Disruptions & planned work

Engineering work is taking place overnight between Port Talbot and Llanelli, closing some lines. Monday to Wednesday: 19:05 Pembroke Dock to Cardiff Central service will arrive into Cardiff Central later Monday to Thursday: 18:35 Shrewsbury to Carmarthen service will terminate at Carmarthen. Rail Replacement buses will depart Llanelli at 22:45 towards Swansea 21:07 Pembroke Dock to Cardiff Central service will divert after Llanelli by an alternative route, not calling at stations between Gowerton and Baglan via Swansea. A rail replacement bus will depart Llanelli at 23:20 to Cardiff Central calling at all stations via Swansea. 21:11 Milford Haven to Cardiff Central service will divert after Llanelli by an alternative route, not calling at stations between Gowerton and Baglan via Swansea. A rail replacement bus will depart Llanelli at 22:50 to Cardiff Central, calling at all stations via Swansea 22:12 Bristol Temple Meads to Carmarthen service will divert after Port Talbot Parkway by an alternative route, not calling at stations between Baglan and Gowerton via Swansea.. A rail replacement bus will depart Port Talbot Parkway at 00:26 to Carmarthen, calling at all stations Tuesday to Friday: 05:13 service from Swansea to Llandovery will be amended to start from Carmarthen at 05:07. A rail replacement bus will depart Swansea at 04:40 and run to Llanelli, where it will connect with the amended train service 05:43 Swansea to Manchester Piccadilly service will terminate at Cardiff Central and connect with the 06:46 Cardiff Central to Manchester Piccadilly service Check before you travel: You can plan your journey using the National Rail 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.

From 14 Dec 2026, 00:00 · Until 18 Dec 2026, 23:59 · Source changed 8 Oct 2026, 11:56

Operators: Transport for Wales

Engineering work is taking place between Bridgend and Baglan, closing some lines. As a result, the 08:04 Cardiff Central to Swansea service will depart later than usual at 08:30. Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 20 Dec 2026, 00:00 · Until 20 Dec 2026, 23:59 · Source changed 2 Oct 2026, 11:57

Operators: Transport for Wales

Engineering work is taking place between Bridgend and Baglan, closing some lines. The 07:55 Swansea to London Paddington service will start from Cardiff Central at 09:00. A rail replacement bus service (departing 07:50) will run directly from Swansea to Cardiff Central. An additional bus service will run between Swansea and Cardiff Central, calling at Neath and Port Talbot Parkway. Check before you travel: You can plan your journey using the National Rail 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.

From 20 Dec 2026, 00:00 · Until 20 Dec 2026, 23:59 · Source changed 28 Sept 2026, 15:00

Operators: Great Western Railway

Engineering work is taking place between Port Talbot and Swansea, closing some lines. As a result, the 23:20 Cardiff Central to Carmarthen service will be diverted after Port Talbot Parkway, and will not call at Baglan, Briton Ferry, Neath, Skewen, Llansamlet, Swansea or Gowerton. Two replacement buses will run: From Port Talbot Parkway to Carmarthen, calling at Neath, Swansea and Llanelli From Port Talbot Parkway to Carmarthen, calling at Baglan, Briton Ferry, Neath, Skewen, Llansamlet, Swansea, Gowerton, Llanelli, Pembury & Burry Port, Kidwelly and Ferryside Check before you travel: You can plan your journey using the National Rail 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.

From 26 Oct 2026, 00:00 · Until 29 Oct 2026, 23:59 · Source changed 16 Sept 2026, 12:39

Operators: Transport for Wales

Engineering work is taking place between Bridgend and Baglan, closing some lines. The 07:55 Swansea to London Paddington service will start from Cardiff Central at 09:00. A rail replacement bus service will run between Swansea and Cardiff Central, departing earlier at 07:50. Another bus will run between Neath, Port Talbot Parkway, Bridgend and Cardiff Central. Check before you travel: You can plan your journey using the National Rail 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.

From 25 Oct 2026, 00:00 · Until 25 Oct 2026, 23:59 · Source changed 16 Sept 2026, 11:47

Operators: Great Western Railway