T4: Cardiff - Newtown

The T4 connects Cardiff with Newtown via the Brecon Beacons National Park. It's operated by Stagecoach as part of the Welsh Government's TrawsCymru network. It's every 30 mins Mon-Sat daytimes between Cardiff and Merthyr Tydfil and ever 2 hours beyond Merthyr Tydfil to Newtown.

The T4 serves just one stop in Central Cardiff, stop GJ on Greyfriars Road:

Here, the T4 is in express mode stopping only at the bus station, using stand 10 towards Newtown and stand 11 towards Cardiff:

At Brecon Interchange, the T4 uses stop 2 towards Newtown and stop 1 towards Cardiff:

The T4 starts from stand B at Newtown Bus Station:


See the timetable for the T4 on the following websites:

Here are links to live departure info at major stops towards Newtown:

...and back towards Cardiff:


Single and return fares can be looked up using the journey planner on Stagecoach's website

The only day ticket valid throughout the T4's route is the TrawsCymru Day Ticket at £11.00. It is also valid on all connecting TrawsCymru services

For shorter journeys, the following tickets are valid for part of the T4 route:


Change in Cardiff for:

Change at Pontypridd for Stagecoach 60/61 to Aberdare.

Change at Merthyr Tydfil for:

Change at Brecon for:

Change in Llandrindod Wells for Celtic X47 to Aberystwyth

Change in Newtown for:

The T4 passes near to the following railway stations:

Long Distance Footpaths

All of the information in this post is correct at the time of writing, but please check the relevant links before travelling.

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