Amended late night / early morning Transport for Wales service in Swansea area from Wednesday 3 to Friday 5 December
Engineering work details
Starts Wednesday 03 December 2025 to Friday 05 December 2025
Train operators affected
Route(s) affected
Various Transport for Wales routes via Swansea
Description
Engineering work is taking place overnight between Swansea and Llanelli, closing some lines.
Wednesday and Thursday:
18:35 Shrewsbury to Swansea service will terminate at Llanelli with connecting rail replacement road transport onwards to Swansea
22:27 Cardiff Central to Carmarthen service will run to an amended timetable, journey time extended, running later from Llanelli
21:46 Fishguard Harbour to Cardiff Central service will be iverted between Llanelli and Port Talbot Parkway, with replacement road transport available for stops between these stations
23:20 Cardiff Central to Carmarthen service will be diverted between Port Talbot Parkway and Llanelli, with replacement road transport available for stops between these stations
22:40 Swansea to Carmarthen train will not run and will be replaced by a bus
23:45 Swansea to Carmarthen train will not run and will be replaced by a bus
Thursday and Friday:
04:38 Carmarthen to Swansea train will not run and will be replaced by a bus
04:47 Carmarthen to Shrewsbury service departs earlier and runs earlier to Llanelli
05:16 Swansea to Llandovery starts Llanelli earlier, with connecting rail replacement road transport from Swansea
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
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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