Infrastructure Australia has dramatically scaled down the expected cost of road congestion in Perth, mainly because of lower population growth, but has warned about the impact of continued urban sprawl.
The Environmental Protection Authority has recommended environmental approval for the state government's Thornlie to Cockburn rail line extension, despite adverse effects on residents and cockatoo habitats.
Canadian company Stantec has disclosed it paid C$135.8m ($147 million) for Perth-based Wood & Grieve Engineers, which it acquired in March, nearly 60 years after the Perth-based company was established.
Georgiou Group has secured a contract for the design and construction of a new interchange at Roe Highway and Kalamunda Road, as it reached a key milestone on a second infrastructure package at Perth Airport (see video).
TNG has signed a binding contract with rail operator Genesee & Wyoming Australia to haul product from the Mount Peake vanadium-titanium-iron mine more than 1100 kilometres to a processing facility in Darwin, Northern Territory.