Project Proponent Main Roads WA Proposal description The proposal is to construct and operate a freeway-standard dual carriageway between the Reid Highway/Tonkin Highway junction and the Great Northern Highway at Muchea. Proposal Content Document Proposal Content Document - July 2025.pdf (PDF, 751.78 KB) Assessment Number 1994 Region Perth Referred under EP Act s38 Industry sector Infrastructure Last updated June 06, 2017 Related EPA Media Statement EPA recommends approval for new section of the Perth Darwin Highway: Report 1569 Current Status Ministerial Statement published 1. Referral Comment on this referral Perth Darwin National Highway (Swan Valley Section) Referral documentation Referral Document - Perth Darwin National Highway (Swan Valley Section) (PDF, 308.2 KB) Attachment 1 Figures.pdf (PDF, 2.86 MB) Attachment 2A EIA and EMP.pdf (PDF, 24.87 MB) Additional documentation Attachment 1 Figures.pdf (PDF, 2.86 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Public Environmental Review Extract of determination Chairman's Determination - Perth Darwin National Highway (Swan Valley Section) (PDF, 238.6 KB) Preliminary Environmental Factors Social Surroundings Flora and Vegetation Terrestrial Fauna Hydrological Processes Inland Waters Environmental Quality Date published Monday, 6 January, 2014 3. Assessment Scoping Environmental scoping document Environmental Scoping Document - Perth Darwin National Highway (Swan Valley Section) (PDF, 1.23 MB) Approved Monday, 31 March, 2014 Environmental Review Make a submission Public Environmental Review - Perth–Darwin National Highway (Swan Valley Sectio… Environmental Review documentation PER - Final Version 4 - Submission from Main Roads 4 September 2015 (PDF, 44.26 MB) Proponent response to submissions Response to Submissions - Perth Darwin National Highway (Swan Valley Section) (PDF, 33.4 MB) Appendix A (PDF, 5.42 MB) Appendix F- H (PDF, 4.64 MB) Appendix I - Part 1 (PDF, 4.22 MB) Appendix I - Part 2 (PDF, 2.02 MB) Appendix I - Part 3 (PDF, 4.74 MB) Appendix M (PDF, 1.18 MB) 4. EPA Report on assessment EPA Report Number 1569 EPA Report Report 1569 - Perth Darwin National Highway (Swan Valley Section) (PDF, 7.27 MB) Key Environmental Factors Social Surroundings Flora and Vegetation Terrestrial Fauna Hydrological Processes Inland Waters Environmental Quality Date published Monday, 4 July, 2016 Appeals close Monday, 18 July, 2016 5. Decision on proposal and implementation of proposal Ministerial Statement Date of approval Friday, 23 September, 2016 Ministerial Statement Ministerial Statement 1036.pdf (PDF, 2.1 MB) Post-assessment changes Attachments s45C Notice and Summary of Reasons.pdf (PDF, 197.5 KB) Contemporisation of MS 1036 and MS 1116 Table.pdf (PDF, 163.77 KB) MS 1036 - Deleted and Replaced.pdf (PDF, 4.57 MB) MS 1116 - Deleted and Replaced.pdf (PDF, 362.45 KB) Date of approval s. 45C Thursday, 28 August, 2025
