The Leichhardt Highway is a major transport route in Queensland, Australia.

[1] It runs northward from Goondiwindi for more than 600 kilometres until its termination at the Capricorn Highway near the small town of Westwood.

[2] The highway is a state-controlled strategic road, except for the section concurrent with the Gore Highway, which is a state-controlled part of the National Network.

[3] It is named after Prussian explorer Ludwig Leichhardt who travelled a route in the 19th century that roughly parallels today's highway.

A project to replace the Banana Creek bridge, at a cost of $7.7 million, was completed in April 2022.