The changes will affect journeys from Tuesday to Friday (July 7 to July 10).
Below is a full guide to help you plan your travel.
Maintenance will be carried out overnight at multiple locations, leading to late-evening and night-time timetable alterations on several routes.
Tuesday (July 7):
From 11.40 pm until the end of service, buses will replace trains between Tunbridge Wells and Hastings.
The replacement services will run between:
• Tunbridge Wells and Hastings, calling at Wadhurst, Battle, West St Leonards, and St Leonards Warrior Square.
• Tunbridge Wells and Robertsbridge, calling at all stations.
• Battle and Crowhurst via a minibus shuttle.
Passengers travelling to or from Crowhurst who require additional assistance are advised to contact Southeastern’s accessible travel team before travelling.
Tuesday to Thursday (July 7 to July 9):
From 11.55 pm until the end of service, buses will replace trains between Lewisham and Dartford via Bexleyheath.
Trains will instead be diverted via Sidcup.
Tuesday, Thursday, and Friday (July 7, July 9, and July 10):
From 12.20 am until the end of service, buses will replace trains between Meopham and Gillingham/Sittingbourne.
A connecting train will run from Sittingbourne to Ramsgate.
Tuesday to Friday (July 7 to July 10):
The 12.25 am London Victoria to Ashford International service will be diverted between Bromley South and Ashford International, calling at Sevenoaks and Tonbridge.
Passengers should use the 12.40 am London Victoria to Meopham/Rochester service to connect with the replacement bus at Swanley.
Replacement buses will run between:
• Swanley and Ashford International.
• Maidstone East and Ashford International.
A minibus will also operate between West Malling and East Malling.
Passengers requiring assistance at East Malling are advised to contact Southeastern’s accessible travel team before travelling.
Wednesday (July 8):
From 12.30 am until the end of service, buses will replace trains between Rochester and Gillingham/Sittingbourne.
A connecting train will run from Sittingbourne to Ramsgate.
Wednesday and Thursday (July 8 and July 9):
The 11.07 pm London St Pancras International to Ramsgate service via Dover Priory will be diverted between Dover Priory and Ramsgate, taking an alternative route.
A replacement bus will run between Dover Priory and Ramsgate via Sandwich, calling at all stations.
