Engineering work is taking place between Severn Tunnel Junction and Patchway, closing some lines on Monday and Tuesday evenings.
As a result, the 23:30 Cardiff Central to Bristol Temple Meads service will run 5 minutes later than usual from Patchway to Bristol Temple Meads.
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.