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Amended late night / early morning Great Western Railway services to / from Swansea from Monday 24 to Friday 28 August  

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Engineering work details

Starts Monday 24 August 2026 to Friday 28 August 2026

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Train operators affected

Route(s) affected

Great Western Railway services between London Paddington and Swansea

Description

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning.

Monday to Thursday:

  • The 20:48 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park), calling at Bridgend and beyond later than normal.

  • The 21:48 London Paddington to Swansea will use this route as normal between Cardiff Central and Bridgend (via Barry).

  • The 22:49 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry), calling at Bridgend and beyond later than normal.

Thursday and Friday:

  • The 03:46 Swansea to London Paddington will depart earlier at 03:38. It will arrive / depart Neath,
    Port Talbot Parkway and Bridgend a few minutes earlier than normal before diverting between Bridgend and
    Cardiff Central (via Barry). Normal timings departing Cardiff Central and beyond.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner.

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