Engineering work is taking place between Three Bridges, Brighton, Hove and Lewes, closing all lines. Trains between London Victoria and Brighton, will be diverted via Horsham, Littlehampton and Hove, with extended journey times. A reduced number of trains will run between Brighton and Hove. Three Bridges and Lewes, Balcombe and Brighton, Haywards Heath and Plumpton, and Plumpton and Lewes. Additionally, early morning and late night replacement buses will run between Three Bridges and Brighton when direct trains via Littlehampton are not operating.