Engineering work is taking place on 2 out of 4 tracks between Slough and London Paddington, closing some lines.
As a result, the 19:59 Cheltenham Spa to London Paddington service will terminate at Reading.
Rail connections are available between Reading and London Paddington.
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.