Interstate traffic was rerouted through Toowoomba and the Warrego Highway as it presented a less steep gradient than via Warwick and Cunninghams Gap, shortening travel time especially for trucks.

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

A lead project to upgrade Queensland sections of the Toowoomba to Seymour corridor, including the Gore Highway and surrounding state and council roads, at an estimated cost of $62.5 million, was to commence in 2020 and is scheduled for completion in mid-2028.

[5] A project for surface rehabilitation of a section of the Gore Highway between Pittsworth and Millmerran at a cost of $17 million is planned to be completed by mid-2023.

[6] A project to plan safety upgrades on the Gore Highway and the Toowoomba - Athol Road, at a cost of $400,000, was completed in December 2021.

In 1849 government surveyor James Charles Burnett prepared a design for the town of Drayton and chose a site 3–4 miles (4.8–6.4 km) to the north-east for suburban allotments of 27–40 acres (11–16 ha).

The Warrego Highway (A2) was rerouted via the bypass between Helidon Spa (in the east) and an interchange at Charlton (in the west).