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.