Future engineering work

PAGE LAST UPDATED: 16/02/2019 17:43. Update now

See details of routes affected by planned engineering works, including when they take effect, maps of the affected area, alternative timetables, advice for alternative travel and real-time updates.

Buses replace trains between Cardiff Central and Pontypridd on Sunday 23 September

Start date
23/09/2018  00:00
End date
Route affected
Download map of route afected

Between Cardiff Central and Pontypridd

TOC(s) affected
Transport for Wales

Engineering work is taking place between Cardiff Central and Pontypridd, closing all lines.

Buses will replace trains between Cardiff Central and Pontypridd until 11:00, and between Radyr and Pontypridd after 11:00. These services will be timed to connect with services on to Treherbert / Aberdare / Merthyr Tydfil.


  • The 18:56 Barry Island to Aberdare, the 19:56 Barry Island to Merthyr Tydfil and the 21:26 Barry Island to Treherbert services will terminate at Radyr. Replacement buses will run from Radyr to Aberdare / Merthyr Tydfil / Treherbert.
  • The 21:38 Merthyr Tydfil to Cardiff Central service will terminate at Pontypridd. A replacement bus will run between Pontypridd and Cardiff Central.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages


Non folding bicycles are not allowed on rail replacement bus services at any time. Folding bicycles are allowed if fully folded. For more information, please see here.

Project Information:

You can read more about engineering work and why it is necessary.