NSW Department of Planning and Environment

WestConnex is a 33 kilometre tolled motorway linking Sydney’s west and south west with Sydney Airport and Port Botany via the St Peters interchange (under construction by the new M5 project).

It is being delivered through a serious of projects in three stages over 10 years.

  • Stage 1: M4 Widening (Parramatta to Homebush)
  • Stage 1: M4 East (Homebush to Haberfield)
  • Stage 2: New M5 (Beverly Hills to St Peters)
  • Stage 2: New M5 King Georges Road interchange upgrade
  • Stage 3: M4-M5 Link (Haberfield to St Peters)

The WestConnex M4-M5 link is the third stage of the project. It will connect the M4 east at Haberfield to the new M5 in St Peters, and provide connections to the Iron Cove Bridge and Rozelle interchange.

Stage 3 of the WestConnex project has been approved by the NSW Government and will complete Australia's largest road project. For more information, read the Ministerial media release, Final Stage of WestConnex link approved, 27 April 2018. 

Agency comments on the Submissions and Preferred Infrastructure Report (SPIR) are now available on our major projects website

Westconnex artist impression 850x363 Artist impression of Westconnex

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Page last updated: 18/07/2022