The Brisbane Valley Highway is a state highway in Queensland, Australia. It links the Warrego Highway near Ipswich and the D'Aguilar Highway about 4 km north of Harlin. Its direction follows the approximate course of the Brisbane River. It is part of State Route A17, which is duplexed with the D'Aguilar Highway to Nanango and then becomes the Burnett Highway. State Route 85 is duplexed with the Brisbane Valley Highway from Esk to the D'Aguilar Highway. The highway crosses the Wivenhoe Dam about 9 km north-west of Fernvale.

State-controlled road

Brisbane Valley Highway is a state-controlled, state-strategic road (number 42A).

Upgrades

Intersection with Warrego Highway

From 2015, the intersection with the Warrego Highway was converted into a grade-separated interchange.

Pedestrian facilities

A project to upgrade pedestrian facilities in Fernvale, at a cost of $1.566 million, was due for completion in early 2022.

Safety improvements

A project to improve safety on a section of the highway, at a cost of $14.4 million, was due for completion in mid-2022.

Pavement rehabilitation

A project to rehabilitate the road surface through Esk township, at a cost of $5.5 million, was due for completion in mid-2022.

List of towns along the Brisbane Valley Highway

Major intersections

Intersecting state-controlled roads

The following state-controlled roads, from south to north, intersect with the Brisbane Valley Highway:

Forest Hill–Fernvale Road

Forest Hill–Fernvale Road is a state-controlled district road (number 412) rated as a local road of regional significance (LRRS). It runs from Gatton–Laidley Road in to the Brisbane Valley Highway in, a distance of 38.2 km. It intersects with Coominya Connection Road in , and the Warrego Highway in Forest Hill.

Wivenhoe–Somerset Road

Wivenhoe–Somerset Road is a state-controlled district road (number 410) rated as a local road of regional significance (LRRS). It runs from Brisbane Valley Highway in to Esk–Kilcoy Road in, a distance of 39.2 km. It intersects with Mount Glorious Road (Northbrook Parkway) in.

Coominya Connection Road

Coominya Connection Road is a state-controlled district road (number 411) rated as a local road of regional significance (LRRS). It runs from the Brisbane Valley Highway in to Forest Hill–Fernvale Road in, a distance of 12.9 km. It does not intersect with any state-controlled roads.

Gatton–Esk Road

Gatton–Esk Road is a state-controlled regional road (number 4144). It runs from the Warrego Highway in to the Brisbane Valley Highway in, a distance of 39.8 km. It does not intersect with any state-controlled roads.

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