The Second Range Crossing: How a Road Changed Toowoomba's Economic Geography

The Toowoomba Second Range Crossing, opened in 2019, represents the most significant infrastructure investment in the Darling Downs in a generation. The 41-kilometre highway diverting freight traffic around Toowoomba's CBD provides a time saving and reliability improvement for the heavy vehicle freight that moves between Brisbane and the Darling Downs that has already materially changed the logistics economics of regional Queensland trade.

The construction of the crossing required engineering works of extraordinary complexity through the Great Dividing Range, including Australia's longest road tunnel at more than 6.8 kilometres. The project was delivered by the federal and Queensland state governments through a public-private partnership with a concessionaire that operates the toll road under a long-term agreement before transfer to public ownership.

Toowoomba's industrial precincts have benefited from the improved freight connectivity, with logistics businesses citing the crossing as a factor in location decisions that have brought warehousing and distribution investment to the Darling Downs at rates not seen in previous decades. The positioning of Toowoomba at the intersection of the Warrego Highway and the range crossing creates a logical distribution hub for regional Queensland supply chains.

Domestic freight volumes through the crossing have grown consistently since opening. The coal seam gas industry in the Surat Basin, which routes significant heavy vehicle freight through the corridor, was a primary demand driver in the project's business case and has delivered patronage consistent with the modelled projections that underpinned the concession agreement.

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