Engineering work is taking place between Earlswood and Three Bridges, resulting in the closure of some lines.
Saturday
There will be reduced service between Bedford and Gatwick Airport..
Services between Peterborough and Horsham will be slightly retimed and make the additional stop at Purley.
Sunday
Trains will not run between London Bridge and Horsham.
Trains between Bedford and Three Bridges will be extended to run to / from Horsham.
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.