Gateway WA Alliance consortium, led by Leighton Contractors, has reached agreement with Main Roads WA on the price, scope and construction methodology for the US$896.07 million (AUD1 billion) Gateway WA Perth Airport and Freight Access Project. The Contract Cost Target agreed with Main Roads WA is valued at $805.56 million (AUD899 million) of which Leighton Contractors has a 68% share. The Gateway WA Alliance includes Leighton Contractors and partners Georgiou, GHD, AECOM, and BG&E. It was awarded the Perth