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newsApr 1, 20261:52

Giant Tunnel Boring Machine Lowered for Mega Motorway

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A monumental milestone in South Australias infrastructure: the first massive cutterhead for the Torrens to Darlington project is lowered into place, marking the start of the final stretch of the North-South Corridor motorway. This $15.4 billion project, involving three tunnel boring machines, will carve out twin tunnels, connecting Gawler to Old Noarlunga without a single traffic light. The project, despite a budget increase and home demolitions, promises to reduce peak-hour drives by 30-40 minutes and create 5,500 jobs, boosting the local economy.

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Giant Tunnel Boring Machine Lowered for Mega Motorway

Adelaide News Today | 2 Min News | The Daily News Now!

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Adelaide News Today | 2 Min News | The Daily News Now!Giant Tunnel Boring Machine Lowered for Mega Motorway. Machine-transcribed; use the interactive transcript above to jump the player to any line.

It's April 1st. This is Adelaide News today, powered by AI. I'm Cory with the story. They're lowering the first massive cutter head for a tunnel-boring machine into place down in Cloavily Park, kicking off the $15 billion for $100 million to Darlington Project. This beastways 300 tons and spans 15 meters across about as tall as the Thaybarton Theatre. It's the start of building the final stretch of a non-stop north-south corridor motorway. Two of these hundred-meter-long tunnel-boring machines are getting assembled side-by-side in the southern precinct right now, with parts for the third, one just rolling into South Australia. They'll carve out twin 4.5 km southern tunnels and twin 2.2 km northern ones, all to link up the full. 78 km route from Gollor to Old Noir Lunga without a single traffic light. Premier Peter Malinowskas called it a major milestone for the state's biggest infrastructure push ever, and new Transport Minister Joseph Kack said,

It's the moment tunneling feels real. Getting that giant cutter head down 20 meters, required road closures and even pulling traffic lights, showing the sheer scale of the operation. The project's budget jumped from $9.9 billion under the old government to its current $15 billion, $400 million, after design, tweaks in 2022, and it's met knocking down 524 homes in suburbs like Clovally Park in Edwards Town. But once it's done by 2031, it'll shave 30 to 40 minutes off peak hour drives from Heinmarsh to Darlington. This joint state federal effort will pump up 5,500 jobs in its first construction year alone, with 90% going to, locals. It's setting the stage for smoother rides and a real economic boost down under.

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