Amended late night Great Western Railway services from London Paddington to Swansea from Monday 25 to Thursday 28 May
Engineering work details
Starts Monday 25 May 2026 to Thursday 28 May 2026
Train operators affected
Route(s) affected
Between London Paddington and Swansea
Description
Engineering work is taking place overnight between Cardiff Central and Bridgend, closing some lines.
The 20:48 (departing earlier at 20:12) London Paddington to Swansea service will divert between Cardiff Central and Bridgend (via Ninian Park – not calling) arriving / departing Bridgend and beyond later than normal.
The 21:48 (departing earlier at 21:12) London Paddington to Swansea service will use this route as normal between Cardiff Central and Bridgend (via Ninian Park – not calling).
The 22:49 London Paddington to Swansea service will be diverted between Swindon and Newport and will connect with a replacement bus at Swindon to Bristol temple Meads, calling at Chippenham and Bath Spa (drop off only). The train will further divert between Cardiff Central and Bridgend (via Ninian Park – not calling) arriving / departing Bridgend and beyond later than normal.
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 set-down 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.
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