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Amended late night Great Western Railway services between Cardiff Central and Swansea from Monday 9 to Friday 13 March 

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Engineering work details

Starts Monday 09 March 2026 to Friday 13 March 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 some lines overnight from Monday evening until Friday morning.

Monday:

The 20:48 London Paddington to Swansea service will divert between Cardiff Central and Bridgend, calling at Bridgend and beyond a few minutes later than usual.

Monday to Thursday:

The 21:48 and 22:49 London Paddington to Swansea services will be diverted to run via Barry, calling at Bridgend and beyond up to 25 minutes later than usual.

Tuesday to Thursday:

The 20:48 London Paddington (starting from Swindon at 21:42) to Swansea service will divert between Cardiff Central and Bridgend, calling at Bridgend and beyond a few minutes later than usual.

Tuesday to Friday:

The 03:46 Swansea to London Paddington service will start earlier than usual, at 03:38. It will call at Neath, Port Talbot Parkway and Bridgend earlier than usual, and divert between Bridgend and Cardiff Central. It will depart Cardiff Central as normal.

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