Construction Materials - Major Project Case Studies

Gateway WA, Western Australia

The $1 billion Gateway WA project was the largest road project undertaken by Main Roads Western Australia and involved upgrades to the Tonkin and Leach highways and an interchange and the construction of four new grade-separated interchanges.

It features 165 kilometres of new road lanes, 21 kilometres of shared path for pedestrians and cyclists and the widening of Tonkin Highway to three lanes in each direction.



Main Roads Western Australia alliance with CPB Contractors, Georgiou Group, GHD, AECOM and BG&E


Tonkin, Leach and Roe highways and Perth Airport precinct, Perth, Western Australia

Boral Products/Services

Supply and lay of 460,000 tonnes permanent and 30,000 tonnes temporary asphalt and 914,000 square metres spray seal


Gateway WA was completed in March, 2016

VIDEO - Time lapse