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Buses replace trains between Carmarthen and Swansea before 09:55 on Sunday 7 September 

See all service disruptions

Engineering work details

Starts Sunday 07 September 2025 to Sunday 07 September 2025

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Train operators affected

Route(s) affected

Transport for Wales between Carmarthen and Swansea / Milford Haven / Pembroke Dock / Manchester Piccadilly

Description

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

Before 09:55, buses will replace trains between Carmarthen and Swansea.

Additionally:

  • The 00:12 Swansea to Carmarthen service will be replaced by a bus

  • The 07:48 Carmarthen to Pembroke Dock service will start from Whitland at 08:04. For travel between Carmarthen and Whitland, you should use the 07:10 Carmarthen to Haverfordwest replacement bus

  • The 07:55 Carmarthen to Milford Haven service will start from Haverfordwest at 08:35. A replacement bus will run from Carmarthen to Haverfordwest

  • The 09:55 Carmarthen to Milford Haven service will be retimed to start at 10:00

  • The 10:03 Carmarthen to Pembroke Dock service will be retimed to start at 10:15

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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