The Brisbane Valley Highway is a state highway in Queensland, Australia. It links the Warrego Highway near Ipswich and the D'Aguilar Highway about 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 north-west of Fernvale. 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 Ipswich Fernvale Esk Toogoolawah Major intersections Gallery See also Bridges over the Brisbane River Highways in Australia List of highways in Queensland List of highways numbered 85 References External links Highways in Queensland South East Queensland