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Author Topic: Infrastructure problems in Thames Valley causing disruption elsewhere - ongoing, since Oct 2014  (Read 1255447 times)
TaplowGreen
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« Reply #1890 on: June 24, 2017, 07:25:47 »


2 coaches again for the 17.36. not a chance of getting on.

From what people said above this is planned changes around Glastonbury so why not give passengers a chance and advertise it? I got a text just before 17.00 by which time I was already committed to my commute across London but it sounds like this had been planned some time in advance but there was nothing on the GWR (Great Western Railway) website about formation changes when I left work. To me it doesn't seem a difficult thing to communicate around planned work.

On a different topic is customer service/communication part of the infrastructure thread as it doesn't quite sit with the conversations about OLE (Overhead Line Equipment, more often "OHLE") or even 125 air con (I never knew that!)? Happy to start a separate thread although I worry it might just be me and Taplow Green comparing journeys home.

1742 Electric was noticeably busier last night, I think a lot of Maidenhead passengers took that option rather than the 1736 matchbox!
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grahame
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« Reply #1891 on: June 26, 2017, 06:06:29 »

All the Stations ... "Maidenhaed to Marylebone"

https://www.youtube.com/watch?v=rL2PQ0zteps&feature=youtu.be
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TaplowGreen
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« Reply #1892 on: June 26, 2017, 07:10:16 »

.....welcome to the new week!

Alterations to services at Oxford
Due to a fault with the signalling system at Oxford the line towards Didcot Parkway is closed.
Train services running through this station may be delayed or revised. Disruption is expected until 07:45 26/06.
Further Information
Owing to some signalling issues we are currently only able to operate a very limited train service from Oxford towards Didcot Parkway or Reading.
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TaplowGreen
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« Reply #1893 on: July 05, 2017, 18:05:58 »

Get ready for a fun evening everyone, got the 1742 from Paddington, now stuck at Southall.......

Delays to services between West Drayton and Southall
Due to a fault with the signalling system between West Drayton and Southall some lines are blocked.
Train services running through these stations may be delayed by up to 30 minutes. Disruption is expected until 20:00 05/07.
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JayMac
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« Reply #1894 on: July 05, 2017, 18:25:40 »

I was just ahead of you TG on the 1733 from PAD» (Paddington (London) - next trains). We've just been authorised to pass next 5 signals at danger on down main. You were lucky to be able to cross to down relief and pass us. We have to stop at each red for driver to call signaller and get authorisation to continue.
« Last Edit: July 05, 2017, 18:41:53 by bignosemac » Logged

"Build a man a fire and he'll be warm for the rest of the day. Set a man on fire and he'll be warm for the rest of his life."

- Sir Terry Pratchett.
Timmer
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« Reply #1895 on: July 05, 2017, 18:54:48 »

Quite a list of long distance services cancelled or starting from Reading. I feel for those stuck at Paddington on this very warm evening trying to get home.
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JayMac
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« Reply #1896 on: July 05, 2017, 19:09:33 »

I've just left Reading for Castle Cary 65 late. Rather perversely after the delay had crept past 45 minutes I was hoping for another 15 mins at least. I get half my fare back!
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"Build a man a fire and he'll be warm for the rest of the day. Set a man on fire and he'll be warm for the rest of his life."

- Sir Terry Pratchett.
NickB
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« Reply #1897 on: July 05, 2017, 19:10:55 »

Paddington is a mess.
I specifically did a count of official personnel on the concourse and counted as follows:
BTP (British Transport Police): 6
Network Rail: 2
GWR (Great Western Railway): 0
When are they going to learn?!?

I've decamped to marlybone and can report the following
1) I have a seat
2) it has working aircon

I will be billing GWR for my connecting taxi which should cost no more than £50.
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JayMac
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« Reply #1898 on: July 05, 2017, 19:38:58 »

Could I ask our signalling experts what a 'module' is. It's one of these that apparently failed this evening.

And are these modules 'cheap Chinese crap' as I heard it described by a member of GWR (Great Western Railway) staff?
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"Build a man a fire and he'll be warm for the rest of the day. Set a man on fire and he'll be warm for the rest of his life."

- Sir Terry Pratchett.
Timmer
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« Reply #1899 on: July 05, 2017, 19:44:21 »

I've just left Reading for Castle Cary 65 late. Rather perversely after the delay had crept past 45 minutes I was hoping for another 15 mins at least. I get half my fare back!
Yes I've been in that situation where you want the late running service you are on to just be a bit more late so you can at least have the satisfaction of getting some or all of your money back!
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broadgage
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« Reply #1900 on: July 05, 2017, 19:46:45 »

Could I ask our signalling experts what a 'module' is. It's one of these that apparently failed this evening.

And are these modules 'cheap Chinese crap' as I heard it described by a member of GWR (Great Western Railway) staff?

Cheap, I very much doubt it !
Chinese, probably, or if made elsewhere almost certainly incorporating Chinese components or sub-assemblies.
Crap, Rather subjective, but going by the poor and apparently worsening reliability, then IMO (in my opinion), crap.
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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU (Diesel Multiple Unit) is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
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« Reply #1901 on: July 05, 2017, 19:57:00 »

Could I ask our signalling experts what a 'module' is. It's one of these that apparently failed this evening.

And are these modules 'cheap Chinese crap' as I heard it described by a member of GWR (Great Western Railway) staff?
The signalling in that area is an upgraded version of the original 1992 BR (British Rail(ways)) Solid State Interlocking (SSI (Solid State Interlocking)).  The interlocking is triplicated in a 'two out of three configuration' (i.e. it requires two of the three to agree before giving an output) and is located at the Thames Valley Signalling Centre (TVSC» (Thames Valley Signalling Centre - about)) at Didcot.  The interlocking is connected to the trackside equipment by means of two diverse data links using a pair of Long Distance Terminals (LDT (Long Distance Terminals)).  At the local site the remote data links are connected to the local data links via duplicated Data Link Modules (DLM). The actual signals and points are interfaced to by a Trackside Functional Module (TFM (Trackside Functional Modules)) which although a single unit has two independent processors built into it, one connected to each separate data link.  In theory no single failure should close down the whole system.  All of this equipment is of British manufacture although the firms that make it are French (Alstom) and German (Siemens).

Hope thats not too technical?

Oh dear just realised thats a lot more acronyms/abbreviations for CfN...... Roll Eyes Tongue
« Last Edit: July 06, 2017, 10:24:15 by SandTEngineer » Logged
JayMac
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« Reply #1902 on: July 05, 2017, 20:08:39 »

Thanks for that explanation, S&TE.

So, cheap British and European crap then?  Tongue Wink Grin
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SandTEngineer
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« Reply #1903 on: July 05, 2017, 20:16:15 »

Thanks for that explanation, S&TE.

So, cheap British and European crap then?  Tongue Wink Grin
I can tell you that all of those modules I mentioned are certainly not cheap.

Personally I think there must be a fundamental underlying issue with the system configuration in the original Paddington to Hayes scheme as we don't seem to suffer quite as many failures on other more newer areas using the same equipment and system configuration.  Of course relay interlockings are much more reliable than modern electronic kit (look for example at Plymouth which is still using its original 1960 relay equipment and I can count the number of failures of that installation over the past 20 years on one hand).
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TaplowGreen
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« Reply #1904 on: July 05, 2017, 20:43:32 »

Whether Chinese or British, cheap or expensive, it's clearly crap, like the rest of the service, and GWR (Great Western Railway)'s attitude to its customers........reports of people fainting on crush loaded trains in the heat tonight (.........but hey no doubt we'll be told that it's their own fault for boarding in the first place)

Here's a good example of the level of information customers are provided with during severe disruption (taken by a pal tonight at Paddington)

People still being told to complain to the non responsive @gwr email address, Twitter in meltdown

Well worth the steep rise in fares announced today..............

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