Engineering work is taking place overnight between Severn Tunnel Junction and Lydney, closing some lines.
Monday to Thursday:
The 23:37 Cardiff Central to Gloucester train will terminate at Severn Tunnel Junction, a replacement bus will be provided between Severn Tunnel Junction and Gloucester.
Tuesday to Friday:
The 05:38 Cheltenham Spa to Cardiff Central will start from Chepstow. A replacement bus will depart Cheltenham Spa at 04:40 to Chepstow to connect with train.
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.