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Amended Great Western Railway services to / from Swansea from Monday 6 to Friday 10 July 

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Engineering work details

Starts Monday 06 July 2026 to Friday 10 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 Swansea, closing various lines overnight from Monday evening until Friday morning.

Monday to Thursday:

The 20:48 (Departing 20:16)London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park – not calling), and will arrive / depart Bridgend and beyond a few minutes later than normal.

The 21:48 (departing 21:16) London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park – not calling) and will arrive / depart Bridgend and beyond a few minutes later than normal.

Monday to Friday:

The 22:49 London Paddington to Swansea will divert between Swindon and Bristol Parkway. It will call additionally at Chippenham and Bath Spa (drop off only), departing Bristol Parkway as normal. The train will be diverted between Cardiff Central and Bridgend (via Ninian Park – not calling) and will arrive / depart Bridgend and beyond a few minutes later than normal.

Tuesday to Friday:

The 03:46 Swansea to London Paddington will call at Bridgend and arrive at Cardiff Central a few minutes later than usual. The train will depart Cardiff Central as normal.

Check before you travel:

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

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