The Southern Highlands Line is an Intercity rail service operated by NSW TrainLink that services the Macarthur, Southern Highlands and Southern Tablelands regions of New South Wales. First operating in 1869, the service runs from across the Main Southern railway line through to , with peak hour services extending the route to . The railway service operates alongside a bus route from to , operating on the route of the Picton – Mittagong loop railway line, and a regional coach service from to on the South Coast Line, operating on the corridor of the Unanderra - Moss Vale railway line.