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New M5

(Beverly Hills to St Peters)

Duplicating the M5 East from King Georges Road Interchange Upgrade at Beverly Hills to a new interchange at St Peters. 
The New M5 will provide twin underground motorway tunnels, nine kilometres long, from Kingsgrove to a new St Peters Interchange at the site of the old Alexandria landfill facility. The St Peters Interchange will provide motorists with connections to Alexandria and Mascot. It also includes  connections to the future Sydney Gateway and M4-M5 Link. The New M5 tunnels also include underground connection points for the M4-M5 Link and the proposed Southern Connector.  
Local streets and intersections around the St Peters interchange are also being upgraded to ensure safe and efficient connections for the New M5.

Environment and planningThe New M5 received NSW planning approval in April 2016. The project had the potential to impact on some species listed under the Commonwealth Environmental Protection and Biodiversity (EPBC) Act 1999. This meant it needed approval from the Australian Government Minister for the Environment, in addition to environmental and planning approvals required under State legislation. Australian Government approval was given on Monday 11 July 2016 and work started later that month.

Project history

  • April 2017: Heritage Salvage Catalogue published. The community has until 5 June to register interest.
  • April 2017: Urban Design and Landscape Plan exhibition.
  • February 2017: Tunnelling started at the Arncliffe and Bexley construction sites.
  • November 2016: Tunnelling started at the site of the St Peters Interchange.
  • July 2016: The New M5 project received approval from the Commonwealth Department of the Environment under the Environment Protection and Biodiversity Conservation (EPBC) Act 1999.
  • April 2016: Planning approval for the New M5 project was received from the NSW Minister for Planning.
  • March 2016: A Submissions and Preferred Infrastructure Report was prepared in response to submissions received during the EIS exhibition period and lodged with the Department of Planning and Environment.
  • November 2015 to January 2016: The New M5 Environmental Impact Statement (EIS) was exhibited for public comment.
  • September 2015: The CPB Contractors, Dragados, Samsung Joint Venture was selected as the preferred tenderer for the New M5.
  • November 2014: The planning application for the New M5 was lodged.
  • November 2014: A shortlist of consortia to construct the New M5 was announced, with a request for tender issued shortly after.
  • September 2014: Expressions of interest for contractors to design and construct the New M5 were called.

Project stats

Project value^: $4.335 billion^
Current status : In construction 
Construction start: July 2016
Open to traffic: Early 2020
Current traffic projections*: 37,200 in 2031

* Based on WestConnex Road Traffic Model V2.1, WestConnex Updated Strategic Business Case, November 2015
^ WestConnex Updated Strategic Business Case, November 2015
^^ Awarded through the design and construct contract

Industry partners

    Design and construct contract: CPB Contractors, Dragados and Samsung Joint Venture 
    Operations and maintenance contract: During operations: fulton Hogan and Egis Joint Venture
    Tolling contracts^^: Roadside tolling equipment: Kapsch TrafficCom Australia,
    Back-office services and systems: Roads and Maritime Services

What's happening now

Local updates

To learn about work in an area or for a project, you can access a range of documents including work notifications, management plans, compliance tracking reports, maps and permits.

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FAQs See all

Traffic modelling tells us the expected demand for WestConnex and the number of traffic lanes needed. The motorway has been designed to meet traffic demand now and in the future.

The number of lanes varies across the project: 

  • M4: we are widening the M4 Motorway from three lanes in each direction to four lanes in each direction between Parramatta and Homebush. The new M4 East tunnels between Homebush and Haberfield will be three lanes in each direction.
  • New M5: when the tunnels open, there will generally be two lanes in each direction between Kingsgrove and St Peters. The tunnels can accommodate three lanes in each direction in future, with additional approvals needed for this change.
  • M4–M5 Link: The M4-M5 Link will provide twin underground tunnels with four lanes in each direction between Haberfield and St Peters.

New and significantly improved sections of motorway delivered as part of WestConnex will be tolled as they progressively open to traffic between mid-2017 and 2023. Visit the tolls page for more information.

The first major part of WestConnex is the New M4 between Parramatta and Homebush which will provide motorists with better access ramps, new smoother road surfaces and extra lanes in each direction. This section represents 16 percent of the M4 Motorway meaning the more than 80 percent between Emu Plains and Parramatta will remain free.

There will be a one-month toll free period on the WestConnex New M4 after it opens to traffic in mid-2017 to help motorists adjust to the new and upgraded motorway

We are building a New M5 which will help almost halve average travel times on the current M5 East and double average travel speeds during peak times. We are also upgrading the M5 East and a toll will be introduced on this motorway to account for the massive improvements in travel time and reliability motorists will experience once the WestConnex New M5 is opened. 

To maintain access to Sydney Airport’s International Terminal, trips using Marsh Street ramps will remain toll free.

Sydney Motorway Corporation's (SMC) Community Connections Program includes the SMC Community Grant Scheme, which provides grants of up to $10,000 to local groups such as such as schools, sporting associations and social enterprises located in and around the WestConnex project area.

Grant applications are assessed against guidelines, which consider areas including community legacy, connecting communities, building capacity and helping people.