Engineering work is taking place between Gloucester and Severn Tunnel Junction, closing some lines.
From 23:55 until 05:45 each morning (ending Friday morning) trains which usually run between Cheltenham Spa and Cardiff Central will start / terminate at Gloucester, Lydney, Chepstow or Severn Tunnel Junction.
Rail replacement buses will run to cover missing journey legs between these stations.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use this page.
You can find the location of your replacement bus by checking station signs or by searching for your station on our station information pages.