Disruptions & planned work

Engineering work is taking place overnight between Herford and Newport (South Wales), closing some lines. The 20:30 Manchester Piccadilly to Cardiff Central service will run between Manchester Piccadilly and Hereford. A replacement bus will run between Hereford and Cardiff Central. The 21:15 Carmarthen to Hereford service will run between Carmarthen and Newport. A replacement bus will run between Newport and Hereford. 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 1 Nov 2026, 00:00 · Until 1 Nov 2026, 23:59 · Source changed 21 Oct 2026, 11:13

Operators: Transport for Wales

Major engineering work is taking place between Slough and London Paddington, closing all lines over the Christmas and New Year period. Elizabeth line: Saturday 26 December: As part of the closure of the railway on Christmas Day and Boxing Day, no trains will run. Sunday 27 December to Wednesday 30 December: Trains will not run between Reading and London Paddington. Trains will be amended to run between London Paddington and Stratford (London) / Abbey Wood only. Rail replacement buses will run between Slough and Ealing Broadway / Hillingdon to help you complete your journey. (Hillingdon and Ealing Broadway both have connections to / from central London via the underground). If you have a National Rail paper ticket or e-ticket, you can use your ticket at no extra cost on the following operators’ services: London Underground Piccadilly line services on any reasonable route to / from Heathrow Airport Great Western Railway services between Reading and Slough Thursday 31 December and Friday 1 January Trains will not run between Reading and Slough. Trains will be amended to run between Heathrow Airport and London Paddington / Stratford (London) / Abbey Wood only. Rail replacement buses will run between Slough and Hayes & Harlington to help you complete your journey. If you have a National Rail paper ticket or e-ticket, you can use your ticket at no extra cost on the Great Western Railway services between Reading and Slough. Saturday 2 and Sunday 3 January Trains will not run between Reading and West Drayton. A full train service will operate between Heathrow Airport and London Paddington / Abbey Wood. No trains will call at Hanwell, West Ealing and Acton Main Line. Rail replacement buses will run between Maidenhead and Slough to help you complete your journey. If you have a National Rail paper ticket or e-ticket, you can use your ticket at no extra cost on the Great Western Railway services between Reading and Maidenhead. Additional information: Across this period, Elizabeth line are affected on other parts of their network. You can find more information on the service changes between London Liverpool Street and Shenfield . Great Western Railway: Saturday 26 December: As part of the closure of the railway on Christmas Day and Boxing Day, no trains will run. Sunday 27 December to Sunday 3 January: Long distance trains: No long distance trains will run between Reading and London Paddington. Trains that usually run between Carmarthen / Swansea / Bristol Temple Meads and London Paddington will divert to run via Oxford / Milton Keynes Central (not calling at either) and run to / from London Euston instead of to / from London Paddington. Trains that usually run between Penzance / Plymouth / Hereford / Great Malvern / Worcester / Swindon and London Paddington will be amended to start / terminate at Reading instead of starting / terminating at London Paddington. Local trains: No Great Western Railway trains will run between Slough and London Paddington. An amended train service will run between Reading and Slough. Trains between Slough and Windsor & Eton Central / Maidenhead / Marlow, and also between Twyford and Henley-on-Thames will operate normally. Greenford - West Ealing: From Monday 28 December to Sunday 3 January , trains will not run between these stations. You can use your ticket at no extra cost on London Buses and London Underground services. Great Western Railway ticket acceptance: Chiltern Railways between Oxford and London Marylebone South Western Railway between Reading and London Waterloo South Western Railway between Windsor & Eton Riverside (a short distance from Windsor & Eton Central) and London Waterloo Heathrow Express: Saturday 26 December to Wednesday 30 December: No train services will run. Thursday 31 December to Sunday 3 January: A normal train service will run. Check before you travel: You can plan your journey using the National Rail Journey Planner . If you are using contactless payment / Oyster card, you can also use the above alternative travel options but you will be required to pay the normal tap in / tap out fares for your journey. You can plan your journey on London Underground / London Buses by using the Transport for London 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 Dec 2026, 00:00 · Until 3 Jan 2027, 23:59 · Source changed 21 Oct 2026, 10:31

Operators: Elizabeth line, Great Western Railway, Heathrow Express

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 Shrewsbury and Welshpool / Llandrindod / Newport (South Wales), closing all lines. Buses will replace trains between: Shrewsbury and Welshpool Shrewsbury and Llandrindod Shrewsbury and Newport (South Wales) 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 13 Dec 2026, 00:00 · Until 13 Dec 2026, 23:59 · Source changed 15 Oct 2026, 09:06

Operators: Transport for Wales

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 Hayes & Harlington and Reading, closing some lines on Sunday. Elizabeth line: Before 08:00, buses will replace trains between West Drayton and Slough. A shuttle train service will run between Slough and Reading. After 10:00, trains that usually run between Abbey Wood and Maidenhead will run between Abbey Wood and London Paddington (Elizabeth line platforms) only. A reduced service will run at the following stations: 8 trains per hour to / from Ealing Broadway, Southall and Hayes & Harlington 2 trains per hour to / from Maidenhead, Burnham, Slough, Langley and West Drayton Great Western Railway: Local services: The 06:20 Reading to London Paddington service will terminate at Slough The 06:38 London Paddington to Reading service will start from Slough For these two trains, you should instead travel by later train services. From 08:30, trains from London Paddington to Didcot Parkway will be amended to run up to 2 minutes earlier than usual. Long distance services: Trains between London Paddington and Swindon / Oxford / Cheltenham Spa / Worcester / Great Malvern / Hereford / Bristol Temple Meads / Swansea / Carmarthen / Paignton / Plymouth / Penzance will be retimed to run up to 8 minutes earlier or later than usual 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 15 Nov 2026, 00:00 · Until 15 Nov 2026, 23:59 · Source changed 8 Oct 2026, 11:54

Operators: Elizabeth line, Great Western Railway

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 Carmarthen to Haverfordwest, departing earlier at 04:07. 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 21 Dec 2026, 00:00 · Until 23 Dec 2026, 23:59 · Source changed 6 Oct 2026, 17:00

Operators: Transport for Wales

Engineering work is taking place between Didcot Parkway and Swindon, closing all lines until 10:55. No trains will run between Didcot Parkway and Swindon before 10:55. From London Paddington: The 07:59 London Paddington to Bristol Temple Meads will start from Swindon (see next train). An earlier replacement bus will run from Didcot Parkway to Swindon to connect into the train. The 08:33 London Paddington to Swansea and 09:35 London Paddington to Carmarthen will depart earlier at 07:53 and 08:33, respectively. They will divert between Reading and Bristol Parkway, not calling at Didcot Parkway and Swindon. They will call additionally at Bath Spa and Bristol Temple Meads before regaining normal route at Bristol Parkway. The 09:00 London Paddington to Weston-super-Mare will start from Swindon. An earlier replacement bus will run from Didcot Parkway to Swindon to connect into the train. A separate train will operate at 09:00 from London Paddington to Reading and Didcot Parkway. To London Paddington: The 07:45 Bristol Temple Meads to London Paddington will divert between Chippenham and Reading (via Melksham and Newbury – not calling at either), arriving London Paddington later than normal. The 07:55 Swansea to London Paddington will divert between Bristol Parkway and Reading, not calling at Swindon. It will call additionally at Bristol Temple Meads and Bath Spa (pick up only), arriving London Paddington later than normal. The 08:29 Weston-super-Mare to London Paddington and 08:30 Bristol Parkway to London Paddington will terminate at Swindon. A replacement bus service will run from Swindon to Didcot Parkway, in both cases, for onward connections to London Paddington. The 08:35 Swansea to London Paddington will depart Cardiff Central and beyond later than normal. The 08:37 Swindon to London Paddington will start from Didcot Parkway. An earlier replacement bus will run from Swindon to Didcot Parkway to connect into the train. The 09:15 Swindon to London Paddington will start from Didcot Parkway. The 09:55 Bristol Parkway to London Paddington will not run. The 10:00 Bristol Temple Meads will depart 10:09 and operate later throughout. Additional services: The 10:20 Didcot Parkway to London Paddington. A replacement bus will run from Swindon to Didcot Parkway to connect with the train. The 11:20 Reading to London Paddington service will run as an additional 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 8 Nov 2026, 00:00 · Until 8 Nov 2026, 23:59 · Source changed 1 Oct 2026, 13:32

Operators: Great Western Railway

Engineering work is taking place between West Drayton and Slough, and between Reading and Reading West / Didcot Parkway / Theale, closing various lines. All day on Saturday and Sunday, trains to / from London Paddington / Slough / Reading will run to an amended or reduced timetable. Trains between London Paddington and Bristol Temple Meads will run a reduced service, with some services calling additionally at Reading / Didcot Parkway. On Saturday only, trains between London Paddington and Cheltenham Spa will run between Swindon and Cheltenham Spa only. Trains between London Paddington and Newbury will run between Reading and Newbury only. On Sunday only, the following services are amended: The 07:38 London Paddington to Didcot Parkway service will not call at Pangbourne, and will use alternative platforms at Tilehurst, Goring & Streatley and Cholsey The 08:04 London Paddington to Penzance service will depart earlier at 07:51 and divert between Reading and Westbury via Swindon (not calling), this train will not call at Newbury and Pewsey The 08:06 Reading to Newbury service will not run and will be replaced by a bus (not calling at Newbury Racecourse) The 08:18 Didcot Parkway to London Paddington service will not call at Pangbourne, and will use alternative platforms at Cholsey, Goring & Streatley and Tilehurst The 08:33 Reading to Bedwyn service will start from Newbury at 09:02 The 08:37 Reading to Basingstoke service will not run, and a rail replacement bus will run from Reading (departing 08:07) to Reading Green Park, Mortimer, Bramley and Basingstoke The 08:44 London Paddington to Penzance service will depart earlier at 08:33 and will call additionally at Newbury and Pewsey The 22:38 London Paddington to Didcot Parkway service (departing 22:38) will not call at Pangbourne, and will use alternative platforms at Tilehurst, Goring & Streatley and Cholsey The 23:31 London Paddington to Didcot Parkway service will not call at Pangbourne, and will use alternative platforms at Tilehurst, Goring & Streatley and Cholsey The 23:52 Didcot Parkway to London Paddington service will not call at Pangbourne, and will use alternative platforms at Cholsey, Goring & Streatley and Tilehurst Rail replacement buses will run between Tilehurst and Pangbourne for affected services. 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 19 Dec 2026, 00:00 · Until 20 Dec 2026, 23:59 · Source changed 28 Sept 2026, 11:35

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 Carmarthen and Pembroke Dock / Milford Haven / Fishguard Harbour, closing all lines. This means that buses will replace trains between Carmarthen and Pembroke Dock / Milford Haven / Fishguard Harbour. 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 1 Nov 2026, 00:00 · Until 1 Nov 2026, 23:59 · Source changed 24 Sept 2026, 11:10

Operators: Transport for Wales

Engineering work is taking place between Swindon and Bristol Parkway, closing all direct lines between these stations. No direct trains will run between Swindon and Bristol Parkway. Trains which usually run direct between Swindon and Bristol Parkway run to an amended timetable, and will be diverted to run via Bath Spa. These trains will still call at Bristol Parkway. Check before you travel: You can plan your journey using the National Rail Journey Planner .

From 31 Oct 2026, 00:00 · Until 1 Nov 2026, 23:59 · Source changed 24 Sept 2026, 10:33

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 Carmarthen and Pembroke Dock / Milford Haven / Fishguard Harbour, closing all lines. Buses replace trains between Carmarthen and Pembroke Dock / Milford Haven / Fishguard Harbour. 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, 11:49

Operators: Transport for Wales

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 between Pembroke Dock and Whitland, closing all lines. From Saturday 7 to Friday 13 November, buses will replace trains between Pembroke Dock and Carmarthen. 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 7 Nov 2026, 00:00 · Until 13 Nov 2026, 23:59 · Source changed 28 Aug 2026, 14:38

Operators: Transport for Wales

Engineering work is taking place in the Carmarthen area, closing all lines West of Carmarthen. All day on Sunday buses will replace trains between Carmarthen and Pembroke Dock / Milford Haven / Fishguard Harbour. 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 15 Nov 2026, 00:00 · Until 15 Nov 2026, 23:59 · Source changed 28 Aug 2026, 11:52

Operators: Transport for Wales