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Amended Great Western Railway services to / from Swansea from Monday 12 to Friday 16 January 

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Engineering work details

Starts Monday 12 January 2026 to Friday 16 January 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 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 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry – not calling) and will arrive / depart Bridgend and beyond a few minutes later than normal.

The 22:49 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry – 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 depart earlier at 03:38. It will call at Neath, Port Talbot Parkway and Bridgend a few minutes earlier than normal before diverting between Bridgend and Cardiff Central (via Barry – not calling).

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