The Met Office have issued a red weather warning for extreme heat in parts of the country on Monday 18 and Tuesday 19 July, with temperatures forecast to reach as high as 40°C in some areas, including London.
Network Rail are placing speed restrictions across the GWR network to ensure the safe running of trains which will lead to significant disruption to services.
Customers are being warned to only travel if absolutely necessary on Monday 18 and Tuesday 19 July due to the forecasted record-breaking hot temperatures.
Customers who choose to travel despite the warning are being advised to check their journeys before travelling and ensure they are well-prepared for the extreme conditions.
This weekend's services (Saturday 16 & Sunday 17 July) will also be affected by short-notice cancellations because of the hot weather. It is anticipated that train services will be busy, especially those serving coastal destinations.
Alternative travel advice
To help customers, GWR is allowing people with tickets for travel on its services on Monday 18 and Tuesday 19 July to travel on Wednesday 20 and Thursday 21 July instead.
If you choose to delay your travel, please note that the original ticket restrictions will still apply. If you are using an Advance Purchase ticket, please travel as close to the original departure time as possible or make use of Book with Confidence.
Please check before your travel and allow plenty of time to complete your journey.
Check before you travel:
Journey planners for Monday 18 July will be showing correct on Sunday morning,
Journey planners for Tuesday 19 July will be showing correct from Monday morning.
Twitter:
If you would like to follow this incident on Twitter, please use #UKHeatwave
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.
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