Australia, Sept. 9 -- CIMIC Group's CPB Contractors has been selected by Main Roads WA to deliver the Kwinana Freeway Upgrade, between Roe Highway and Safety Bay Road, alongside partners McConnell Dowell, Jacobs and Arup.The Kwinana Freeway Upgrade will deliver a significant increase in capacity, safety and network efficiency across one of Western Australia's most critical transport corridors, ensuring it can meet the future demands of a rapidly growing population and economy. The project will reduce congestion, improve travel time reliability and support more efficient freight and commuter movements across the Perth metropolitan area.The contract will generate revenue of approximately $250 million to CPB Contractors. Design and constructio...