The work will affect trains on Saturday (January 25) and Sunday (January 26).
We have compiled all the details on these works so that you can plan your journey this week.
Engineering work is taking place on the lines to and from London Victoria used by Southeastern services.
Trains will be diverted to London Cannon Street or London Blackfriars.
Sole Street Line:
Saturday (January 25):
Trains between London Victoria and Ramsgate and Dover via Chatham will run from London Cannon Street instead and run nonstop between London Bridge and St Mary Cray and Swanley.
On Saturday, stopping services which only run between London Victoria and Gillingham will not run.
Trains between London Cannon Street and Dover Priory via Chatham will only run between London Cannon Street and Faversham because of further engineering work.
Sunday (January 26):
Trains between London Victoria and Ramsgate via Chatham will run from London Cannon Street instead and run nonstop between London Bridge and St Mary Cray and Swanley.
These trains will only run between London Cannon Street and Sittingbourne because of further engineering work
Trains between London Victoria and Dover via Chatham will run from London Cannon Street instead and run nonstop between London Bridge and St Mary Cray and Swanley.
These trains will only run between London Cannon Street and Gillingham
Maidstone East Line:
Saturday and Sunday:
Trains between London Victoria and Ashford International via Maidstone East will run from London Charing Cross, and run nonstop between London Bridge and St Mary Cray
Bromley South Line:
Trains between London Victoria and Orpington will run from London Blackfriars, calling additionally at Elephant and Castle. Brixton station will be closed all day
Bexleyheath Line:
Trains between London Victoria and Dartford via Bexleyheath will not run.
On Saturday only, additional trains will run between London Cannon Street and Dartford via Bexleyheath.
On Saturday only, additional trains will run between London Blackfriars & Orpington via Denmark Hill, Lewisham & Bromley South.
Robertsbridge and Hastings area:
Engineering work is taking place between Robertsbridge and Hastings.
Trains will only be able to run between London Charing Cross & Robertsbridge
Replacement buses will run between:
Robertsbridge and Hastings calling at Battle and St Leonards Warrior Square
Robertsbridge and Hastings calling at all stations except Crowhurst
Battle and Crowhurst minibus shuttle
Sittingbourne area:
Engineering work is taking place between Sittingbourne and Faversham on Saturday.
On Sunday the work is extended to Herne Bay and Sittingbourne.
Saturday (January 25):
Sole Street Line: Trains between London Victoria and Dover Priory via Chatham will only run between London Victoria and Faversham.
These trains will run from London Cannon Street because of further engineering work at London Victoria
Replacement buses will run between:
Faversham and Dover Priory calling at Canterbury East
Canterbury East and Dover Priory calling at all stations
Sunday (January 26):
Sole Street Line: Trains between London Victoria and Ramsgate via Chatham will only run between London Cannon Street and Sittingbourne.
Trains which normally between London Victoria and Dover Priory via Denmark Hill will only run between London Cannon Street and Gillingham.
These trains will run to and from London Cannon Street because of further engineering work at London Victoria.
Additional trains will run between Herne Bay and Ramsgate
Highspeed via Gravesend: Trains between London St Pancras International and Ramsgate via Faversham will be retimed and only run between London St Pancras International and Sittingbourne
Sheerness line: Trains between Sittingbourne and Sheerness-on-Sea will be retimed
Replacement buses will run between:
Sittingbourne and Herne Bay calling at all stations except Teynham.
Sittingbourne and Dover Priory calling at Faversham and Canterbury East only.
Sittingbourne and Selling minibus calling at all stations.
Canterbury East and Dover Priory nonstop.
Canterbury East and Dover Priory calling at all stations.