The works will affect services on Sunday only (May 11).
Services will run as normal on Saturday (May 10).
We have broken down the details for you to plan your journey this weekend.
Sunday (May 11):
London Waterloo to and from Guildford via Woking stopping services will terminate at Woking.
Replacement buses will run between Woking and Guildford.
Additional services will run between London Waterloo and Woking.
London Waterloo to Guildford via Epsom services will terminate at Clandon.
London Waterloo or Wimbledon to Guildford via Cobham services will also terminate at Clandon.
Replacement buses will run between Clandon and Guildford.
Some lines in the Guildford area will be closed all day due to maintenance work.
London Waterloo to and from Portsmouth via Guildford services will start from Guildford.