No late night / early morning trains to / from Cardiff Queen Street on Saturday 17 and Sunday 18 January
Engineering work details
Starts Saturday 17 January 2026 to Sunday 18 January 2026
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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