Stage 2 includes connections from Stage 1 at Cove Street, Birchgrove, to the Warringah Freeway near North Sydney, tunnelling underneath Sydney Harbour, including complete tunnel fit-out. Click here to find out more about Stage 1.
Two types of tunnelling equipment will be used to build Stage 2: roadheaders between Cammeray and Waverton and Tunnel Boring Machines (TBMs) under the harbour from Waverton to Birchgrove.
Tunnelling on Western Harbour Tunnel Stage 2 started in November 2023 from the Cammeray temporary construction site, and tunnelling activities are progressing well.
In January 2024, the modification to the Western Harbour Tunnel Stage 2 project was approved by the Department of Planning, Housing and Infrastructure. This approval allows roadheader tunnelling to proceed south from the Ridge Street construction site, toward Sydney Harbour.
Stage 2 roadheader tunnelling from Cammeray begins
In May 2024 the project reached another major milestone with the start of roadheader tunnel excavation at our Ridge Street temporary construction site located along the Warringah Freeway in North Sydney.
This roadheader has begun excavating the future northbound off-ramp to the Warringah Freeway, travelling south towards the Pacific Highway where it will start excavating the mainline tunnels in late-2024.
Read our start of tunnelling notification for more information. To learn more about our construction activities and how we manage any potential impacts from our tunnelling activities, please refer to our Stage 2 fact sheets.
Community information sessions
We invite the community to attend information sessions either online or face-to-face.
Our online information session will be hosted on Teams on Thursday 30 May 2024 at 12.30pm. Click here to register to attend.
We will hold a face-to-face sessions at our Community Information Centre on Tuesday 22 May at 6pm. Click here to register to attend.
Across May 2024, we will be present at the following community markets where you can learn more about the project.
Saturday, 4 May from 8:00am – Northside Produce Market, Ted Mack Civic Park, 200 Miller St, North Sydney
Sunday, 5 May from 8:30am – Kirribilli Markets, 70-72 Alfred St S, Milsons Point
Sunday, 12 May from 8:30am – Kirribilli Markets, 70-72 Alfred St S, Milsons Point
Saturday 18 May from 8:00am – Northside Produce Market, Ted Mack Civic Park, 200 Miller St, North Sydney
Register to join our online information session here
View our current construction and tunnelling activities by location.
Click here to find out more about the final tunnel alignment, depth and tunnel support facilities.
Learn about the Property Condition Survey process.
See our FAQs for answers to some common questions people ask.
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For all general enquiries:
1800 931 189 (ask for Western Harbour Tunnel Stage 2)