No trains to / from Swansea from Monday 26 January to Friday 6 February
Engineering work details
Starts Monday 26 January 2026 to Friday 06 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 / Carmarthen / Pembroke Dock / Milford Haven / Fishguard Harbour, between Manchester Piccadilly and Swansea / Carmarthen / Pembroke Dock / Milford Haven / Fishguard Harbour and also between Shrewsbury and Swansea / Fishguard Harbour
Description
Engineering work is taking place at Swansea, closing all lines.
Great Western Railway:
Rail replacement buses will operate between Port Talbot Parkway and Swansea, calling at Neath. Some buses will operate to / from Llanelli.
Most trains between London Paddington and Swansea / Carmarthen will run between London Paddington and Port Talbot Parkway only.
Transport for Wales:
Rail replacement buses will operate between Port Talbot Parkway and Llanelli.
A limited service will operate between Cardiff Central and Carmarthen via Llangennech in the mornings and late evenings.
Most trains between Manchester Piccadilly / Cardiff Central and Swansea / Carmarthen will run between Manchester Piccadilly / Cardiff Central and Port Talbot Parkway only.
Two trains per hour will operate from Llanelli to Carmarthen / Pembroke Dock / Milford Haven / Fishguard Harbour.
Services between Shrewsbury and Swansea via Llandrindod will be diverted to run via Carmarthen.
Please note that on Tuesday 27 January, northbound Heart of Wales services will be further amended due to additional engineering works near Llanelli.
Check before you travel:
If you are travelling from Monday 26 to Friday 30 January, you can plan your journey using the National Rail Enquiries Journey Planner
If you are travelling on or after Saturday 31 January, 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.
Advertisement