Future engineering work

PAGE LAST UPDATED: 22/03/2018 08:08. 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 and Treherbert / Aberdare / Merthyr Tydfil on Sunday 25 February

Start date
25/02/2018  00:00
End date
Route affected
Download map of route afected

Between Treherbert / Aberdare / Merthyr Tydfil and Cardiff Central / Barry Island / Bridgend  

TOC(s) affected
Arriva Trains Wales

Engineering work is taking place between Cardiff and Treherbert / Aberdare / Merthyr Tydfil, closing all lines until 13:00 on Sunday. Lines between Cardiff Central and Treherbert will be closed all day on Sunday.

Replacement buses will run all day between Cardiff Central and Treherbert, and until 13:00 between Cardiff Central and Aberdare / Merthyr Tydfil.

Check before you travel:

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


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.