About Metro Trains Melbourne, often known simply as Metro, is the operator and brand name of train services on the electrified metropolitan rail network serving the city of Melbourne, Victoria, Australia. It is the largest urban rail network in Australia, with 17 lines and 219 stations across 405 km (252 mi) of railways, and the second busiest network in Australia, with a patronage of 99.5 million as of 2021-2022. The network is owned by Public Transport Victoria who sublet the infrastructure and rolling stock to Metro Trains Melbourne, a joint venture between Hong Kong-based MTR Corporation (60%), John Holland Group (20%) and UGL Rail (20%). The three constituent companies are also partners in the Metro Trains Sydney joint venture, which has operated the Sydney Metro network since 2019.Metro Trains Melbourne took over as operator from Connex in 2009. Metro Trains Melbourne operates a fleet of 220 six-car train sets on 965 kilometres (600 mi) of track. There are sixteen regular service rail lines and one special events railway line. Metro Trains Melbourne is also responsible for 219 railway stations and employs a workforce of 3,500 rail professionals including train drivers, mechanical and electrical engineers, network operations specialists and customer service representatives Rolling stock Comeng X'Trapolis 100 Siemens Nexas HCMT Sprinter
