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Chiltern disruption near Marylebone (20 February 2025)

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Bristol Rover

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I was caught up in this farrago yesterday, about as badly as could be. Here's my day and a few observations, for those interested.

I was on the 09:34 from Haddenham into London. The platform was busy as it was the first off-peak train in half term. The train was only 2 carriages and people were already standing as it pulled in. About 80% of those on the platform managed to squeeze in, but many couldn't board and had to wait for the next one (perhaps lucky them, as it turned out). The train sat at the station for 5 minutes before the driver informed us of issues at Marylebone. We trundled off to Saunderton, where we stopped and the driver reopened the doors to let in fresh air and for people to stretch their legs. I knew we were in for a long delay as I looked up Real Time Trains (RTT) and saw the two trains ahead of us hadn't arrived at London and one was sat at High Wycombe. After a while, we left Saunderton and made it to High Wycombe, where the driver again opened the doors - some people got off to stretch their legs, some got off and gave up. Eventually, we were then told we'd be leaving for West Ruislip and to get the tube into Central London. I arrived at Oxford Circus at 12:40, nearly 2 and a half hours after I was due into Marylebone. Things go wrong, hey ho, but the provision of only 2 carriages for an Oxford-London train made the situation utterly more miserable than it should have been.

For the return journey (starting at 3:40ish from Oxford Circus) I looked up on my phone and saw that the advice was Marylebone was going to be disrupted until 18:00 at the earliest, and then it changed to something along the line of no trains out of Marylebone tonight. I saw from Real Time Trains that services seemed to be starting at West Ruislip, so I made my way back there. I got to West Ruislip, narrowly missing the 16:20 by a couple of minutes, but had seen there was a 17:20 scheduled and later trains, so thought I'd just pop for a pint and wait - no major drama. However, the 17:20 then disappeared from RTT and cancellation signs for other services started appearing on the displays on the platform (the next displayed train was 18:04 to High Wycombe), so I began to get concerned and didn't go for that pint. The only staff member on site was one TFL attendant in the ticket office - she had just been told 'everything is back to normal and trains will be running from London' by a horde of Chiltern Railway Staff who had all apparently just left the station. She was getting swamped with enquiries and I felt sorry for her.

There were lots of other people waiting for trains at West Ruislip (and more arriving with each underground train) - many of whom had actually been to Marylebone and been instructed by Chiltern Railways staff to make their way to West Ruislip. This was interesting, as it was clearly official advice, rather than my working it out for myself decision.

Chatting to other passengers on the platform at West Ruislip, some of whom were working in the industry, scepticism grew about whether any of the timetabled/retimetabled trains would actually materialise at West Ruislip. The National Rail website was still showing the 17:20 if you looked up a journey, but it was missing from RTT, so I was sceptical too. Several passengers decided to return to Marylebone by the tube (wisely, as it turned out). I suggested that that given Chiltern had been directing people to travel to West Ruislip, surely the trains now coming out of London would stop there to pick people up. Their experience in the industry suggested this was wishful thinking, and they were right.

With the situation looking uncertain, the weather worsening and there being absolutely no information at the station, four of us all travelling to Haddenham shared an Uber, which was £15 each. Other passengers also took matters into their own hands and arranged taxis.

Based on what I can see from RTT, it looks like not a single Birmingham bound train stopped at West Ruislip after 16:20. Is this correct? Not a single train back to Haddenham did either. I can see one that went to Oxford at 22:54!

I think it's appalling that Chiltern directed people to West Ruislip and then didn't even have any staff on site to manage the situation - they would have known lots of people would have made that journey, many of whom were specifically directed there. I can't help but think these staff knew what was coming and did a runner to avoid managing angry passengers at Ruislip! I understand things go wrong on the railways, but the protocol in place to manage the disruptions/communicate leaves a lot to be desired. It was stressful enough as a fairly experienced and able bodied passenger - for anyone elderly, vulnerable or disabled, it would put you off travelling on the railways for life.

Other observations:
There were no less than four TFL staff at the barriers at Oxford Circus, and none of them had any idea that my Chiltern ticket should allow me through to take the Central Line to West Ruislip "We've been told nothing mate", barked at me while chewing gum; a full 6 hours after the disruption had begun. Their attitude was frankly unhelpful/utterly disinterested - they refused to look at my phone showing the National Rail website which stated tickets would be accepted on the underground. Finally they 'radioed' for confirmation and let me through. This delay probably caused me to miss what turned out to be the last Northbound train out of West Ruislip (the 16:20).

I've travelled to London perhaps 20 times in the last two years. This is now the third time there have been major signalling issues at Marylebone in this time and based on other reports I've read it seems happen to far more often than it should. For two of those occasions, I've seen the disruption in time and driven to Amersham (and caught the Metropolitan line), but yesterday I got fully ensnared. I'm now seriously thinking of just doing the Amersham route by default when it's important I'm not late.
 
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Ashley Hill

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In an ideal world this is a great idea.
But with any knowledge of the industry, pathings, timings, route knowledge and competency, you’ll begin to realise how farfetched and unrealistic this is
Thankfully I do have knowledge of the industry and sadly recognise its current inability to think outside the box.
 

12LDA28C

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Based on what I can see from RTT, it looks like not a single Birmingham bound train stopped at West Ruislip after 16:20. Is this correct? Not a single train back to Haddenham did either. I can see one that went to Oxford at 22:54!

There was no 1620 train - the first train to leave Marylebone was the 1707 to Stourbridge. I believe the problems arose when Marylebone was eventually reopened, those trains that were originally planned to reverse and return north at West Ruislip then ended up going through to London. In a similar manner passengers at Harrow-on-the-Hill were told that an arrival from Aylesbury would be terminating and returning to Aylesbury when in fact it went through to Marylebone.

Additional stops were put into some trains to pick up passengers at West Ruislip although they will not show up on RTT if they were not booked to call.
 

150219

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Ashley Hill does make a very valid point, but as 12LDA28C says the practicality of doing so is difficult outside of planned occurrences.

To the best of my recollection, I've managed to achieve the diversion of one service to Paddington. It was one of the first trains of the day and therefore had the advantage of an Aylesbury driver working it and also the availability of a High Wycombe guard. There may have been more, but this one stands out because of the unusual working. So even in the privatised era, it has been possible.

To do so today wouldn't be possible with current traincrew knowledge, as PLY2AYS says.

Diverting services even on a timetabled basis stopped being practical with the implementation and enhanced Crossrail services. When I've planned additional services from South Ruislip to Wembley Depot via Greenford, it's pretty bloody tough to find one workable slot let alone more than a couple.

Terminating services at the Ruislip's is not perfect for anyone. There's a number of reasons and the experience posted above demonstrates one of a number I'm sure were found on the day. As a terminus, it's probably the most pragmatic option left. Wembley Stadium can sometimes be an option, but it's not that practical for anyone to get to the nearest Underground station.

Reverting to a timetabled service after disruption is also a problem that's never a 100% perfect.
 

CyrusWuff

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Yes potentially but in more recent years (post privatisation) only Aylesbury men signed Paddington and I only ever heard of that happening during planned closures of Marylebone.
The other issue with Chiltern diversions into Paddington being that they required a Guard between South Ruislip and Paddington, and there were even fewer of those.
 

Bristol Rover

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There was no 1620 train - the first train to leave Marylebone was the 1707 to Stourbridge. I believe the problems arose when Marylebone was eventually reopened, those trains that were originally planned to reverse and return north at West Ruislip then ended up going through to London. In a similar manner passengers at Harrow-on-the-Hill were told that an arrival from Aylesbury would be terminating and returning to Aylesbury when in fact it went through to Marylebone.

Additional stops were put into some trains to pick up passengers at West Ruislip although they will not show up on RTT if they were not booked to call.
16:20 out of West Ruislip. The last train to start at West Ruislip.

That 17:07 ought to have stopped at West Ruislip - does anyone know if it did? Given there was no one at the station on hand to inform us, I gave up on the assumption it wasn't going to.
 

CR165022

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16:20 out of West Ruislip. The last train to start at West Ruislip.

That 17:07 ought to have stopped at West Ruislip - does anyone know if it did? Given there was no one at the station on hand to inform us, I gave up on the assumption it wasn't going to.
Could be wrong, but it didn't appear to. RTT suggests it kept to time after West Ruislip before becoming early at Gerrards X. It was a 68 set so would have lost a few minutes if it did stop there.
 

RPM

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Could be wrong, but it didn't appear to. RTT suggests it kept to time after West Ruislip before becoming early at Gerrards X. It was a 68 set so would have lost a few minutes if it did stop there.
Not sure a 68 set can stop at West Ruislip. It's only a 6-car platform so you'd have the loco and the DVT hanging off either end. If the guard's door is just on the platform it might work, but there certainly isnt a car stop board in situ to facilitiate this.
 

12LDA28C

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16:20 out of West Ruislip. The last train to start at West Ruislip.

That 17:07 ought to have stopped at West Ruislip - does anyone know if it did? Given there was no one at the station on hand to inform us, I gave up on the assumption it wasn't going to.

Ah, of course. As far as I know the 1707 didn't stop, most likely as @RPM states because it was a Class 68 & Mk3 set.
 

150219

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Not sure a 68 set can stop at West Ruislip. It's only a 6-car platform so you'd have the loco and the DVT hanging off either end. If the guard's door is just on the platform it might work, but there certainly isnt a car stop board in situ to facilitiate this.
Yes, they can stop at WRU and have done so.
 

sammyg901

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I was caught up in this farrago yesterday, about as badly as could be. Here's my day and a few observations, for those interested.

I was on the 09:34 from Haddenham into London. The platform was busy as it was the first off-peak train in half term. The train was only 2 carriages and people were already standing as it pulled in. About 80% of those on the platform managed to squeeze in, but many couldn't board and had to wait for the next one (perhaps lucky them, as it turned out). The train sat at the station for 5 minutes before the driver informed us of issues at Marylebone. We trundled off to Saunderton, where we stopped and the driver reopened the doors to let in fresh air and for people to stretch their legs. I knew we were in for a long delay as I looked up Real Time Trains (RTT) and saw the two trains ahead of us hadn't arrived at London and one was sat at High Wycombe. After a while, we left Saunderton and made it to High Wycombe, where the driver again opened the doors - some people got off to stretch their legs, some got off and gave up. Eventually, we were then told we'd be leaving for West Ruislip and to get the tube into Central London. I arrived at Oxford Circus at 12:40, nearly 2 and a half hours after I was due into Marylebone. Things go wrong, hey ho, but the provision of only 2 carriages for an Oxford-London train made the situation utterly more miserable than it should have been.
I happen to know what happened here - the set for the 0727 to Aylesbury Vale Parkway was receiving some attention so they split the 4 car set for the 0739 Oxford into 2 x2 to cover both services . I did think it was an interesting decision! They did manage to add 3 cars to the 0841 from AVP to London (Harrow on the hill in the end) but no such possibility at Oxford
 

Budge1980

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I see that Chiltern services into and out of Marylebone have ground to a halt yet again. Does anybody have inside knowledge as to why the signalling system/track keeps failing on the route from Neasden South Junction. It seems to be a weekly occurence.
Being a victim of the Chiltern woes on a regular basis, I share the sentiment and thoughts. Whilst the replies and comments have being both interesting and informative, especially as to the specific explanation of what happens with a track circuit failure, has the actual question been answered. I.e. Why is Marylebone to Neasden breaking so often. Is it simply age and being worn out?

Not helped by loco hauled trains seemingly also failing a lot as well.
 

150219

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Being a victim of the Chiltern woes on a regular basis, I share the sentiment and thoughts. Whilst the replies and comments have being both interesting and informative, especially as to the specific explanation of what happens with a track circuit failure, has the actual question been answered. I.e. Why is Marylebone to Neasden breaking so often. Is it simply age and being worn out?

Not helped by loco hauled trains seemingly also failing a lot as well.
Age isn't always a reason for failure. The brand new equipment installed for the Saltley PSB upgrade to the Birmingham ROC was prone to annoying failures at random times for a number of different reasons. On the reverse, the signalling infrastructure controlled by Banbury North and South signal boxes was good too. With them too, however, there were a number of niggly recurring problems (point work for example). As with Marylebone, some of these are more obvious to the customers than others. Some cause serious disruption and some can be worked around, and the end user won't know anything is wrong - which is exactly what you'd want and expect.

As to the specific causes, I suspect that there are a number of different root causes and explanations. Whilst one failure can be attributed to one cause, it doesn't necessarily follow that it's the same for the next (and so on).

It's the same for the trains. With such a small sub fleet, such as the loco-hauled sets and the 172 units (now removed), there is an immediately apparent reduction in availability with any failure or need to remove a train from service. The 68 sets have in fact been pretty good in reliability terms, but when one fails on the mainline the recovery can be troublesome because any rescue needs to come from another loco. Where this has a parallel with infrastructure failures is that there can be any number of reasons for them, without necessarily being recurrent.

A problem for any technician is the mode of failure that is intermittent. Fault occurs...then self rectifies. Fault occurs again...etc. Improvements in remote monitoring for infrastructure certainly helps with finding and fixing the problem, sometimes before it occurs.

The fact that the 2-track railway between Marylebone and Neasden South Junction is intensively used means that when there's a failure, the majority of customers are going to be affected. Before the "Evergreen" series of infrastructure upgrades, there were a number of failures at Neasden South Junction that were a real pain for everyone. The renewal and alterations to the pointwork and associated equipment made a significant improvement on reliability.

Hopefully that can provide a little background information.

== Doublepost prevention - post automatically merged: ==

Presumably something of a faff to arrange though? Given the issues upthread.
Ish. Having a guard on board being the main benefit for loco-sets, depending on where and when the decision is made to stop additionally.
 

CR165022

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Another Marylebone problem tonight!
2H55 reportedly got sent into a platform that a 68 set was occupying, causing it to have to reverse back out! I find it odd how something like that can happen, especially considering that the 68 had been sat there for at least 2 hours!
 

12LDA28C

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Another Marylebone problem tonight!
2H55 reportedly got sent into a platform that a 68 set was occupying, causing it to have to reverse back out! I find it odd how something like that can happen, especially considering that the 68 had been sat there for at least 2 hours!

2H55 won’t have ‘reversed back out’, of course the driver would have changed ends and returned in clear of the signal before being routed into another platform.
 

plugwash

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I find it odd how something like that can happen, especially considering that the 68 had been sat there for at least 2 hours!
My guess is that a mistake was made regarding the length/type of one or both of the trains, so the signaller thought both trains would fit in the platform when in fact they would not.
 

12LDA28C

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My guess is that a mistake was made regarding the length/type of one or both of the trains, so the signaller thought both trains would fit in the platform when in fact they would not.

More likely the type of train as it's very rare indeed for any kind of DMU (165/168) to be routed into Marylebone on top of a LHCS set, and vice versa.
 

168lover

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More likely the type of train as it's very rare indeed for any kind of DMU (165/168) to be routed into Marylebone on top of a LHCS set, and vice versa.
Used to regularly be a lhcs on top of a 172 unit during the evening peak, looked quite a sight. Normally Platform 3 which I think is slightly longer than others
 
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