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Author Topic: Infrastructure problems in Thames Valley causing disruption elsewhere - ongoing, since Oct 2014  (Read 1243626 times)
hassaanhc
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« Reply #2610 on: April 20, 2018, 07:31:51 »

Quote
Cancellations to services between Reading and Guildford
Due to a fault with the signalling system between Reading and Guildford all lines are blocked.
Train services running to and from these stations may be cancelled, delayed or revised. Disruption is expected until 08:30 20/04.
Last Updated:20/04/2018 06:54
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Jason
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« Reply #2611 on: April 20, 2018, 09:27:43 »

Due to a fault with the signalling system between Reading and Maidenhead trains have to run at reduced speed on some lines.
Impact: Train services running to and from these stations may be delayed by up to 15 minutes. Disruption is expected until 10:15 20/04.
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eightf48544
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« Reply #2612 on: April 20, 2018, 11:27:57 »

This whole thread goes to show that  a reliable railway would lead to a punctual railway.
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Jason
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« Reply #2613 on: April 20, 2018, 11:50:31 »

Due to a fault with barriers at a level crossing between Didcot Parkway and Swindon trains have to run at reduced speed on all lines.
Impact: Train services running through these stations may be delayed by up to 20 minutes. Disruption is expected until 13:30 20/04.
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ellendune
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« Reply #2614 on: April 20, 2018, 13:38:09 »

Due to a fault with barriers at a level crossing between Didcot Parkway and Swindon trains have to run at reduced speed on all lines.
Impact: Train services running through these stations may be delayed by up to 20 minutes. Disruption is expected until 13:30 20/04.

That would be at Steventon then!
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Jason
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« Reply #2615 on: April 20, 2018, 14:13:19 »

Due to a speed restriction because of high track temperatures at Hayes & Harlington some lines towards London Paddington are disrupted.
Impact: Train services running through this station may be delayed by up to 15 minutes. Disruption is expected until 18:30 20/04.
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Jason
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« Reply #2616 on: April 20, 2018, 16:03:35 »

Due to a fault with the signalling system between Ealing Broadway and London Paddington trains have to run at reduced speed on the line towards London Paddington. Disruption is expected until 17:30 20/04.
Impact:
Train services between Hayes & Harlington and London Paddington may be delayed by up to 15 minutes or running non stop between Hayes & Harlington and London Paddington.

[ Plus all of the earlier above ]
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broadgage
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« Reply #2617 on: April 20, 2018, 16:32:07 »

I find the speed restrictions due to high temperatures to be rather worrying. Whilst temperatures are exceptional for April, they are very normal for June and July.
So are speed restrictions going to become the norm during the summer ?

I can see the need for such restrictions in truly exceptional heatwaves, but surely infrastructure should work correctly during normal June and July weather ? even if such weather arrives in April.

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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.
TaplowGreen
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« Reply #2618 on: April 20, 2018, 16:35:20 »

I find the speed restrictions due to high temperatures to be rather worrying. Whilst temperatures are exceptional for April, they are very normal for June and July.
So are speed restrictions going to become the norm during the summer ?

I can see the need for such restrictions in truly exceptional heatwaves, but surely infrastructure should work correctly during normal June and July weather ? even if such weather arrives in April.



Same every year isn't it? (albeit a bit earlier this year)

There seems to be so little resilience within any aspect of the railway, it's incredibly fragile, be it infrastructure, trains or personnel.

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ellendune
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« Reply #2619 on: April 20, 2018, 17:12:19 »

I find the speed restrictions due to high temperatures to be rather worrying. Whilst temperatures are exceptional for April, they are very normal for June and July.
So are speed restrictions going to become the norm during the summer ?

I can see the need for such restrictions in truly exceptional heatwaves, but surely infrastructure should work correctly during normal June and July weather ? even if such weather arrives in April.

Has there been a lot of track work there?  If so have they not destressed* the rail yet thinking they were ok for a few more weeks?

*This is the process by which the rail is tensioned so that it has not stress in it at a certain temperature (I have forgotten what temperature) and is in tension when it is cold, so that the compressive stress when it gets really hot is not too much to buckle the track.
 
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TonyK
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« Reply #2620 on: April 21, 2018, 10:01:33 »

This is the process by which the rail is tensioned so that it has not stress in it at a certain temperature (I have forgotten what temperature) and is in tension when it is cold, so that the compressive stress when it gets really hot is not too much to buckle the track.

27°C
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Now, please!
ChrisB
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« Reply #2621 on: April 24, 2018, 10:43:00 »

Has there been a lot of track work there?  If so have they not destressed* the rail yet thinking they were ok for a few more weeks?

*This is the process by which the rail is tensioned so that it has not stress in it at a certain temperature (I have forgotten what temperature) and is in tension when it is cold, so that the compressive stress when it gets really hot is not too much to buckle the track.

This I reckon is exactly it. Probably programmed to take place before the 'summer' starts. They were almost record temperatures for April.
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TaplowGreen
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« Reply #2622 on: April 25, 2018, 08:25:11 »

Alterations to services between Maidenhead and Slough


Due to a fault with the signalling system between Maidenhead and Slough trains have to run at reduced speed on some lines towards London Paddington.
Train services running through these stations may be delayed by up to 15 minutes or revised. Disruption is expected until 10:00 25/04.

Customer Advice

Trains from the Reading direction, travelling towards London Paddington, are unable to call at Taplow or Burnham. Customers travelling from these stations towards Slough & London are advised to catch a train service to Maidenhead and change there, where train services towards Slough (and beyond) are available. Customers travelling to Taplow or Burnham from Maidenhead, or stations West thereof will need to travel through to Slough and then back by a Reading bound train service from there.
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hassaanhc
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« Reply #2623 on: April 26, 2018, 10:30:24 »

Quote
Cancellations to services between London Paddington and Hayes & Harlington
Due to a speed restriction over defective track between London Paddington and Hayes & Harlington trains have to run at reduced speed on some lines towards Slough.
Train services running to and from these stations may be cancelled, delayed or revised. Disruption is expected until 11:00 26/04.
Customer Advice
London Underground are conveying passengers between London Paddington and Heathrow Terminal 5 in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.
London Buses route 140: Hayes & Harlington - Heathrow (Central Bus Station) are conveying passengers between Hayes & Harlington and Heathrow Terminal 5 in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.
London Buses are conveying passengers between London Paddington and Slough in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.
Last Updated:26/04/2018 10:16
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Thatcham Crossing
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« Reply #2624 on: April 26, 2018, 12:18:11 »

Crawled through Southall on an up IET (Intercity Express Train) at around 1045, looked like down trains were crawling also.

Still arrived on-time at PAD» (Paddington (London) - next trains), 30 mins from Reading including a scheduled Slough stop.
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