"Hubert Lam" <hubert@imap4.com> wrote in message 82kqup$2nd$1@news1.mpx.com.au">news:82kqup$2nd$1@news1.mpx.com.au... > I've noticed at least 2 C-sets in sector 3 today (one going to Hornsby via > Epping and the other going to St. Marys), plus T sets rostered on for runs > that are usually done by R sets. > > > is this due to western line upgrading? > > Yes