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Buses replace trains to / from / via Cardiff Queen Street and no trains to / from Cardiff Bay on Sunday 17 May 

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Engineering work details

Starts Sunday 17 May 2026 to Sunday 17 May 2026

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Train operators affected

Route(s) affected

All Transport for Wales services to / from / via Cardiff Queen Street, and all trains to / from Cardiff Bay

Description

Engineering work is taking place at Cardiff Queen Street, closing all lines.

No trains will run to / from / via Cardiff Queen Street.

No trains will run to / from Cardiff Bay.

Services between Rhymney / Caerphilly and Cardiff Central will run between Rhymney and Heath High Level only. You should change at Caerphilly for bus replacements between Caerphilly and Cardiff Central.

Services between Coryton and Cardiff Central will not run, you can use your tickets at no extra cost on Cardiff Bus routes 21, 23 and 27.

Services between Treherbert / Merthyr Tydfil / Pontypridd and Cardiff Central will divert to run between Radyr and Cardiff Central, with replacement buses running between Radyr and Cardiff Central via Llandaf / Cathays.

Services between Aberdare / Pontypridd via the City Line to / from Cardiff Central will run as normal.

Services to / from Cardiff Bay will not run, you can use your tickets at no extra cost on Cardiff Bus route 6, and you can also use the Transport for Wales bus replacements between Cardiff Bay and Radyr. Very early morning and late night, replacement buses will run between Radyr and Cardiff Bay via Cardiff Queen Street.

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 drop-off 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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