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Amended late night / early morning Great Western Railway services to / from Swansea from Monday 29 June to Friday 3 July 

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Engineering work details

Starts Monday 29 June 2026 to Friday 03 July 2026

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Train operators affected

Route(s) affected

Great Western Railway between London Paddington and Swansea

Description

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines late on Monday to Thursday evenings.

Monday to Thursday:

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

Monday and Thursday only:

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

The 21:48 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry) calling at Bridgend and beyond later than normal.

Tuesday to 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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