Western Harbour Tunnel and Beaches Link

In March 2017, the NSW Premier and Minister for Roads announced early planning for this project, including the preferred route and the start of geotechnical drilling. This project is not part of WestConnex or NorthConnex.

The proposal includes two key components:

The Western Harbour Tunnel

  • Will connect to WestConnex M4-M5 Link at the Rozelle Interchange; and
  • Cross underneath Sydney Harbour between the Birchgrove and Waverton areas and connect with the Warringah Freeway at North Sydney.

 Beaches Link

  • Is a tunnel which will connect the Warringah Freeway, cross under Middle Harbour connecting with the Burnt Bridge Creek deviation at Balgowlah; and
  • The Wakehurst Parkway will be upgraded to two lanes each way between Seaforth and Frenchs Forest.

More Information

RMS has released a number of informative documents including:

A number of community feedback sessions were conducted at the Balmain Town Hall in May 2017.

For more information, or to have your say on the project, refer to the RMS website.


Council staff met with Roads and Maritime Services to discuss the Western Harbour Tunnel. To view the minutes click on the link below;

27 April 2017 Inner West Council (IWC) & Roads & Maritime Services (RMS) (PDF 191KB)





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