There's an hourly service from Pad to Swansea starting on Friday
From JourneyCheck this morning
You are advised not to travel with GWR▸ . A number of Class 800 series Hitachi trains in use by several train companies, including GWR, were withdrawn from service earlier this week as a precaution.
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After completing rigorous safety checks, we will begin reintroducing train services. Trains on some routes will be less frequent than usual, and your journey might take longer than it normally would. Please check your journey on our online journey planner before you leave.
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We have had to cancel many of our long-distance services and expect disruption to journeys to continue for the next few days.
Friday 14 May
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An hourly service will run between London Paddington and Swansea.
Transport For Wales are conveying passengers between Cheltenham Spa and Swansea via Newport South Wales and Cardiff Central in both directions until further notice.