"Erk" <erk@erkV69.au.com> wrote in message 39db1e74$1@news.iprimus.com.au">news:39db1e74$1@news.iprimus.com.au... > What about making the single line sections (eg Richmond-Blacktown and > Sutho-Cronulla) double track all the way through first before we start to > talk about tidal flow bi-di 3rd lines. That would be part of it of course. Dave