From
Brighton Mainline Improvement ProjectLine closures:
Between Saturday 16 – Sunday 24 February 2019
Plus several weekends, the lines will be closed between:
Three Bridges and Brighton
Three Bridges and Lewes
This will mean significant changes to train services across the Southern, Gatwick Express and Thameslink networks and longer journey times for some passengers. No trains will run between Three Bridges and Brighton or between Three Bridges and Lewes on these dates. Brighton and stations to the west will have trains to and from London, but these will be diverted via Littlehampton and Horsham. There will be no direct trains to London from Lewes or Eastbourne between these dates.
I may have to reconsider my plans for my week off.