Disruptions & planned work

Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight. Great Western Railway: Sunday: The 20:45 (departing 20:57) and 21:45 London Paddington to Swansea services will divert between Cardiff Central and Bridgend. These trains will arrive at / depart from Bridgend approximately 25 minutes later than usual. Monday to Thursday: The 20:48 London Paddington to Swansea service will divert between Cardiff Central and Bridgend via Ninian Park (not calling). This train will arrive at / depart from Bridgend a few minutes later than normal. The 21:48 and 22:49 London Paddington to Swansea services will divert between Cardiff Central and Bridgend via Barry (not calling). These trains will arrive at / depart from Bridgend later than normal. Monday to Friday: The 03:46 (departing 03:39) Swansea to London Paddington service will divert between Bridgend and Cardiff Central via Barry (not calling). The train will depart at normal time from Cardiff Central and beyond. Transport for Wales: It is not yet known how this service will be affected. Check back closer to the date of travel for more information. Check before you travel: If you are travelling with Great Western Railway, you can plan your journey using the National Rail Journey Planner . If you are travelling with Transport for Wales, these changes are not currently shown in the National Rail Journey Planner, please check back nearer to the time of travel.

From 10 Jan 2027, 00:00 · Until 15 Jan 2027, 23:59 · Source changed 19 Oct 2026, 21:16

Operators: Great Western Railway, Transport for Wales

Engineering work is taking place between Bridgend and Cardiff Central, closing some lines. The 07:55 Swansea to London Paddington (diverted to London Euston) will also divert between Bridgend and Cardiff Central (via Ninian Park – not calling). It will depart Cardiff Central 08:58 and Newport 09:14. (a few minutes later than normal). Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 3 Jan 2027, 00:00 · Until 3 Jan 2027, 23:59 · Source changed 12 Oct 2026, 07:26

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 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 between Cardiff Central and Bridgend, closing some lines overnight. The following services are affected: Monday to Wednesday: The 20:48 London Paddington to Swansea service will be diverted between Cardiff Central and Bridgend via Ninian Park (not calling), extending journey times by a few minutes The 22:49 London Paddington to Swansea service will be diverted between Swindon and Bristol Parkway, and between Cardiff Central and Bridgend, extending journey times by a few minutes Thursday: The 20:48 London Paddington to Swansea service will terminate at Cardiff Central The 21:48 and 22:49 London Paddington to Swansea services will not run No onward travel will be provided between Cardiff Central and Swansea. Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 21 Dec 2026, 00:00 · Until 24 Dec 2026, 23:59 · Source changed 30 Sept 2026, 18:11

Operators: Great Western Railway

Engineering work is taking place between Radyr and Cardiff Central / Bridgend via Barry, closing various lines. Buses will replace trains between Cardiff Central and Penarth / Barry Island / Bridgend via Barry. On Sunday only, buses will replace trains between Radyr and Cardiff Central via Ninian Park. Until 12:00 on Sunday and from approximately 23:00 until the end of service on Monday and Tuesday, buses replace trains between Cardiff Central and Ebbw Vale Town. From approximately 22:15 until the end of service on Monday and Tuesday, buses will replace trains between Cardiff Queen Street and Cardiff Bay. 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 27 Dec 2026, 00:00 · Until 29 Dec 2026, 23:59 · Source changed 29 Sept 2026, 12:04

Operators: Transport for Wales

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 London Paddington to Swansea service on Wednesday and Thursday will have an 8 minute extended journey time between Bridgend and Port Talbot. The 22:49 London Paddington to Swansea service will divert between Swindon and Bristol Parkway. It will call additionally at Chippenham and Bath Spa (set down only), then arrive / depart Bristol Parkway and beyond later than normal, this train will also be diverted to run via Ninian Park, and will call at Bridgend and beyond a few minutes later than usual. On Wednesday and Thursday it will have an 8 minute extended journey time between Bridgend and Port Talbot. Tuesday to Friday: The 03:46 Swansea to London Paddington will arrive / depart Bridgend a few minutes later than normal. Normal timings arrive / depart Cardiff Central and beyond. Check before you travel: You can plan your journey using the National Rail Enquiries Journey Planner .

From 9 Nov 2026, 00:00 · Until 13 Nov 2026, 23:59 · Source changed 17 Aug 2026, 09:43

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