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Amended late night / early morning Transport for Wales services to / from Cardiff Central from Monday 9 to Friday 13 March 

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Engineering work details

Starts Monday 09 March 2026 to Friday 13 March 2026

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Train operators affected

Route(s) affected

Between Cardiff Central and Maesteg / Carmarthen / Milford Haven / Fishguard Harbour and also between Manchester Piccadilly and Swansea

Description

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines.

The following services will be amended:

Monday to Thursday:

  • 19:30 Manchester Piccadilly to Cardiff Central will be diverted between Newport (South Wales) and Cwmbran, extending journey times

  • 20:30 Manchester Piccadilly to Cardiff Central will be diverted between Newport (South Wales) and Cwmbran, extending journey times

  • 20:38 Milford Haven to Cardiff Central will be diverted via Barry, extending journey times

  • 21:46 Fishguard Harbour to Cardiff Central will be diverted via Barry, extending journey times

  • 22:21 Cardiff Central to Crewe will depart earlier at 22:12 and will return to scheduled timings from Cwmbran onwards

  • 22:24 Chester to Cardiff Central will be diverted between Newport (South Wales) and Cwmbran, extending journey times

  • 22:27 Cardiff Central to Carmarthen will depart 3 minutes later at 22:31 and will be retimed throughout

  • 23:15 Cardiff Central to Abergavenny will be diverted between Newport (South Wales) and Cwmbran, extending journey times

  • 23:16 Cardiff Central to Maesteg will be replaced by a bus throughout, departing from Cardiff Central at 23:20

  • 23:20 Cardiff Central to Carmarthen will be diverted via Barry, extending journey times - a rail replacement bus will operate from Cardiff Central to Bridgend at 23:00 to allow passengers to connect into services at Bridgend

Tuesday to Friday:

  • 00:30 Cardiff Central to Hereford will be diverted between Newport (South Wales) and Cwmbran, extending journey times

  • 04:32 Cardiff Central to Manchester Piccadilly will depart earlier at 04:15 and will return to scheduled timings from Cwmbran onwards

  • 05:43 Swansea to Manchester Piccadilly will now split into 2 services at Cardiff Central. - A train will depart Swansea at 05:43 travelling to Cardiff Central. A second train will depart from Cardiff Central at 06:46, travelling through to Manchester Piccadilly as scheduled.

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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