Department of Infrastructure, Transport, Regional Development, Communications and the Arts

Warrego Highway Upgrade Program

Funding Program:Investment Road and Rail Program
Transport Mode:Road
Expected Start/Finish:Early 2015 - Late 2020
Estimated Project Cost:$635,000,000
Australian Government Contribution:$508,000,000

Project Description

A program of 20 individual projects on the Warrego Highway between Toowoomba and Roma, expected to include:

  • over 25km of pavement widening of narrow pavement seals currently less than nine metres wide and pavement strengthening works on rough and failing pavements
  • up to 16.5km of duplication from two to four lanes, approximately 10km between Toowoomba and Oakey and approximately 6.5km at Dalby
  • up to 14 additional overtaking lanes between Oakey and Miles
  • replacement of a load-limited bridge structure at Jingi Jingi Creek
  • intersection safety upgrades at high-crash locations and at open-level rail crossings


Project benefits include:

  • Improved road safety
  • Improved flood immunity
  • Improved conditions for the transport of livestock
  • Improved vehicle operation and reduced transport costs
  • Improved reliability of the highway
  • Improved access for heavy vehicles


The Australian Government has committed $508 million to the project, with the Queensland Government to contribute $127 million.


Construction commenced on the first of the projects, Toowoomba to Oakey Stage 1 Duplication in early 2015. Construction on the last project was completed in December 2020.

Disclaimer: The material contained in this site is made available on the understanding that the Department is not thereby engaged in rendering professional advice for a particular purpose. Before relying on the material in any important matter, users should carefully evaluate the accuracy, completeness and relevance of the information for their purposes and should obtain appropriate professional advice relevant to their particular circumstances.

Project details last updated: 14/01/2021