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Buses replace trains between Swansea and Carmarthen and also between Llanelli and Whitland on Sunday 23 November 

See all service disruptions

Engineering work details

Starts Sunday 23 November 2025 to Sunday 23 November 2025

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Route(s) affected

Great Western Railway between London Paddington and Carmarthen

Transport for Wales between Manchester Piccadilly / Swansea and Carmarthen, between Carmarthen and Pembroke Dock / Milford Haven, between Hereford / Swansea and Fishguard Harbour, and between Newport (South Wales) and Milford Haven

Description

Engineering work is taking place between Swansea and Carmarthen, closing all lines.

Great Western Railway:

Trains between London Paddington and Carmarthen will terminate / start at Swansea.

Buses will replace trains between Swansea and Carmarthen.

The 10:27 Swansea to Carmarthen will not run.

Transport for Wales:

Buses will replace trains between Llanelli and Whitland.

Additionally the 21:16 Carmarthen to Hereford service will start from Neath and terminate at Newport (South Wales). A replacement bus will be provided between Newport and Hereford.

Check before you travel:

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

Replacement bus travel advice:

For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.

You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.

Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.

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