New concrete culverts are being installed on the critical east-west rail corridor between Kalgoorlie and Zanthus in Western Australia to reduce the risks from extreme weather.
The railway line runs from coast to coast between Perth and Sydney. The latest culvert upgrade works began last weekend as part of the $2.8 billion Network Investment Program by ARTC and the Australian Government.
The upgrades are at three locations between Kalgoorlie and Zanthus in the south-east of Western Australia. Federal Minister for Infrastructure Catherine King said they would strengthen the resilience of the critical rail corridor against extreme weather.
“Crews will remove the existing track and culverts before installing new reinforced concrete structures that will carry more water away from the railway during heavy rainfall,” Ms King explained.
“The upgrades will improve drainage and reduce the risk of flood damage to the railway. The new culverts have been designed to safely manage a one in a hundred-year flood event, including projected climate change impacts to 2060.”
Once the new culverts are installed, crews will rebuild the track and prepare the railway to safely reopen to freight services.
Nine locations have been upgraded along the east-west corridor that helped to withstand flooding in 2026, Ms King said. Since 2024, new banks of culverts have been installed at 27 sites between South Australia and Western Australia, mitigating the risk of washaways at 35 existing culvert locations.
Image: ARTC
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