I believe it is because when Edgware Road was rebuilt in the 1920s it was for a planned extension of the Metropolitan line that split between Edgware Road and Paddington. The plan was cancelled after it was built and presumably they have been retained for flexibility. Not much point paying to resignal them.Is there a reason why the centre platforms at Edgware Road are not bay platforms? They are almost always, exclusively used for terminating trains. How often do through trains use them?
In my twelve years of near-daily use*, I was on some services that used platforms 2 or 3 to / from Baker Street.Is there a reason why the centre platforms at Edgware Road are not bay platforms? They are almost always, exclusively used for terminating trains. How often do through trains use them?
Is there a reason why the centre platforms at Edgware Road are not bay platforms? They are almost always, exclusively used for terminating trains. How often do through trains use them?
There was a plan for a curve east of Edgware Road to join up with the line towards Finchley Road - I'm not aware of any other junction being planned on the Paddington side.I believe it is because when Edgware Road was rebuilt in the 1920s it was for a planned extension of the Metropolitan line that split between Edgware Road and Paddington. The plan was cancelled after it was built and presumably they have been retained for flexibility. Not much point paying to resignal them.
Generally speaking such services would have been detrained at Baker Street, and then a convoluted shunting procedure to get the train to reverse inner to outer via the west end Edgware Road. A stock were overlength for the centre roads, and even in days gone by was avoided whenever possible, so I suspect the points immediately to the east of Baker Street were otherwise unavailable. Worth noting that platform 2 is also only accessible to eastbound trains and not from the Baker Street direction. The time scale certainly supports a more disciplined approach rather than some of what happened in much older times.In my twelve years of near-daily use*, I was on some services that used platforms 2 or 3 to / from Baker Street.
It was typically when balancing a serrvice, or occurenxe of a problem with a train already in platform 1 or platform 4.
The rarest, was when a country-bound Met Line service was mis-routed at Baker Street! I was at Edgware Road, waiting for my H+CL train - and a pair of A60/A62 stock, with many confused / annoyed faces inside, rolled into platform 2.
I guess Edware Road was the first possible place to cross it back over for an eastward return; I suspect it was then taken out of service at Great Portland Street, rather than it doing another crossback at Kings Cross.
* I used Edgware Road CL/H+CL station, for commuting, 1998 to 2012 (two years from + to Liverpool Street, then five years from + to West Brompton / Earls Court, then seven years from / to Docklands).
Noted thanks, I assume you refer to the patch to the right of "Road".No, the junction was planned to the west of Edgware Road, between Edgware Road and Praed Street Junction - @Benjwri is correct.
This archive image of the erstwhile signal cabin shortly after opening shows the planned junction painted out on the diagram.
It would have gone to Finchley Road, then it was decided that building the Bakerloo/Jubilee line there instead was a more sensible ideaNoted thanks, I assume you refer to the patch to the right of "Road".
This doesn't make a lot of sense operationally though - the extra trains using this route would either have fed straight into the Baker Street bottleneck or would have had to terminate at Edgware Road ... which would only have needed bay platforms ...
In my twelve years of near-daily use*, I was on some services that used platforms 2 or 3 to / from Baker Street.
It was typically when balancing a serrvice, or occurenxe of a problem with a train already in platform 1 or platform 4.
The rarest, was when a country-bound Met Line service was mis-routed at Baker Street! I was at Edgware Road, waiting for my H+CL train - and a pair of A60/A62 stock, with many confused / annoyed faces inside, rolled into platform 2.
I guess Edware Road was the first possible place to cross it back over for an eastward return; I suspect it was then taken out of service at Great Portland Street, rather than it doing another crossback at Kings Cross.
* I used Edgware Road CL/H+CL station, for commuting, 1998 to 2012 (two years from + to Liverpool Street, then five years from + to West Brompton / Earls Court, then seven years from / to Docklands).
@bluegoblin7 has corected (thanks!I wasn't quite as regular at Edgware Road but like you went Eastbound to/from Platforms 2 and 3. Never saw A Stock at Edgware Road though. That would have been quite the thing!
Now this is what I really want to hear more about! So was it in service at Baker Street? I.E. did it call at the H/C & Circle line platforms. If it was mis-routed, they wouldn't have known to take it out of service before Baker Street?The rarest, was when a country-bound Met Line service was mis-routed at Baker Street! I was at Edgware Road, waiting for my H+CL train - and a pair of A60/A62 stock, with many confused / annoyed faces inside, rolled into platform 2.
I guess Edware Road was the first possible place to cross it back over for an eastward return; I suspect it was then taken out of service at Great Portland Street, rather than it doing another crossback at Kings Cross.
Lots of insider-insight in post 7. The bottom third of that post, I think answers your q's.Now this is what I really want to hear more about! So was it in service at Baker Street? I.E. did it call at the H/C & Circle line platforms. If it was mis-routed, they wouldn't have known to take it out of service before Baker Street?
I wonder why that would annoy passengers, unless it caused a delay for trains behind it?!

No, the junction was planned to the west of Edgware Road, between Edgware Road and Praed Street Junction - @Benjwri is correct.
This archive image of the erstwhile signal cabin shortly after opening shows the planned junction painted out on the diagram.
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As mentioned, the station would have handled a higher number of through services had this gone ahead, necessitating a more flexible layout. This was also very much the mantra at the time, and was largely mirrored at Whitechapel at the east end.
The platforms certainly had daily booked workings prior to September 2019, but I haven't recently studied at C&H WTT in depth to confirm. They are incredibly useful 'get out of jail' cards at a busy junction station and crew relief point like Edgware Road, and the SSR as a whole would suffer without them.
I must say there is quite a lot of alternative history in this thread and I would treat much of it with caution. The Liverpool Street bay platform was almost exclusively the domain of fast, locomotive-hauled Metropolitan line services, for instance. 'Top side' District services were generally either part of the combined Met/District Inner Circle or were specials working to/from the District proper. That's not to say they would have never used the bay road, particularly after the end of locomotive hauled services, but it wasn't at all a regular proposition or reason for its use.
Idle speculation is one thing but contradicting the many printed and accurate histories of the Underground is a concerning modern trend - in fact checking my own work I've found a completely invented date for something, which I won't repeat here.
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Generally speaking such services would have been detrained at Baker Street, and then a convoluted shunting procedure to get the train to reverse inner to outer via the west end Edgware Road. A stock were overlength for the centre roads, and even in days gone by was avoided whenever possible, so I suspect the points immediately to the east of Baker Street were otherwise unavailable. Worth noting that platform 2 is also only accessible to eastbound trains and not from the Baker Street direction. The time scale certainly supports a more disciplined approach rather than some of what happened in much older times.