Operator: Transport for Wales
Routes affected:All Transport for Wales routes via Cardiff Queen Street
Twitter Hashtag:Description of Incident
Engineering work is taking place between Cardiff Queen Street and Heath High Level, closing all lines.
Trains between Cardiff Central and Treherbert / Aberdare / Merthyr Tydfil will be diverted via Fairwater (City line).
Trains between Penarth and Coryton will run between Penarth and Cardiff Central only. An amended train service will run between Heath High Level and Rhymney.
Rail replacement buses will operate between:
- Cardiff Central and Radyr via Cardiff Queen Street
- Cardiff Central and Caerphilly
- Cardiff Bay and Radyr
Your ticket will be accepted at no extra cost on Cardiff Bus route 6 between Cardiff Central and Cardiff Bay, and on Cardiff Bus services to / from Coryton.
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.
You can plan your journey on buses by using the Traveline website
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.
For the very latest National Rail information click here. Stay informed with our real-time National Rail incidents feed, providing you with up-to-the-minute updates on disruptions and incidents affecting the UK’s railway network. This page is dedicated to delivering accurate and timely information to the public, helping you plan your journeys better and stay ahead of any potential delays. Trust us for all your National Rail incident updates, because we understand that knowledge is the key to a smoother and more convenient travel experience. Please check back for the latest Transport for Wales status updates and disruption travel news. This page created on: 31-Dec-2025 07:19:02: AM