Disruptions & planned work

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning. Monday to Wednesday: The 20:48 London Paddington to Swansea service will be diverted to run via Ninian Park, and will call at Bridgend and beyond a few minutes later than usual. Monday to Thursday: The 21:48 and 22:49 London Paddington to Swansea services will be diverted to run via Barry, and will call at Bridgend and beyond up to 25 minutes later than usual. Tuesday to Friday: The 03:46 Swansea to London Paddington service will start earlier than usual at 03:39, and will call at Neath, Port Talbot Parkway and Bridgend slightly earlier than usual. It will then divert between Bridgend and Cardiff Central to run via Barry, before departing Cardiff Central and beyond at the normal times. Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 14 Dec 2026, 00:00 · Until 18 Dec 2026, 23:59 · Source changed 8 Oct 2026, 19:25

Operators: Great Western Railway

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning. Monday to Thursday: The 20:48 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park) calling at Bridgend and beyond a few minutes later than normal. The 21:48 and 22:49 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry) calling at Bridgend and beyond later than normal. Tuesday to Friday: The 03:46 Swansea to London Paddington service will be amended to start from Swansea earlier than usual at 03:38, and will call at Neath, Port Talbot Parkway and Bridgend earlier than usual. It will then divert to run via Barry, and will then depart Cardiff Central at the normal time. Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 16 Nov 2026, 00:00 · Until 20 Nov 2026, 23:59 · Source changed 8 Oct 2026, 12:24

Operators: Great Western Railway

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. 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 overnight at Swansea station, closing some lines. Wednesday and Thursday: The 18:35 Shrewsbury to Swansea service will run between Shrewsbury and Llanelli. A replacement bus will run between Llanelli and Swansea. The 21:07 Pembroke Dock to Cardiff Central will be diverted and will not call at stations between Whitland and Port Talbot Parkway / Cardiff Central. A bus will run between Swansea and Cardiff Central for intermediate stops. The 23:17 Cardiff Central to Carmarthen train will be diverted via Bynea. The 23:46 Carmarthen to Swansea train will not run and will be replaced by a bus. Thursday and Friday: The 04:37 Carmarthen to Swansea train will not run and will be replaced by a bus. The 05:13 Swansea to Llandovery will run between Llanelli and Llandovery. A replacement bus will run between Swansea and Llanelli to connect with train. 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 4 Nov 2026, 00:00 · Until 6 Nov 2026, 23:59 · Source changed 24 Sept 2026, 12:58

Operators: Transport for Wales

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

Engineering work is taking place overnight between Carmarthen and Port Talbot Parkway, closing some lines. Trains will be diverted via freight lines between Llanelli and Port Talbot Parkway. Replacement buses will run between Carmarthen and Port Talbot Parkway. The 21:07 Pembroke Dock to Cardiff Central service will depart Carmarthen at 22:35 (6 minutes earlier than normal). 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 3 Dec 2026, 00:00 · Until 3 Dec 2026, 23:59 · Source changed 9 Sept 2026, 07:54

Operators: Transport for Wales

Engineering work is taking place overnight between Port Talbot Parkway and Swansea, closing some lines. Wednesday and Thursday: The 21:48 and 22:49 London Paddington to Swansea will terminate at Port Talbot Parkway. A replacement bus service will run from Port Talbot Parkway to Neath and Swansea. Road journey times: Port Talbot Parkway-Neath 15 minutes; Neath-Swansea 22 minutes. Thursday and Friday: The 03:46 Swansea to London Paddington will start from Port Talbot Parkway at 04:05. An earlier replacement bus will depart at 03:18 from Swansea and Neath 03:40 to Port Talbot Parkway to connect into the train. 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.

From 2 Dec 2026, 00:00 · Until 4 Dec 2026, 23:59 · Source changed 7 Sept 2026, 10:49

Operators: Great Western Railway

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning. Monday to Thursday: The 20:48 London Paddington to Swansea service will be diverted to run via Ninian Park, and will call at Bridgend and beyond a few minutes later than usual. The 21:48 and 22:49 London Paddington to Swansea services will be diverted to run via Barry, and will call at Bridgend and beyond up to 25 minutes later than usual. Tuesday to Friday: The 03:46 Swansea to London Paddington service will start earlier than usual at 03:38, and will call at Neath, Port Talbot Parkway and Bridgend slightly earlier than usual. It will then divert between Bridgend and Cardiff Central to run via Barry, before departing Cardiff Central and beyond at the normal times. Check before you travel: You can plan your journey using the National Rail Enquiries Journey Planner .

From 19 Oct 2026, 00:00 · Until 23 Oct 2026, 23:59 · Source changed 27 Jul 2026, 11:27

Operators: Great Western Railway