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No late night / early morning trains to / from Cardiff Queen Street on Saturday 17 and Sunday 18 January 

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Engineering work details

Starts Saturday 17 January 2026 to Sunday 18 January 2026

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Train operators affected

Route(s) affected

Between Cardiff Bay and Cardiff Central / Cardiff Queen Street and also between Cardiff Central and Coryton / Caerphilly / Pontypridd / Merthyr Tydfil

Description

Engineering work is taking place at Cardiff Queen Street, closing various lines on Saturday evening and Sunday morning.

Saturday evening:

After approximately 22:45 and until the end of service, buses will replace trains between:

  • Pontypridd and Cardiff Central

  • Radyr and Cardiff Central

  • Cardiff Central and Cardiff Bay

  • Ystrad Mynach and Cardiff Central

Additionally, the 23:00 Cardiff Central to Treherbert service will be diverted to run via Fairwater. You should use replacement buses for stations via Cardiff Queen Street.

No trains will run between Cardiff Central and Coryton. You can use your ticket at no extra cost between Cardiff Central and Coryton with Cardiff Bus.

Sunday morning:

Before 08:55, buses replace trains between:

  • Pontypridd and Cardiff Central

  • Merthyr Tydfil and Cardiff Central

  • Caerphilly and Cardiff Central

No trains will run between Cardiff Central and Coryton. You can use your ticket at no extra cost between Cardiff Central and Coryton with Cardiff Bus.

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.

You can plan your journey on Cardiff Bus services by using use the Traveline website

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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