About Sydney Trains is the operator and brand name of the commuter rail network serving the city of Sydney, New South Wales, Australia. The network is a commuter rail system with a central underground core that covers 369 km (229 mi) of route length over 813 km (505 mi) of track, with 170 stations on eight lines. It has metro-equivalent train frequencies of every three minutes or better in the underground core, 5–10 minutes off-peak at most inner-city and major stations and 15 minutes off-peak at most minor stations. During the weekday peak, train services are more frequent. Rollingstock K Set T Set M Set H Set A Set B Set
