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Torrens to Darlington (T2D) Project

Sector: Road • Location: Adelaide, South Australia, Australia

Source: Felix

Project
Under Construction

The Torrens to Darlington Project is a $15.4 billion infrastructure project in South Australia involving the construction of twin tunnels and an open motorway to create a 78-kilometre non-stop, traffic light-free motorway between Gawler and Old Noarlunga. Major tunnelling works are set to begin with the assembly and deployment of three Tunnel Boring Machines (TBMs) to excavate the Northern and Sou

Status
Under Construction
Sector
Road, Government, Tunnel
Location
Adelaide, South Australia, Australia
Updated
22 Jul 2026
Source
Felix

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The project “Torrens to Darlington (T2D) Project” is an infrastructure initiative in the Road sector, located in Adelaide, South Australia, Australia. Taiyo aggregates data on it from Felix.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Torrens to Darlington Project is a $15.4 billion infrastructure project in South Australia involving the construction of twin tunnels and an open motorway to create a 78-kilometre non-stop, traffic light-free motorway between Gawler and Old Noarlunga. Major tunnelling works are set to begin with the assembly and deployment of three Tunnel Boring Machines (TBMs) to excavate the Northern and Southern Tunnels concurrently, aiming for project completion by 2031 or earlier.

Original sector

Transport

Budget

Location

Country

Australia

State

South Australia

City

Adelaide

Source

Source

Felix

URL

More Details

Record type

Project

Sector

Road, Government, Tunnel

Article published date

2026-04-14

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