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Amended evening trains in the Cardiff Central area from Monday 12 to Thursday 15 January 

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Engineering work details

Starts Monday 12 January 2026 to Thursday 15 January 2026

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Train operators affected

Route(s) affected

Transport for Wales between Pontypridd and Cardiff Central, and between Fishguard Harbour / Milford Haven / Swansea and Cardiff Central

Description

Engineering work is taking place in the Cardiff Central area, closing various lines on Monday to Thursday evenings.

As a result, the following trains will be diverted to run via Barry, extending journey times by approximately 25 minutes:

  • The 20:36 Milford Haven to Cardiff Central service

  • The 21:46 Fishguard Harbour to Cardiff Central service

  • The 23:21 Cardiff Central to Swansea service

Additionally, the 23:19 Pontypridd to Cardiff Central service will terminate at Radyr. A replacement bus will run from Radyr to Cardiff Central.

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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