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Buses replace trains between Swansea and Carmarthen on Saturday 22 and Sunday 23 March 

See all service disruptions

Engineering work details

Starts Saturday 22 March 2025 to Sunday 23 March 2025

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Route(s) affected

Great Western Railway to / from Carmarthen

Transport for Wales to / from / via Carmarthen

Description

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

Great Western Railway:

No trains will run between Swansea and Carmarthen.

Replacement buses will run between Swansea and Carmarthen. On Saturday these will be operated by Transport for Wales, and on Sunday they will be operated by Great Western Railway.

Transport for Wales:

Buses will replace trains between Swansea and Carmarthen / Pembroke Dock / Milford Haven / Fishguard Harbour.

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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