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Amended late night / early morning services between Cardiff Central and Cardiff Queen Street from Monday 27 April and Friday 1 May 

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Engineering work details

Starts Monday 27 April 2026 to Friday 01 May 2026

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Train operators affected

Route(s) affected

All routes to / from Cardiff Queen Street

Description

Engineering work is taking place in the Cardiff area, closing some lines.

The following services will be amended:

  • 22:37 Merthyr Tydfil to Cardiff Central has been diverted via Fairwater with a bus connecting out of the service from Radyr to Cardiff Central

  • 22:49 Barry Island to Ystrad Mynach service will terminate at Cardiff Central, a rail replacement bus will operate from Cardiff Central to Ystrad Mynach

  • 23:00 Cardiff Central to Treherbert has been diverted via city line with a bus departing Cardiff Central to Treherbert

  • 23:45 Cardiff Central to Pontypridd service will be diverted via Fairwater with a bus also departing Cardiff Central to Pontypridd via Cardiff Queen Street

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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