Future engineering work

PAGE LAST UPDATED: 19/09/2018 12:08. 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.

Amended late night service between Cardiff Central and Pontypridd / Aberdare / Merthyr Tydfil from Monday 6 to Thursday 9 August

Start date
06/08/2018  00:00
End date
Route affected

Between Bridgend /Barry Island and Pontypridd / Aberdare / Merthyr Tydfil

TOC(s) affected
Arriva Trains Wales

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

The 21:42 Bridgend to Aberdare will terminate at Cardiff Central. From Cardiff passenger should travel on the 22:46 Cardiff Central to Treherbert changing at Pontypridd for the rail replacement bus to Aberdare.

The 22:45 Barry Island to Pontypridd will terminate at Radyr. A bus will operate from Radyr to Pontypridd.

The 21:56 Barry Island to Merthyr Tydfil will terminate at Pontypridd. A bus will operate from Pontypridd to Merthyr Tydfil.

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.