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New electric trains running between Coryton, Caerphilly and Penarth

31 Jul 2025 2 minute read
One of the new TfW trains

Transport for Wales has introduced brand new electric trains on services between Coryton, Caerphilly and Penarth.

An additional five new tri-mode Class 756 trains, which are part of the Welsh Government’s £800m investment in new trains, will join the fleet that are already running on the Merthyr, Aberdare and Treherbert lines, taking the total of brand-new electric trains in service daily to 19 (with 24 in the total fleet).

The new trains, which provide 50% more capacity and improved accessibility, including level boarding, are being introduced after a successful trial on the Coryton line earlier this year.

Sunday service

The line is also set to benefit from a Sunday service, for the first time, from December.

Cabinet Secretary for Transport and North Wales, Ken Skates said: “I am delighted that we are introducing more brand-new electric trains on the Core Valleys Lines to deliver Better Transport for Wales.

“The Class 756 state-of-the-art trains are transforming travel for passengers with faster and more frequent services as well as greater capacity, comfort, and improved accessibility.

“This is another significant milestone on our mission to upgrade the Core Valley Lines and deliver a turn-up-and go metro service.”

Tweaks

TfW planning and performance director Colin Lea added: “In June last year we developed a new timetable to get the best out of our brand-new trains, which after a few tweaks was a success.

“Customers will now benefit from these changes with more capacity and reliability, level boarding and a better overall experience, as well as an hourly Sunday service from December.”

With the introduction of the new, longer three-carriage trains, Ty Glas station and its level crossing are now closed for redevelopment.


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