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No trains to / from Cardiff Queen Street after 23:25 each night from Monday 19 to Thursday 22 January  

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Engineering work details

Starts Monday 19 January 2026 to Thursday 22 January 2026

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Train operators affected

Route(s) affected

Between Barry Island and Ystrad Mynach, between Cardiff Bay and Cardiff Central / Cardiff Queen Street and also between Cardiff Central and Pontypridd / Merthyr Tydfil

Description

Engineering work is taking place in the Cardiff Queen Street area, closing all lines overnight.

No trains will run after 23:25 each night to / from Cardiff Queen Street.

Rail replacement buses will operate between:

  • Cardiff Central and Rhymney

  • Cardiff Central and Merthyr Tydfil

  • Cardiff Central and Aberdare

  • Cardiff Central and Treherbert

  • Cardiff Bay and Cardiff Queen Street

Check before you travel:

These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.

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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