Great Northern Highway Upgrade, Australia
At 3,200km, Great Northern Highway is one of the longest highways in Australia. It connects Perth, Western Australia, with Wyndham Port.
The upgrade of 218km section of Great Northern highway between Muchea and Wubin in the Wheatbelt region began in 2003 and is expected to be completed by 2019. The road upgrade will provide increased passing opportunities, as well as improve geometry and and safety for all highway users.
Great Northern Highway upgrade project background
Stage one of the Great Northern Highway upgrade between Muchea and Wubin was completed between 2003 and 2006.
A detailed planning for stage two of the upgrade was initiated in November 2014. The planning review was completed by Main Roads Western Australia in association with Muchea to Wubin Integrated project team, which includes the industry partners Jacobs and Arup, in 2015.
Construction on Great Northern highway upgrade between Muchea and Wubin
Stage one of construction on the road upgrade was completed between 2003 and 2006, which included reconstruction of 3.5km from Hart drive to Tee Tree road and realignment of 1.5km from Brockman River, as well as intersection improvements to Hart Drive, Chittering Road and Flat Rocks Road.
It also included reconstruction of 6km, including the realignment at Capapora Brook bridge, and the construction of a northbound passing lane.
The second stage of road upgrade involves construction of town bypasses, road widening, installing additional passing lanes, provision of flattened crests, and reduced curves. It also includes providing safer roadsides and improved rest area facilities with greater capacity.
As part of the second stage of upgrade, a 11km highway section through the Bindi Bindi bends and 21km section of new highway from Batty Bog to Walebing were upgraded at a cost of $35m and $65m respectively. Both the sections were upgraded in 2015.
Construction of 7km to the east of town of Bindoon, and Miling bypasses will begin by late-2016. Construction of 8km of local access roads for safer access points to the highway from old Gingin road to Sugargum Drive in Muchea North will also begin by late-2016.
Construction of New Norcia bypass began in early-2016. Construction works on Walebing realignment, Dalwalinu bypass, Nugadong road widening and Wubin bypass will start in 2017.
The second stage of the road upgrade is expected to be completed by 2019.
Contractors involved with the Great Northern highway upgrade
Access Alliance, comprising Main Roads WA, Brierty Contractors and consultants AECOM, delivered the remainder of the work and was responsible for the design and construction of a number of sections in late-2007.
Brierty was awarded a $45m contract for the upgrade of the Great Northern Highway between Batty Bog and Walebing in the Wheatbelt Region in June 2014. The scope of the work includes construction of 21km of road, in addition to earthworks, pavements, drainage and associated road infrastructure.
Financing for the Great Northern highway upgrade project
Stage one of the Great Northern Highway upgrade between Muchea and Wubin was funded with a total of $98.1m by the Australian Federal Government, including $14m in 2003, $51.1m in 2004 and $33m in 2006.
The Australian and Western Australian Governments committed $385m in funding for the second stage of upgrade. The Australian government contributes $307.8m for the project and the Western Australian government provides $76.95m in funding.
The New Norcia bypass, which is a part of stage two upgrade between Muchea and Wubin, will be funded with $23.88m and $5.93m by the Australian and Western Australian Governments respectively.