Buses replace trains between Cardiff Central and Swansea on Sunday 9 February
Engineering work details
Starts Sunday 08 February 2026 to Sunday 08 February 2026
Train operators affected
Route(s) affected
Great Western Railway between London Paddington and Swansea / Carmarthen
Transport for Wales between Cardiff Central and Swansea / Maesteg / Milford Haven / Fishguard Harbour / Pembroke Dock
Description
Engineering work is taking place between Cardiff Central and Port Talbot Parkway, closing some lines.
Great Western Railway:
Trains between London Paddington and Swansea/Carmarthen will terminate / start Cardiff Central.
Road transport will operate (hourly) between Cardiff Central and Swansea (fast) taking 60-75 minutes.
Except where shown below, Bridgend, Port Talbot Parkway and Neath customers to use Transport for Wales services.
Transport for Wales will be operating trains between Swansea and stations to / from Carmarthen (and beyond).
Also:
07:55 Swansea (starting Cardiff Central) to London Paddington: earlier road transport at 07:35 from Swansea (fast) to Cardiff Central to connect into the train. Also road transport from Neath, Port Talbot Parkway and Bridgend to Cardiff Central to connect. This bus starts from Swansea. Customers from Swansea to use the fast bus.
08:58 Bristol Parkway to Swansea will terminate Cardiff Central. Road transport as above.
21:45 London Paddington to Swansea(terminating Cardiff Central) will connect into road transport to Bridgend,
Port Talbot Parkway, Neath and Swansea.
Transport for Wales:
It is not yet confirmed how Great Western Railway are affected by these works.
Check before you travel:
If you are travelling with Great Western Railway, you can plan your journey using the National Rail Enquiries Journey Planner
If you are travelling with Transport for Wales, these changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
Replacement bus travel advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.
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