All Cronulla and some Waterfall trains make extra stops at St Peters and Erskineville.
Saturday from 3am to 11.30am, buses replace trains between Waterfall and Sutherland.
Trains run to a changed timetable between Cronulla, Sutherland and Bondi Junction.
Trackwork on other lines may also affect how you travel
City Circle: Trains do not run around the City Circle but continue to run between Central and Wynyard.
For travel to Circular Quay, St James or Museum use light rail, local buses or walk.
T8 Airport & South Line: Buses replace T8 Airport & South Line trains. For travel to the Airport, change at Central or Sydenham for a bus, not Wolli Creek.
M1 North West & Bankstown Line: Metro services do not run between Sydenham and Tallawong.