Balonne Highway

The Balonne Highway, a state highway of Queensland, is the continuation westward of List of [road routes in Queensland#49r|State Route 49] from the town of St George to its termination at Cunnamulla. There are no large settlements between St George and Cunnamulla.

Upgrades

Levee bank at Bollon

A project to construct a levee bank across the highway on the western side of, at a cost of $1.8 million, was completed in June 2021.

Roads of Strategic Importance upgrades

The Roads of [Strategic Importance] initiative, last updated in March 2022, includes the following projects for the Balonne Highway.

Corridor upgrade

A lead project to upgrade the Townsville to Roma corridor, including sections of the Carnarvon, Dawson, Gregory and Balonne Highways and surrounding state and council roads, at an estimated cost of $125 million, commenced construction of some work projects in 2020. Planning continues for other projects.

St George breakdown pad

A project to construct a breakdown pad on the Balonne Highway at St George at a cost of $2.4 million is planned to be completed by late 2022. This project is targeted for "early works" by the Queensland Government.