If you like trains try Trainz. You won't regret it!
It only has content that comes standard in TRS2004. And was completed in build 2035.
From Waterfall Tunnel to Coalcliff Tunnel, as I remember it c1970.
Topographic maps 9029-1S & 9129-4S
Ghost Train Walk, John Oakes
New South Wales Track and Signal Diagrams, ARHS/nsw
Curve and Gradient Diagrams, Rail Access Corporation
Railway Rack Diagrams, New South Wales Metropolitan Areas, State Rail
Helensburgh v1-0 Waterfall Tunnel to Coalcliff Tunnel.
Helensburgh v1-0 Waterfall Tunnel to Coalcliff Tunnel with Stephen's crazy loops.
From Waterfall Tunnel to Coalcliff Tunnel, as it might have been if the original line was retained after duplication, c1970.
Nellsburgh v1-0 with Stephen's crazy loops.
ISTrainz on the Download Station