On 27 February 2019, Genesee & Wyoming Australia EMD-powered locos 1303/GWN004 haul an empty iron ore consist between Whyalla and Middleback Jct. The rail operations at the time were for GFG Alliance subsidiary Simec Mining.
With ongoing financial problems at the GFG Alliance owned Whyalla Steelworks, services on this isolated 1067mm narrow gauge network have been erratic since late 2024. In May 2025 the current rail operator, Aurizon, announced that it would be cutting its Whyalla workforce and only one rake (instead of four) would be required for limited haulage of iron ore.
It should be pointed out that most of the ore carried on the line was for export purposes, with only a small amount required by the steelworks itself.
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