The Maryborough Area system is located in South East Queensland, stretching from Kingaroy in the south to Graham in the north, from Monto in the west to Hervey Bay in the east. The system caters for general freight traffic.
The Maryborough Area system comprises a number of branch lines that junction with the North Coast Line at Theebine, Mungar, Maryborough West, Colton and Gladstone. At Graham, the system joins the Moura system to give access to Gladstone and port facilities.