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Buses replace trains between Cardiff Central and Bridgend via Pontyclun from Saturday 27 to Tuesday 30 December 

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Engineering work details

Starts Saturday 27 December 2025 to Tuesday 30 December 2025

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Route(s) affected

Great Western Railway between London Paddington / Bristol Parkway and Swansea / Carmarthen

Transport for Wales between Rhymney / Cardiff Central and Bridgend, between Ebbw Vale Town and Maesteg, and also between Manchester Piccadilly and Swansea / Pembroke Dock / Milford Haven / Fishguard Harbour

Description

Engineering work is taking place between Cardiff Central and Bridgend via Pontyclun, closing some lines.

Great Western Railway:

On Saturday and Sunday only, trains between London Paddington and Cardiff Central / Swansea / Carmarthen will be retimed to run up to 2 minutes earlier or later than usual.

An amended (hourly) service will run between Cardiff Central and Swansea, with some trains running to / from Carmarthen.

Trains will be diverted between Cardiff Central and Bridgend (via Ninian Park, not calling), extending journey times by a few minutes. Calling times at stations between Cardiff Central and Swansea / Carmarthen will be amended, and will be a few minutes earlier or later than usual.

Transport for Wales:

Maesteg services will shuttle between Bridgend and Maesteg.

All services from / to the west of Cardiff Central will call at all stations where possible and divert via Ninian Park (non stop) and through Cardiff platform 4.

Services that previously ran between Ebbw Vale Town and Maesteg will now start / terminate at Cardiff Central.

Due to engineering work in the Cardiff area, trains will be re-timed.

Check before you travel:

If you are travelling with Great Western Railway, you can plan your journey using the National Rail Enquiries Journey Planner

If you are travelling with Transport for Wales, 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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