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Buses replace trains between Swansea and Carmarthen before 12:45 on Sunday 16 November 

See all service disruptions

Engineering work details

Starts Sunday 16 November 2025 to Sunday 16 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 before 12:45 on Sunday.

Great Western Railway:

As a result:

  • The 10:27 Swansea to Carmarthen will not run and will be replaced by earlier road transport at 10:00 from Swansea to Llanelli, Pembrey & Burry Port and Carmarthen, arriving at 11:12

  • 11:25 Carmarthen to London Paddington will start from Swansea. Road transport will run at 11:56 from Carmarthen, calling at Pembrey & Burry Port and Llanelli to Swansea, arriving at 13:13 and connecting with the 13:23 Swansea to London Paddington service

Transport for Wales:

Buses replace trains between Swansea and Carmarthen / Whitland / Pembroke Dock.

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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