Buses replace late night / early morning service between Severn Tunnel Junction and Gloucester / Cheltenham Spa from Monday 21 to Thursday 24 December
Engineering work details
Starts Monday 21 December 2026 to Thursday 24 December 2026
Train operators affected
- Transport for Wales
Route(s) affected
Between Cardiff Central and Gloucester / Cheltenham Spa
Description
Engineering work is taking place between Severn Tunnel Junction and Caldicot, closing some lines overnight.
From Monday to Wednesday evenings, the 23:34 Cardiff Central to Gloucester will terminate at Severn Tunnel Junction. A rail replacement bus will run from Severn Tunnel Junction to Gloucester, departing at 00:21.
From Tuesday to Thursday mornings, the 05:38 Cheltenham Spa to Cardiff Central service will start from Severn Tunnel Junction at 06:28. A rail replacement bus will run from Cheltenham Spa to Severn Tunnel Junction, departing earlier at 04:33.
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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