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Last updated:Today at 21:39
Train companies affected:Grand Central, Great Northern, Hull Trains, LNER, Lumo, Thameslink

Amended early morning service between Carmarthen and Swansea on Monday 20 October 

See all service disruptions

Engineering work details

Starts Monday 20 October 2025 to Monday 20 October 2025

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Train operators affected

Route(s) affected

between Milford Haven and Carmarthen / Cardiff Central, between Carmarthen and Swansea / Shrewsbury

Description

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

  • The 04:38 Carmarthen to Swansea service is bus replaced throughout

  • The 04:55 Carmarthen to Milford Haven service is bus replaced throughout

  • The 04:47 Carmarthen to Shrewsbury service will now start from Swansea with a bus provided from Carmarthen to connect in at Llanelli

  • The 05:43 Swansea to Manchester Piccadilly service will now start forward at Cardiff

  • The 05:54 Milford Haven to Cardiff Central service will start forward at Carmarthen with bus provided to connect in from Milford Haven

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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