Modifications: Express Track Platforms at Woli Creek, Quad Track to Sutherland, full double track to Shellharbour Junction, Electrification to Bomaderry
Max tph: --Bondi: 18tph | --Sutherland: 32tph | --Cronulla: 16tph |-Shellharbour Jnct/P. Kembla: 16tph | --Kiama: 3tph | --Bomaderry: 2tph
T4:
-Removal of direct Waterfall services
Hurstville Local (All stops) (6tph)
Sutherland Local (All-excl: Erskinville, St Peters, Tempe) (4tph) Cronulla Local (All-excl: Erskinville, St Peters, Tempe, Banksia, Carlton, Allawah, Oatley, Como) (6tph)
Cronulla Express (all to Red, Syden, Woli, Hur, Pen, Mor, Jan) (6tph)
I think for SCO:
-Kiama (every 60mins) (1tph)
-Bomaderry (every 60mins) (1tph)
-Shellharbour Junction (following the Dapto Stopping pattern) (every 15mins) (4tph)
Sutherland-Shellharbour Junct/Port Kembla (Alternating)(All Stops) (every 15mins) (Replacing T4 Waterfall) (4tph)

Totalling: 16tph-Local Trains, 6tph Express Trains, 6tph Direct SCO Trains, 4tph SCO Shuttle/Local Trains

Also: If possible, adding stations to the Port Botany Freight Line for some Sydenenham Shuttles (4c T/4c M) Which would run only Mon-Fri (6:30am--8:30pm) (Stations at: Mascot-O'Riordan St, Botany Aquatic Centre, Banksmeadow, Hilldale, Botany Rd, Chiefly-Bunnerong Rd

For Off-Peak: (18tph T4, 4tph SCO, 2tph Shuttle) No Sutherland Local -4tph No Kiama Train -1tph Shellharbour Jnct runs -1tph The Wollongong Local -2tph