Mamre Road upgrade between the M4 Motorway, St Clair and Erskine Park Road, Erskine Park

From 1 to 30 September 2025, we will work night shifts between 6pm and 7am to install utilities and carry out road widening work. For more information, please view our September notification (PDF, 448.5 KB).

For more information view our August notification (PDF, 4.9 MB).

From 1 to 30 August 2025, we will work night shifts between 6pm and 7am to install utilities and stormwater drainage. For more information, please view our August notification (PDF, 448.5 KB).

From Monday 14 July, we will start work to upgrade the intersection at Mandalong Close, for a left in left out traffic arrangement from Mamre Road.

For more information, please view our July notification (PDF, 507.2 KB).

Mamre Road is an important transport corridor in Western Sydney and is a key connector to the Western Sydney Employment Area and Western Sydney Airport Precinct. The current upgrade of Mamre Road between M4 Motorway St Clair and Erskine Park Road will meet future needs of road users and cater for growth in the area. 

Planning is underway for Stage 2 of the Mamre Road upgrade. For more information, please visit Mamre Road upgrade between Erskine Park Road, Erskine Park and Kerrs Road, Kemps Creek.

Construction is currently underway and is expected to finish in 2028.

The key benefits to the community include:

• improving road capacity to cater for growth in the area
• managing congestion and delays along Mamre Road during peak periods
• improving travel times
• improving road safety for all users
• improving active transport.

Key features for the Mamre Road upgrade between the M4 Motorway and Erskine Park Road include: 

• widening the road to four lanes with a central median, allowing for six lanes in future if required
• improving six intersections on Mamre Road
• building a new shared path along the eastern side of Mamre Road
• reinstating bus stops near Banks Drive with the capacity for additional bus infrastructure in the future
• improving access for Mamre House and Erskine Park Rural Fire Service
• upgrading drainage to better withstand flooding events
• installing permanent noise walls along the eastern side of Mamre Road at St Clair.
   

• August 2025 community update (PDF, 4.9 MB)
  Mamre Road upgrade community update
• December 2024 community update (PDF, 11.34 MB)
  Mamre Road upgrade community update
• December 2024 community notification (PDF, 170.48 KB)
  Night work continues on Monday 16 and Tuesday 17 December 2024.
• July 2022 community update
  Release of Submissions report and detailed design progressing.
• August 2021 community update
  Mamre Road Upgrade.
• March 2020 community update
  Mamre Road Upgrade.
• November 2017 community update
  Mamre Road upgrade - M4 Motorway to Kerrs Road.
• May 2017 community update
  Mamre Road Upgrade.

• September 2025 community notification (PDF, 477.04 KB)
  Night work and traffic changes during September 2025
• August 2025 community notification (PDF, 448.5 KB)
  Night work and traffic changes throughout August 2025
• July 2025 community notification (PDF, 507.2 KB)
  Rescheduled night work and traffic changes on Mandalong Close from Monday 14 July 2025.
• June 2025 community notification (PDF, 429.8 KB)
  Temporary traffic changes for night work from Tuesday 15 July until Thursday 31 July.
• June 2025 community notification (PDF, 438.73 KB)
  There will be traffic changes at Erskine Park Road from Thursday 19 June 2025.
• June 2025 community notification (PDF, 410.73 KB)
  There will be traffic changes on Luddenham Road from Friday 20 June 2025.
• June night work notification (PDF, 425.71 KB) 
  Night work continues from Monday 2 June 2025.
• April 2025 Telstra utility relocation notification (PDF, 302.85 KB)
  From Monday 28 April, we will start work to relocate telecommunication cables located underground along Solander Drive, St Clair.
• April 2025 community notification (PDF, 461.25 KB)
  Night work continues from Thursday 1 May.
• April 2025 community notification (PDF, 616.17 KB)
  Night work continues from Tuesday 1 April.
• March 2025 community notification (PDF, 650.06 KB) 
  Night work continues from Monday 3 March.
• February 2025 Ludenham Road closure notification (PDF, 267.71 KB)
  Luddenham Road will be closed for night work on Wednesday 19, Thursday 20 and Friday 21 February 2025.
• February 2025 community notification (PDF, 594.06 KB)
  Night work continues on Mamre Road from Monday 3 February 2025.

• December 2024 community notification (PDF, 335.65 KB)
  Night work along Mamre Road from Tuesday 7 January 2025.
• December 2024 community notification (PDF, 179.29 KB)
  Night work along Mamre Road from Thursday 5 December.
• October 2024 community notification (PDF, 629.07 KB)
  Start of construction letter.
• August 2024 early work notification (PDF, 365.51 KB)
  Site compound set up and preparation of other areas along Mamre Road to start from Monday 9 September 2024.
• June 2023 community notification (PDF, 498.35 KB)
  Investigation work will continue on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Wednesday 5 July.
• October 2022 community notification
  Investigation work continues at night on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Tuesday 1 November.
• July 2022 community notification
  Investigation work continues on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Sunday 31 July.
• May 2022 community notification
  Continuing investigation work on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Wednesday 1 June.
• March 2022 community notification
  Continuing investigation work on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Monday 4 April.
• February 2022 community notification
  Continuing work on Mamre Road between the M4 Motorway, St Clair and James Erskine Drive, Erskine Park from Monday 7 February.
• November 2020 community notification
  Mamre Road notification investigation work.
• December 2019 community notification
  Mamre Road notification investigation work.

• Addendum Review of Environmental Factors report - April 2024 (PDF, 12.74 MB)
• Decision Statement - Addendum Review of Environmental Factors report (PDF, 336.09 KB)
• Review of Environmental Factors report - August 2021
• Appendix A - Consideration of clause 228(2) factors and matters of national environmental significance and Commonwealth land
• Appendix B - Statutory consultation checklists
• Appendix C - Considerations of the Sydney Regional Environmental Plan No 20 – Hawkesbury-Nepean River (No 2 – 1997)
• Appendix D - Biodiversity Development Assessment Report
• Appendix E - Aboriginal cultural heritage assessment report
• Appendix F - Statement of Heritage Impact
• Appendix G - Traffic and Transport Impact Assessment
• Appendix H - Hydrology and Flooding Assessment
• Appendix I - Water Quality and Soil Impact Assessment
• Appendix J - Noise and Vibration Assessment
• Appendix K - Urban Design and Landscape Character and Visual Impact Assessment
• Appendix L - Air Quality Impact Assessment
• Appendix M - Socio-economic Impact Assessment

• July 2022 submissions report
  Mamre Road upgrade.
• May 2019 community consultation report
  Mamre Road upgrade.
• November 2017 options report
  Mamre Road upgrade - Kerrs Road to M4 Motorway.

• Noise and vibration fact sheet (PDF, 367.39 KB)