The Sydney Trains network is a suburban rail system serving the city of Sydney, Australia. It consists of 11 lines that connect the city center to surrounding suburbs, making it a vital part of the public transport system. The network operates frequent services, providing commuters with an efficient way to travel. Trains run from early morning until late at night, with some lines offering 24-hour service on weekends. The network is integrated with other transport options, such as buses and ferries, allowing passengers to easily transfer between different modes of transport.