Perth's Metronet delays spark major transport infrastructure overhaul

Perth's transport landscape shifted this week as the State Government released updated delivery schedules for the Metronet rail expansion, confirming what commuters from Thornlie to Yanchep have increasingly suspected: the ambitious $2.3 billion project faces fresh delays that will push completion of some sections into 2027.

The revised timeline, announced alongside a $180 million injection into regional freight corridors, underscores the scale of Perth's infrastructure challenge. With the city's population projected to reach 2.6 million by 2050, transport planners are grappling with a backlog that decades of population stability masked.

The Thornlie line extension-originally promised for late 2024-now targets mid-2027, while the Yanchep extension faces similar slippage. Western Australia's Resources and Infrastructure Minister flagged supply chain pressures and subsurface complications around the Canning Bridge approach as primary culprits. The revelations come as private sector transport operators report record congestion on key arterials: Kwinana Freeway southbound between Cockburn and Rockingham now regularly gridlocked during peak hours, with journey times ballooning to 40 minutes.

Yet the week also brought positive momentum. The Port Authority greenlit a $240 million upgrade to Fremantle Port's rail infrastructure, a critical bottleneck for the iron ore export chains that drive Western Australia's $150 billion resources sector. The project targets completion by 2029 and will allow heavier, longer freight trains to bypass the congestion currently backing up on Dock Street and surrounding industrial zones.

Perth Airport similarly announced planning approval for its second runway precinct, a development that could ease capacity constraints as passenger numbers climb toward 25 million annually. The announcement was particularly significant given AUKUS naval commitments requiring enhanced logistics through Stirling Naval Base-defence corridor infrastructure increasingly intertwined with civilian transport networks.

However, not all news was constructive. The Western Australian Auditor General's office released findings this week criticising coordination failures between transport agencies on the Metronet project, citing poor communication between rail operators and road maintenance contractors. The report recommended a unified transport authority-a suggestion that has already provoked debate among local government bodies along proposed corridor routes.

For commuters, the immediate reality remains: more cars on roads designed for fewer, and rail infrastructure that won't catch up until 2027 at the earliest. Real estate agents report increased interest in Thornlie and Ellenbrook properties, driven partly by expectations that rail connectivity will eventually arrive. Until then, Perth's transport crisis remains the city's most visible infrastructure challenge-and its most urgent.