Engineering work is taking place in the Birmingham New Street area, closing some lines.
The 05:00 Birmingham New Street to Cardiff Central service will depart a few minutes later than usual.
The 05:36 Birmingham New Street to Cardiff Central service will depart a few minutes earlier than usual.
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.