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Amended late night / early morning Transport for Wales service between Bridgend and Cardiff Central from Monday 25 August to Friday 29 August  

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Engineering work details

Starts Monday 25 August 2025 to Friday 29 August 2025

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Train operators affected

Route(s) affected

Between Fishguard Harbour / Milford Haven / Carmarthen / Maesteg and Cardiff Central, and also between Swansea and Manchester Piccadilly

Description

Engineering work is taking place overnight between Cardiff Central and Bridgend / Maesteg, closing some lines.

Monday to Thursday:

The 20:38 Milford Haven to Cardiff Central will be diverted via Llantwit Major.

The 21:46 Fishguard Harbour to Cardiff Central will be diverted via Llantwit Major.

The 22:27 Cardiff Central to Carmarthen will depart 3 minutes later at 22:30 and be retimed throughout.

The 23:16 Cardiff Central to Maesteg will be replaced with a rail replacement bus, departing Cardiff Central at 23:20.

The 23:20 Cardiff Central to Carmarthen will be diverted via Llantwit Major. A replacement bus service will run between Cardiff Central and Bridgend.

Tuesday to Friday:

The 05:43 Swansea to Manchester Piccadilly will be split at Cardiff Central. A new 05:41 Swansea to Cardiff Central service will operate, connecting into the onward portion at Cardiff Central.

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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