Buses replace late night / early morning service between Haverfordwest and Carmarthen from Monday 21 to Wednesday 23 December
Engineering work details
Starts Monday 21 December 2026 to Wednesday 23 December 2026
Train operators affected
- Transport for Wales
Route(s) affected
Between Milford Haven and Carmarthen
Description
Engineering work is taking place between Haverfordwest and Carmarthen, closing some lines overnight.
On Monday and Tuesday evenings, the 23:26 Milford Haven to Carmarthen service will terminate at Haverfordwest. A rail replacement bus will run from Haverfordwest to Carmarthen, departing at 23:51.
On Tuesday and Wednesday mornings, the 04:49 Carmarthen to Milford Haven service will start from Haverfordwest at 05:32. A rail replacement bus will run from Cheltenham Spa to Severn Tunnel Junction, departing earlier at 04:07.
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 drop-off 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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