Amended 07:55 Swansea to London Paddington on Sunday 20 December
Engineering work details
Starts Sunday 20 December 2026 to Sunday 20 December 2026
Train operators affected
- Great Western Railway
Route(s) affected
Between Swansea and London Paddington
Description
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.
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