The Cranbourne Line is a suburban railway line in Melbourne, Australia, operated by Metro Trains Melbourne. It runs from Cranbourne station in the southeast to Southern Cross station in the city center, covering approximately 50 kilometers. The line serves several suburbs, providing essential public transport for commuters. Opened in stages between 1886 and 2005, the Cranbourne Line has undergone various upgrades to improve service and capacity. It connects with other lines, including the Pakenham Line, enhancing accessibility for passengers traveling across the metropolitan area. The line is an important part of Melbourne's public transport network.