$9.9B Torrens to Darlington infrastructure upgrade designs revealed

The $9.9 billion Torrens to Darlington (T2D) Project has reached a significant milestone with the release of the project’s Reference Design for community feedback.

The congestion-busting $9.9 billion Torrens to Darlington (T2D) Project has reached a significant milestone with the release of the project’s Reference Design for community feedback.

The Reference Design covers the full length of the 10.5-kilometre non-stop motorway between the River Torrens and Darlington, which includes nearly seven kilometres of tunnels that will take tens of thousands of vehicles off South Road every day.

The $9.9 B T2D Project is the largest road infrastructure project in South Australia’s history and when complete in 2030, it will provide a 78-kilometre non-stop, traffic light-free North-South Corridor between Gawler and Old Noarlunga.

Today’s release shows for the first time the design of the project in its entirety and how motorists will travel between the River Torrens and Anzac Highway, including:

• More than two kilometres of twin three-lane tunnels;

• The avoidance of impact on heritage sites in Adelaide’s inner-west;

• The extent of the Northern Tunnels, with entry and exit points at Hilton and Torrensville; and

• East-west connectivity maintained and enhanced at James Congdon Drive, Richmond Road, and Everard and Barwell avenues.

The design will also be showcased from 29 November until 12 December at more than 20 displays and information kiosks at shopping centres, council libraries and community centres across the metropolitan area as part of the next round of engagement.

South Australia’s Premier Steven Marshall said this once-in-a-generation project will underpin the state’s construction industry for the next decade.

“This project is not only a generational game changer for South Australian motorists it’s also a huge boost for our local jobs market,” said Marshall.

It is estimated that the project will create more than 4,900 jobs during peak construction, inject $4.8M into the economy and reduce travel time between the River Torrens and Darlington to nine minutes. The 78-kilometer non-stop motorway will connect the North and South of SA.

Federal Minister for Communications, Urban Infrastructure, Cities and the Arts, the Hon Paul Fletcher MP, said the T2D Project was the most significant road project in South Australia’s history.

“The T2D is the final piece of the North-South corridor, which is one of the most significant projects in the state’s history and will ease congestion, allow freight to move around Adelaide more efficiently, and help commuters get home to their families sooner and safer,” said Minister Fletcher.

The Federal Government is also supporting the infrastructure project, pledging $2.71B at Stage 1 of the T2D.

Currently, 16 per cent of all trips across Greater Adelaide rely on a section of the T2D Project or its adjacent parallel alternatives and 96 per cent of people live within 30 minutes of the North-South Corridor, highlighting how important it is to complete the missing piece

“Anyone who’s travelled along this section of South Road knows it’s desperately needed upgrading for years and we’re getting on with the job of doing just that,” said Minister for Infrastructure and Transport Corey Wingard.

“From today, the community can see how it will operate as a whole and the incredible benefits it will deliver through improved travel times, local connectivity and urban amenity.

“The design includes two sets of three-lane tunnels making up more than approximately 60 per cent of the motorway and it retains significant sites such as the Thebarton Theatre, Queen of Angels Church and Hindmarsh Cemetery.”

The T2D Project has already awarded contracts worth more than $100 million, supporting 286 jobs.

Construction of Stage 1 of the T2D Project (south of Anzac Highway) is expected to start in 2023 and take about five years to complete, while work on Stage 2 (north of Anzac Highway) is scheduled to begin in 2026, subject to planning, approvals and funding, with completion scheduled for 2030.

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