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Amended late night Transport for Wales services in the Cardiff Central area from Monday 4 to Thursday 7 May 

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Engineering work details

Starts Monday 04 May 2026 to Thursday 07 May 2026

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Train operators affected

Route(s) affected

Transport for Wales between Carmarthen / Aberdare / Maesteg and Cardiff Central

Description

Engineering work is taking place in the Cardiff Central area, closing various lines.

As a result:

  • The 22:52 Aberdare to Cardiff Central service will divert after Radyr to run via Llandaf. A replacement bus will run from Radyr at 23:45 to Cardiff Central

  • The 23:16 Cardiff Central to Maesteg service will not run, and will be replaced by a bus, calling at all stations via Pontyclun

  • The 23:20 Cardiff Central to Carmarthen service will be diverted to run via Barry. A replacement bus will run from Cardiff Central to Bridgend via Pontyclun, departing Cardiff Central at 23:00

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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