Adelaide-Port Augusta railway line

In 1937, the South Australian Railways extended its broad gauge line north from Redhill to Port Pirie. In the same year, the Commonwealth Railways extended its standard gauge Trans-Australian Railway line from Port Augusta south to Port Pirie.

In 1980, the Federal and State Governments entered an agreement to convert the line from Adelaide to standard gauge, albeit altered to meet the Trans-Australian Railway at Crystal Brook. This allowed Adelaide to become the last state capital to join the standard gauge network. The line opened in 1982.

It allowed Australian National to operate The Ghan, Indian Pacific and Trans-Australian through to Adelaide without passengers having to change trains. In July 1998, the line became part of the Australian Rail Track Corporation network.

Aurizon, Genesee & Wyoming Australia, Great Southern Rail, Pacific National and SCT Logistics operate services via the line.

SCT Logistics' Penfield intermodal terminal is connected to a siding south of the Northern Expressway and the Bolivar crossing loop.

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