Plans to revitalise and upgrade the road network near Perth Airport are closer following launch of a $6.
The SA Government has awarded Parsons Brinkerhoff and Wallbridge & Gilbert the planning and environmental studies contract for the $445 million duplication of the Southern Expressway.
Macmahon Holdings Limited has been awarded a $74 million contract by Main Roads Western Australia for the design and construction of the Great Eastern Highway Roe Interchange Project.
The South Australian Government will invest $10.
Preliminary design and construction costing has been completed on the eastern section of the Hunter Expressway Project in NSW with the contract finalised at $825 million.
The Queensland Government and Townsville City Council will provide additional on and off ramps as part of the Douglas Arterial Duplication project.