Mandalong Road upgrade, Morisset

The community is one step closer to safer and more reliable journeys on Mandalong Road at Morisset, with GHD Pty Ltd being awarded the contract to develop the detailed design for the project.

The detailed design stage includes further geotechnical and survey investigations, development of detailed engineering drawings and reports, and construction specifications for project delivery.

We will continue to engage with key stakeholders through this phase of the project, which is expected to take around 12-18 months.

Transport for NSW has published a Review of Environmental Factors (REF) for the Mandalong Road upgrade which identifies potential environmental and social impacts and proposed mitigation measures. 

The project has now moved into the detailed design phase. Construction is expected to start in 2026, subject to project approvals and release of funding. 

Transport would like to thank the community for their continued interest in the project.

Mandalong Road provides a critical link from the M1 Pacific Motorway to Morisset and the southern part of Lake Macquarie local government area.

During peak periods, motorists experience congestion and slow travel times on Mandalong Road. Significant retail, industrial and commercial growth is planned for Morisset, which will put further pressure on the road network.

Transport for NSW has investigated upgrade options along Mandalong Road between the M1 Pacific Motorway and Ourimbah Street to improve traffic flow and safety for all users, while helping meet the future needs of an increased population and employment in the Morisset area.

Key features of the project include:

• upgrading the Mandalong Road/Freemans Drive/Dora Street/Wyee Road intersection, including:
  • replacing the existing roundabout with new traffic lights
  • providing additional through and turning lanes on all approaches of the intersection
  • providing a central raised median on all approaches of the intersection
• providing active transport connections, including:
  • a shared user path along the length of the proposal on Mandalong Road and Dora Street
  • a shared user path on the eastern side of Wyee Road
  • a footpath on the north-eastern corner of Dora Street and Freemans Drive
• providing two new bus stop facilities on Dora Street.

Following the public display of Transport’s preferred design, Lake Macquarie City Council approved a Development Application conditioning a private developer to complete the Gimberts Road / Gateway Boulevard roundabout upgrades. As such, the Gimberts Road / Gateway Boulevard intersection no longer forms part of Transport’s upgrade project.

The project has now moved into the detailed design phase. Major construction procurement would follow detailed design. 

Subject to project approvals and release of funding, construction is expected to start in 2026.

Transport for NSW will continue to consult with key stakeholders and keep the community informed as the project progresses.

• May 2025 project update - Review of Environmental Factors now published (PDF, 2.24 MB)
  A Review of Environmental Factors (REF) has been prepared and published for the Mandalong Road upgrade to identify potential impacts and proposed mitigation measures
• June 2024 project update - have your say on preferred design (PDF, 2.02 MB) 
  Submissions are invited on the preferred design for the proposed upgrade of Mandalong Road, Morisset
• November 2023 project update (PDF, 792.63 KB)
  Scoping and investigations are currently being carried out to assist with the development of a preferred option.

• April 2025 community notification (PDF, 915.85 KB)
  Survey investigations in Morisset from Monday 28 April
• April 2024 community notification (PDF, 441.33 KB)
  Night work for field investigations along Mandalong Road, Morisset from Wednesday 8 May.
• November 2023 community notification (PDF, 681.57 KB)
  Field investigations along Mandalong Road, Morisset from Monday 13 November.

• May 2025 Frequently asked questions (PDF, 1.32 MB) 

• January 2025 - Consultation summary report (PDF, 2.5 MB)

• Review of Environmental Factors (PDF, 32.85 MB)
  Main report
• Appendix A (PDF, 858.12 KB)
  Consideration of section 171 factors and matters of national environmental significance and Commonwealth land
• Appendix B (PDF, 1.03 MB)
  Statutory consultation checklists
• Appendix C (PDF, 862.3 KB)
  SEPP (Transport and Infrastructure) consultation
• Appendix D (PDF, 15.43 MB)
  Biodiversity Assessment Report
• Appendix E (PDF, 4.61 MB)
  Traffic and Transport Assessment
• Appendix F (PDF, 4.61 MB)
  Noise and Vibration Impact Assessment
• Appendix G (PDF, 80.12 MB)
  Urban Design Concept and Landscape Strategy
• Appendix H (PDF, 14.82 MB)
  Socio economic impact assessment
• Appendix I (PDF, 72.28 MB)
  Preliminary Site Investigation
• Appendix J (PDF, 8.3 MB)
  Air quality impact assessment
• Appendix K (PDF, 4.93 MB)
  Heritage Database Searches

• 25 July 2025 – Detailed design contract awarded for Mandalong Road Upgrade
• 31 January 2025 - Community consultation report on display for Mandalong Road at Morisset