Amended late night / early morning Transport for Wales service between Cardiff Central and Gloucester / Cheltenham Spa from Monday 17 to Friday 21 August
Engineering work details
Starts Monday 17 August 2026 to Friday 21 August 2026
Train operators affected
Route(s) affected
Between Cardiff Central and Gloucester / Cheltenham Spa
Description
Engineering work is taking place between Severn Tunnel Junction and Gloucester, closing some lines.
Monday to Thursday:
The 23:34 Cardiff Central to Gloucester service will terminate at Severn Tunnel Junction with an onward rail replacement bus being provided towards Gloucester (dep 00:15, Caldicot dep: 00:25, Chepstow dep 00:40, Lydney dep: 01:00 and Gloucester arr: 01:40).
Tuesday to Friday:
The 05:38 Cheltenham Spa to Cardiff Central service will start from Severn Tunnel Junction at 06:28 with a connecting inward rail replacement bus being provided from Cheltenham Spa (Cheltenham Spa dep: 04:33, Gloucester dep: 04:53, Lydney dep: 05:33, Chepstow dep: 05:53, and Caldicot dep 06:08).
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.
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