Engineering work is taking place between Port Talbot Parkway and Swansea, closing all lines overnight from Monday evening until Thursday morning.
Monday to Wednesday:
The 21:48 and 22:49 London Paddington to Swansea services will terminate at Port Talbot Parkway. A replacement bus will run from Port Talbot Parkway to Neath / Swansea.
Tuesday to Thursday:
The 03:46 Swansea to London Paddington service will start from Port Talbot Parkway at 04:05. Earlier road transport will run from Swansea at 03:18 to Neath, connecting with the amended train.
Monday to Wednesday:
The 21:07 Pembroke Dock to Cardiff Central service will be diverted between Llanelli and Baglan, and will not call at stations via Swansea. A replacement bus will run from Llanelli to Cardiff Central, calling at all stops via Cardiff Central.
The 23:20 Cardiff Central to Carmarthen service will be diverted between Briton Ferry and Llanelli, not calling at stations via Swansea. A replacement bus will run from Port Talbot Parkway to Carmarthen, calling at all stops via Cardiff Central.
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 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.