Engineering work is taking place between Horsham and Three Bridges, closing all lines; and also between Pulborough and Three Bridges, closing some lines.
Buses will replace trains between Horsham and Three Bridges.
A reduced Thameslink service will also run between Gatwick Airport and Three Bridges.
Customers may be required to change trains at Three Bridges to help complete journeys.
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 bus replacement by typing in your station hereÂ