The South Australian Railways (SAR) was established in the mid-19th century to provide rail transport across the state of South Australia. It played a crucial role in connecting major cities and rural areas, facilitating trade and travel. The network expanded significantly, with various lines linking to key locations, including the capital, Adelaide. In 1975, the South Australian Railways was absorbed into the Australian National Railways Commission, marking the end of its independent operations. Today, remnants of the SAR's legacy can be seen in the ongoing use of rail services and infrastructure throughout South Australia, contributing to the region's transport system.