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West of England Line - Soil Moisture Deficit Update - 10 October 2025
 
Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by grahame at 17:47, 28th July 2026
 
Due next week, I understand. Timetable similar to last time, but speeded up by 30mins end-to-end, I'm hearing

Good afternoon,
 
Temporary Timetable Changes on the West of England Line from Monday 10 August
 
We are writing to inform you that South Western Railway (SWR) and Network Rail Wessex will introduce a temporary revised timetable on the West of England line between London Waterloo and Exeter St Davids from Monday 10 August until further notice.
 
Following record-breaking temperatures and prolonged low rainfall, clay embankments supporting the railway between Salisbury and Exeter are drying out, affecting the stability of the track.
 
To keep customers safe, trains will run at reduced speeds between Tisbury in Wiltshire to Honiton in Devon, a 60-mile stretch of largely single-track railway which is particularly vulnerable to drought-like conditions. 
 
With only six passing loops where trains can pass each other on the single-track, fewer services can run while these speed restrictions are in place. The temporary timetable limits further disruption and delays while providing a safe and reliable service for customers.
 
Service levels from Monday 10 August
 
From Monday 10 August, until further notice:
Services between London Waterloo and Salisbury will continue to run every 30 minutes
One train per hour will run between London Waterloo and Yeovil Junction
Every other hour, the London Waterloo service will extend to run to and from Exeter St Davids
Most journeys from London Waterloo to Yeovil Junction will take three minutes longer than usual, with journeys from Yeovil Junction to London Waterloo taking 13 minutes longer than usual
Most journeys from London Waterloo to Exeter St Davids will take up to 24 minutes longer than usual, with journeys from Exeter St Davids to London Waterloo taking 27 minutes longer than usual
 
Customer information
Journey planners will be updated ahead of the timetable changes. Customers are advised to check their journeys carefully and allow extra time to complete their journeys. See below a link to our Plan My Journey Page:
 
www.southwesternrailway.com/plan-my-journey
 
Since last year, SWR and NR Wessex have continuously monitored more than 30 sites between Salisbury and Exeter and strengthened the line by carrying out extensive tamping work, installing 5,000 tonnes of new ballast, and removing over 200 dead and diseased trees that suck in moisture and could further destabilise embankments.
 
SWR and NR Wessex are also working with the University of Southampton to develop longer-term measures to improve the resilience of the West of England line to the effects of climate change and extreme weather.
 
Click here for more information on Soil Moisture Deficit and how extreme hot weather impacts the railway here.
 
SWR and Network Rail will continue to monitor conditions closely and will restore normal service levels as soon as it is safe and operationally possible to do so.
 
We will continue to keep you updated as this progresses. We will shortly issue a press release to inform passengers, local communities and stakeholders. Please find a copy below for your reference.
 
Press Release: Temporary timetable changes to West of England line from Monday 10 August
 
From Monday 10 August, trains between Yeovil Junction and Exeter will be reduced to one every two hours
An amended timetable is being introduced to keep customers moving safely while speed restrictions are in place following prolonged extreme hot, dry weather that has affected track across the route
Customers are still able to travel between London Waterloo and Exeter St Davids, but are advised to allow extra time to complete their journeys
 
SOUTH Western Railway (SWR) and Network Rail Wessex (NR Wessex) will introduce a temporary timetable on the West of England line between London Waterloo and Exeter St Davids from Monday 10 August.
 
Following record-breaking temperatures and prolonged low rainfall, clay embankments supporting the railway between Salisbury and Exeter are drying out, affecting the stability of the track.
 
To keep customers safe, trains will run at reduced speeds between Tisbury in Wiltshire and Honiton in Devon, a 60-mile stretch of largely single-track railway which is particularly vulnerable to drought-like conditions.
 
With only six passing loops where trains can pass each other on the single-track, fewer services can run while these speed restrictions are in place. The temporary timetable limits further disruption and delays while providing a safe and reliable service for customers.
 
From Monday 10 August, until further notice:
Services between London Waterloo and Salisbury will continue to run every 30 minutes
One train per hour will run between London Waterloo and Yeovil Junction
Every other hour, the London Waterloo service will extend to run to and from Exeter St Davids
Most journeys from London Waterloo to Yeovil Junction will take three minutes longer than usual, with journeys from Yeovil Junction to London Waterloo taking 13 minutes longer than usual
Most journeys from London Waterloo to Exeter St Davids will take up to 24 minutes longer than usual, with journeys from Exeter St Davids to London Waterloo taking 27 minutes longer than usual
 
Journey planners will be updated ahead of the timetable changes. Customers are advised to check their journeys carefully and allow extra time to complete their journeys.
 
Lawrence Bowman, Managing Director of South Western Railway and Network Rail Wessex, said:
 
“The record-breaking heat of the last few months has had a significant impact on railways across the UK, and parts of our route are particularly vulnerable.
 
“Extreme weather events are becoming increasingly common, and this is the second year in a row that prolonged hot, dry weather has affected our network.
 
“Since last summer’s intervention, we’ve invested in strengthening the route, carried out extensive work to the track and embankments, and developed a plan that customers can rely on.
 
“As a result of that careful planning, we've managed to reduce journey times in our amended timetable by around 30 minutes compared to last year, minimising the impact on our customers while also keeping them safe.
 
“We are sorry for the disruption these changes may cause. We will restore the regular timetable as soon as conditions allow.”
 
Since last year, SWR and NR Wessex have continuously monitored more than 30 sites between Salisbury and Exeter, and strengthened the line by carrying out extensive tamping work, installing 5,000 tonnes of new ballast, and removing over 200 dead and diseased trees that suck in moisture and could further destabilise embankments.
 
SWR and NR Wessex are also working with the University of Southampton to develop longer-term measures to improve the resilience of the West of England line to the effects of climate change and extreme weather.
 
Notes to Editors
Click here for more information on Soil Moisture Deficit and how extreme hot weather impacts the railway here.
 
Spring 2026 was the warmest on record in England and Wales, with well below average rainfall. In June, the Met Office issued a Red Warning for Extreme Heat for an unprecedented three days in a row. 35C has been recorded in three consecutive months (May, June and July) for the first time, and large parts of England have so far recorded 0% of the expected rainfall in July.
 
In 2025, speed restrictions forced trains to travel at 40mph, down from 85mph, on some sections of track between Salisbury and Exeter St Davids. This year, speeds will be restricted to 50mph down from 85mph between Tisbury and Honiton.
 

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by ChrisB at 12:54, 28th July 2026
 
Due next week, I understand. Timetable similar to last time, but speeded up by 30mins end-to-end, I'm hearing

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by Mark A at 12:52, 28th July 2026
 
Announcement incoming: "Rail disruption fears (on the SWR main line) after track soil shrinkage"

Mark

https://www.bbc.co.uk/news/articles/c0km34jdeezo

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by bradshaw at 07:34, 9th July 2026
 
With this continued hot and dry weather it cannot be long before the line suffers again from the soil moisture deficit. Two posts on X suggest that it is being looked at. If so then it might be significantly longer alteration to the timetable than last year.

https://x.com/chimewhistle/status/2074822379419705442?s=61&t=VlafMC5gF9tidw36b1Y8JQ

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by Timmer at 12:12, 29th November 2025
 
Mr Duncan said moving forward, they will be looking at long term plans to "mitigate the ongoing impacts of climate change".
Redoubling the entire line between Wilton Junction and Pinhoe would be a good place to start but…..ooooozzzz gonna pay for it?

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by Chris from Nailsea at 12:04, 29th November 2025
 
From the BBC:

Normal rail service resumes after embankment work



Hourly rail services are being reinstated on the London Waterloo to Exeter St David's service following work to remedy issues caused by dry embankments.

South Western Railway (SWR) and Network Rail said the service, which passes through Hampshire, Wiltshire and Somerset will be back to a normal timetable, and journey times, from Saturday. Trains had been running on a reduced timetable with speed restrictions since August, after dry soil disturbed tracks above the embankments.

Bruce Duncan, Chair of the Salisbury-Exeter Rail User Group, said he is "absolutely delighted" at the return to normal timetabling after a "very challenging few months for students, commuters and leisure travellers."

The dry conditions in the summer caused clay embankments between Gillingham in Dorset and Axminster in Devon to shrink, an issue known as "soil moisture deficit", a spokesperson for SWR and Network Rail said. Due to the single line sections of track between Salisbury and Exeter St Davids, trains were then unable to pass each other in their usual locations, resulting in an amended timetable.

Tom Desmond, Network Rail's Wessex Route Operations Director, said: "We can confirm that we are set to restore the full timetable on the West of England Line on Saturday. We are very grateful to our customers for their continued patience and would like to sincerely apologise for the disruption they have experienced since August."

Mr Duncan said moving forward, they will be looking at long term plans to "mitigate the ongoing impacts of climate change".


Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by CyclingSid at 18:16, 4th November 2025
 
For the probable source and updates to SMD see: https://nrfa.ceh.ac.uk/sites/default/files/2025-10/HS_202509.pdf p.11
For the look forward see https://hydoutuk.net/sites/default/files/2025-10/2025_10_HO_Complete_F.pdf which suggests that unless we have a very wet winter and spring we could be in a challenging situation for water next year, whatever the situation on railways.

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by bradshaw at 13:39, 4th November 2025
 
Full SWR service, Waterloo to Exeter being restored on 29 November

https://www.southwesternrailway.com/other/news-and-media/news/2025/november/woe-timetable-to-be-reinstated

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by a-driver at 15:34, 11th October 2025
 
The graph Network Rail provided in the article in relation to Soil Moisture Deficit levels are for 2022 and then 2025. 

I wonder what the Soil Moisture Deficit levels were in 2023, 2023 and 2024?  I also can't remember them imposing an emergency timetable in 2022.  Is it more a symptom of neglect and poor maintenance/planning rather than just a particularly bad year?

Re: West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by IndustryInsider at 07:56, 11th October 2025
 
Most other lines also suffering from additional TSR’s and/or a distinctly ‘lively’ ride.

West of England Line - Soil Moisture Deficit Update - 10 October 2025
Posted by PhilWakely at 18:25, 10th October 2025
 
The latest news from SWR and Network Rail about the reduced timetable

and it is not good!

Edit to fix quoting - Grahame

 
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