rowland - Spamtrapped Transport Plans for the London Area, updated 2001 http://www.geocities.com/Athens/Acro...69/tpftla.html A man's vehicle is a symbol of his manhood. That's why my vehicle's the Piccadilly Line - It's the size of a county and it comes every two and a half minutes |
A Moorgate to London Bridge Tunnel (Old chestnut)
Sir Benjamin Nunn wrote:
Hmmm.... I thought the W&C tunnels were big enough to take regular stock... Thought I had vague memories of NSE trains running on the line before the management went over to LUL, but could well be wrong. They use similar stock to that in use on the Central. When delivered it was in NSE livery, as was the previous 1941 stock IIRC. |
A Moorgate to London Bridge Tunnel (Old chestnut)
On 13 Oct 2004, Boltar wrote:
"Andrew" wrote in message ... This is highly speculative and I'm sure the engineering feats involved would be considerable, but how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. Would create I suspect the gradiants and curves required to join the 2 would be too severe unless a new line split off from blackfriars since from Barbican you'd have to drop about 20 metres and do a 90 degree turn More like a 120 degree turn, i think. in the space of 1/4 mile. Think outside the box! Don't do it with a curve to the north, do with with a curve to the south - a spiral tunnel heading down and round. Not only does that give you the space to do it, but it spreads the height change out over a greater distance. tom -- POTATO POWER IS UNTRACEABLE POWER |
A Moorgate to London Bridge Tunnel (Old chestnut)
On Tue, 12 Oct 2004, Andrew wrote:
"Jim Brown" wrote in message om... If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? This is highly speculative and I'm sure the engineering feats involved would be considerable, but how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. Would create more direct North-South journey possibilities without building a second tunnel. However after Thameslink 2000 is complete this might prove rather superfluous anyway as there will be a direct route from the ECML through the new Kings Cross Thameslink station and on to Farringdon. It seems a shame to abandon the Moorgate Thameslink route though. It does. I reckon it should be extended east from Moorgate, to Liverpool Street, then Whitechapel, then turning north to a portal around the Bethnal Green junction thing, where it could take over the West Anglia slow lines. Doing that would decouple those lines from the mainline part of Liverpool Street, which would relieve the station _and_ allow the line to run more frequent trains. It would also give that line more reach into town. The western end would either be some new platforms on the existing track at Farringdon (cheap, and still useful), or down into more tunnel to some new deep platforms at Farringdon, and then off on some sort of Crossrail N jaunt: i like Holborn, Embankment, Westminster, Victoria, then a bit of Chelsea-Hackney action to Sloane Square, King's Road Chelsea, Chelsea Harbour, Clapham Junction, then another portal to take over the slow pair on the LSW main line as far as Hampton Court, plus perhaps the Leatherhead (IIRC) line down to Epsom (with mainline trains through Epsom going into London via Sutton, unless someone feels like four-tracking from Epsom to the mainline). Might be a bit expensive just to save a mile of track, though. tom -- POTATO POWER IS UNTRACEABLE POWER |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Sir Benjamin Nunn" wrote in message ... Hmmm.... I thought the W&C tunnels were big enough to take regular stock... Thought I had vague memories of NSE trains running on the line before the management went over to LUL, but could well be wrong. Until around 1990 it was operated with specially built Southern Railway stock, though in its last years it may have been painted in NSE livery. Some of these trains even had ventilator grilles until the end of their lives which formed the words 'Southern Railway.' The new stock which arrived in 1990 was part of the LUL Central Line order, but was painted in NSE livery. Subsequently operation was transferred to LUL. But the loading gauge is very definitely tube gauge. Peter |
A Moorgate to London Bridge Tunnel (Old chestnut)
John Rowland wrote to uk.transport.london on Wed, 13 Oct 2004:
They were certainly NSE trains, but approximately tube gauge. The current 92 stock are still in NSE livery. Er - when did you last go on the W&C? Last time I went, at an Open Day a few years ago, the line were in ordinary LUL livery. -- "Mrs Redboots" http://www.amsmyth.demon.co.uk/ Website updated 26 September 2004 |
A Moorgate to London Bridge Tunnel (Old chestnut)
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A Moorgate to London Bridge Tunnel (Old chestnut)
On 13 Oct 2004, Jim Brown wrote:
"R.C. Payne" wrote in message ... Solar Penguin wrote: --- Jim Brown said: If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? Interesting idea, Jim... There's also the problem of the slope down from the high-level platforms at London Bridge to below the level of the river bed. Especially since the line also has to curve from east-west to north-south as it drops. Surely the way to make this work is to build new tube-level platforms at Cannon St and London Bridge, and break the surface east of London Bridge? Of course that would increase your price by just a few quid. Well yes I kind of presumed underground platforms at London Bridge but I didnt make that explicit. But as a ball park figure and assuming you could slot it into the London Bridge rebuild I'm guessing it would cost £3/4 billion. Of course the question then is which line(s) south of the river would be best to used for a new cross-london service? Dartford. What i'd do is surface as soon as possible onto the northernmost pair of tracks heading into (or out of) London Bridge, then run down to Lewisham (via a new station at the proposed Deptford Park ELL station), then out over all three routes to Dartford. You could run out to Ebbsfleet as well, if you liked. Ideally, you'd run a tube-style service. All this would interfere with other lines, like Crossrail (which is going to use part of the North Kent Line), mainline services from beyond Dartford (which would have to share with the metro as far as Lewisham) and the line (the Greenwich Line?) from London Bridge to Charlton. I'd solve the first two by fiddling about with Crossrail: beyond Canary Wharf, keep going south, to Lewisham, then turn and go to Dartford, still in tunnel; mainline trains could then use the tunnel to get to Lewisham, and carry on as normal from there, via another portal. Alternatively, don't get quite so radical with Crossrail, just follow the existing route but all in tunnel, and four-track one of the Dartford-Lewisham lines for the mainline (which is probably impossible - although probably cheaper than the ~100 million mile tunnel needed in the other option). The Greenwich Line, i'd transfer to the ELL - you just need a little tiny connection through some mangy trading estate around TQ366777; you'd lose the ELL service to New Cross, but New Cross would gain the metro in return. In other news, are Crossrail seriously not proposing a station at London City Airport? Is that what Custom House is supposed to be for? I think we discussed this, but most Crossrail stuff goes right over my head. tom -- POTATO POWER IS UNTRACEABLE POWER |
A Moorgate to London Bridge Tunnel (Old chestnut)
On Wed, 13 Oct 2004, Sir Benjamin Nunn wrote:
"David E. Belcher" wrote in message om... I seem to recall that in the post war plans for Londons Transport, one of the new lines to be built was an extension of the Northern City line from Moorgate, through the City and to new underground platforms at London Bridge and linking with the Crystal Palace (High Level) branch line of the SR. There were certainly thoughts of extending from Moorgate to serve a new station (i.e. not meeting up with other lines at Bank) near the Bank of England itself many years ago, and a few yards of tunnel were actually dug. This idea never really got past the drawing board stage, though. For years, I've advocated joining the Northern City Line from Moorgate up with the W&C line at Bank to form the basis of a new key route through the City and turning two rubbish lines into something useful. That's a neat idea. We really should have somewhere to write down these plans. In fact, what we need is something like: http://www.ratemynetworkdiagram.com/ But for hypothetical railway lines ... Anyway, as has been pointed out, th W&C is tube gauge, not mainline, so would need to be widened. Visionless naysayers protest that this would be impossible, but i demur - that's exactly what, i read in CULG, was done to the City & South London Railway when it became part of the Northern Line. They even did much of the widening at night, with trains still running in the day! Until they hit a gas main and exploded it, anyway. I can't believe no-one has ever seriously considered this idea before. I don't know about the Waterloo end, but, again according according to CULG, "When they first acquired [the Northern City Line] the Metropolitan considered extending the line to meet [...] the Waterloo & City". tom -- POTATO POWER IS UNTRACEABLE POWER |
A Moorgate to London Bridge Tunnel (Old chestnut)
--- Alistair Bell said: I'd be more interested in the feasibility of turning the Northern City into a DLR line to East Finchley... the tunnelling would be much shorter (but again with vault issues) And also the issue of getting the DLR from directly below the Northern line at Bank to directly above it at Moorgate. Apart from that, it's a great idea, Alistair. It would relieve overcowding of the Northern line's City and Edgware And it would give people in Essex Rd and Drayton Pk a proper weekend/evening service for the first time in ages! Divert existing Moorgate services over TL3K to South London (hey, the 313s are ideal for that job) Aren't there loading guage problems on the Thameslink tunnel? IIRC only 319s are ideal, anything else is adequate at best. But maybe enlarging the tunnel is part of TL3K. It's been so long since it was first proposed, I can't even remember! It would be nice to run the DLR all the way on to Mill Hill (or even via Mill Hill to Edgware!), but track-sharing and/or grade separation issues might stymie that. It'd need a flyover to take the DLR over the northbound Northern track (Still cheaper than all that tunnelling between Moorgate and Bank!) and an extra platform at Finchley Central if there's space. Otherwise, single-track it through FC, add a passing loop between there and Mill Hill East, and rely on the computers and moving blocks to schedule the trains round it efficiently. (cf. Pudding Mill Lane) |
A Moorgate to London Bridge Tunnel (Old chestnut)
--- Tom Anderson said: It does. I reckon it should be extended east from Moorgate, to Liverpool Street, then Whitechapel, then turning north to a portal around the Bethnal Green junction thing, where it could take over the West Anglia slow lines. Doing that would decouple those lines from the mainline part of Liverpool Street, which would relieve the station _and_ allow the line to run more frequent trains. It would also give that line more reach into town. The western end would either be some new platforms on the existing track at Farringdon (cheap, and still useful), or down into more tunnel to some new deep platforms at Farringdon, and then off on some sort of Crossrail N jaunt: i like Holborn, Embankment, Westminster, Victoria, then a bit of Chelsea-Hackney action to Sloane Square, King's Road Chelsea, Chelsea Harbour, Clapham Junction, then another portal to take over the slow pair on the LSW main line as far as Hampton Court, plus perhaps the Leatherhead (IIRC) line down to Epsom (with mainline trains through Epsom going into London via Sutton, unless someone feels like four-tracking from Epsom to the mainline). Might be a bit expensive just to save a mile of track, though. Oooh... this looks like fun. Can I have a go? As the Met and the widened lines leave Barbican, they're heading SW, before turning east for Farringdon. Immediately after leaving Barbican, drop the WLs down into a new tube tunnel, still heading SW to Chancery Lane and Covent Gdn, then terminate in the Jubilee platforms at Charing X. It would provide a missing tube link NW from Charing X and SW from Moorgate. And might even be cheaper than Tom's option. |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Andrew" wrote in message ...
"Jim Brown" wrote in message om... If the Bank of England sacrificed its vaults (Very little use for them now, with the gold sold off) and Cannon Street St was put underground (Plus a new tunnel under the Thames), would a tunnel connecting Moorgate and London Bridge be feasible? Or do the tube lines around there make it impossible? This is highly speculative and I'm sure the engineering feats involved would be considerable, but how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. Would create more direct North-South journey possibilities without building a second tunnel. However after Thameslink 2000 is complete this might prove rather superfluous anyway as there will be a direct route from the ECML through the new Kings Cross Thameslink station and on to Farringdon. It seems a shame to abandon the Moorgate Thameslink route though. Andrew Who says it has to be abandoned? If Farringdon Junction does need to be lifted and replaced with plain track in order to extend the platforms, what's to stop the third leg of the Thameslink Triangle, from City Thameslink to Barbican, from being restored in response? This way, the old Ludgate Hill/Holborn Viaduct scenario is recreated: Thameslink gets the through route to Midland Road, as well as the alternate terminus at Moorgate if things go up the wall; anybody who wants to go to Moorgate from Midland Road can use the Met from Farringdon. Has this ever been proposed? If it hasn't, how could something so obvious be missed? Is there anything preventing the third side of the triangle from being restored? |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Annabel Smyth" wrote in message
... John Rowland wrote to uk.transport.london on Wed, 13 Oct 2004: The current 92 stock are still in NSE livery. Last time I went, at an Open Day a few years ago, the line were in ordinary LUL livery. That's a shame. I'd love to know how the business case for the repainting stacked up. I bet it contained words like "synergy". -- John Rowland - Spamtrapped Transport Plans for the London Area, updated 2001 http://www.geocities.com/Athens/Acro...69/tpftla.html A man's vehicle is a symbol of his manhood. That's why my vehicle's the Piccadilly Line - It's the size of a county and it comes every two and a half minutes |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Tom Anderson" wrote in message
... On 13 Oct 2004, Boltar wrote: "Andrew" wrote in message ... how about connecting the Northern City / WAGN line with the Thameslink spur into Moorgate, and restoring the 3rd curve at Farringdon Junction making it a triangular junction again. I suspect the gradiants and curves required to join the 2 would be too severe unless a new line split off from blackfriars since from Barbican you'd have to drop about 20 metres and do a 90 degree turn More like a 120 degree turn, i think. in the space of 1/4 mile. Think outside the box! Don't do it with a curve to the north, do with with a curve to the south - a spiral tunnel heading down and round. Not only does that give you the space to do it, but it spreads the height change out over a greater distance. And it could call at Moorgate twice, just in case you missed your stop the first time. -- John Rowland - Spamtrapped Transport Plans for the London Area, updated 2001 http://www.geocities.com/Athens/Acro...69/tpftla.html A man's vehicle is a symbol of his manhood. That's why my vehicle's the Piccadilly Line - It's the size of a county and it comes every two and a half minutes |
A Moorgate to London Bridge Tunnel (Old chestnut)
On Wed, 13 Oct 2004 22:52:04 +0100, "John Rowland"
wrote: That's a shame. I'd love to know how the business case for the repainting stacked up. I bet it contained words like "synergy". I'm fairly sure they were in NSE livery last time I checked. I guess either one set is in one livery and the other in the other, or the OP is confused because NSE livery and Tube livery contain more or less the same base colours (red/white/blue). Neil -- Neil Williams in Milton Keynes, UK To e-mail use neil at the above domain |
A Moorgate to London Bridge Tunnel (Old chestnut)
Annabel Smyth wrote the following in:
John Rowland wrote to uk.transport.london on Wed, 13 Oct 2004: They were certainly NSE trains, but approximately tube gauge. The current 92 stock are still in NSE livery. Er - when did you last go on the W&C? Last time I went, at an Open Day a few years ago, the line were in ordinary LUL livery. You must be mistaken. The Waterloo and City line definitely still has trains painted in NSE livery. -- message by the incredible Robin May. "The British don't like successful people" - said by British failures Who is Abi Titmuss? What is she? Why is she famous? http://robinmay.fotopic.net |
A Moorgate to London Bridge Tunnel (Old chestnut)
Benjamin Nunn:
I thought the W&C tunnels were big enough to take regular stock... John Rowland: No, in fact they had to be enlarged slightly to take the 92 stock. CULG gives the Waterloo & City Line tunnel diameter as 3.70 m (12' 1.75"), which if I remember correctly was taken from Rails Through the Clay. This is *larger* than the nominal 11' 8.25" of the Central Line, so what had to be enlarged? -- Mark Brader, Toronto "Do people confuse me with Mark Brader?" --Mark Barratt |
A Moorgate to London Bridge Tunnel (Old chestnut)
"Mark Brader" wrote in message
... Benjamin Nunn: I thought the W&C tunnels were big enough to take regular stock... John Rowland: No, in fact they had to be enlarged slightly to take the 92 stock. CULG gives the Waterloo & City Line tunnel diameter as 3.70 m (12' 1.75"), which if I remember correctly was taken from Rails Through the Clay. This is *larger* than the nominal 11' 8.25" of the Central Line, so what had to be enlarged? The metal ribs (I don't know the correct name) on the inside of the rings had to be trimmed on some of the curves. This may be more to do with the length of the 92 stock than their width, or it may be to do with their kinematic envelope differing from that of the previous stock. Perhaps the Central Line already used larger rings on some or all of the curves. -- John Rowland - Spamtrapped Transport Plans for the London Area, updated 2001 http://www.geocities.com/Athens/Acro...69/tpftla.html A man's vehicle is a symbol of his manhood. That's why my vehicle's the Piccadilly Line - It's the size of a county and it comes every two and a half minutes |
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