UK Train Journey Planner

Engineering work is taking place across Transport for Wales' Core Valley Lines, closing various lines in the Cardiff area at various times between Sunday 24 and Friday 29 January.

Service impact:

Sunday only:

Treherbert / Aberdare / Merthyr Tydfil services will run to / from Cardiff Bay.

The following rail replacement transport will run:

• Cardiff Central to Radyr via Fairwater at 08:31
• Radyr to Cardiff Central via Fairwater at 20:45 and 21:45

Monday - Friday:

Aberdare services will run to / from Cardiff Bay.

Merthyr Tydfil services will only run to / from Radyr.

The following rail replacement transport will run:

• Radyr to Cardiff Central via Fairwater at 22:45 and 23:45

Tuesday only:

Late-night services to / from Taffs Well, Pontypridd, Treherbert, Aberdare and Merthyr Tydfil will be replaced by rail replacement transport from approximately 23:00 until the end of service.

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.