Tunnel Construction
Tunnel construction. Stock Image – Canva.
  • 12kms of the 24kms of tunnels have been dug
  • The Rozelle Interchange is on schedule to be completed by late 2023
  • The project is Australia's largest infrastructure project

Rozelle Interchange, Australia’s biggest road infrastructure project, has passed the halfway mark for tunnelling works.

The Rozelle Interchange and Iron Cove Link is a new underground motorway interchange that will provide connectivity to Sydney’s City West Link and the new M4 and new M5 (also known as the M8) Tunnels, bypassing Victoria Road between the Iron Cove Bridge and the Anzac Bridge.

Map of M4-M5 Link Rozelle Interchange Project

Rozelle Map
Source – CA Portal.

Premier Gladys Berejiklian said more than 9000 workers have worked on this stage of the WestConnex project.

“The NSW Government is committed to investing in major road infrastructure projects because we know improving our road network makes a real difference to people’s lives, while also providing much needed local jobs at a time when we need them most,” Ms Berejiklian said.

“The Rozelle Interchange is the missing link in the WestConnex Project and, along with the M4-M5 tunnels, will provide connections to the City West Link and the future Western Harbour Tunnel, while also bypassing Victoria Road.”

Large infrastructure projects like this, especially new motorways, can also have an upwards effect on house prices in the areas benefitting from improved transport links.

Nuts and Bolts

The project involves 24 kilometres of tunnelling, including three levels of tunnels in some parts. 12 kilometres of tunnel have been dug so far.

The project is expected to use 640,000 cubric metrics of concrete and 32,000 tonnes of steel.

Minister for Transport and Roads Andrew Constance said while tunnelling continues underground, plans to transform the old Rozelle Rail Yards into a park are coming to life.

“We know construction of the Rozelle Interchange is having a big impact on local residents and we thank them for their patience,” Mr Constance said.

“When the project is finished, the new Rozelle Parklands will have green fields for leisure activities, a boardwalk, picnic areas, play equipment, and new pedestrian and cycling paths.

“The 10 hectares of public parkland and open space will transform life in the Inner West, and will be a great legacy for Rozelle locals and the wider Sydney community.”

Andrew Constance, NSW Minister for Transport and Roads

The Rozelle Interchange is on schedule to be completed by late 2023.

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