ProjectProponent: Main Roads WAProposal 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.pdfAssessment Number: 1994Region: PerthReferred under EP Act: s38Industry sector: InfrastructureLast updated: June 6, 2017Related EPA Media Statement: EPA recommends approval for new section of the Perth Darwin Highway: Report 1569Current Status: Ministerial Statement published 1. ReferralComment on this referral: Perth Darwin National Highway (Swan Valley Section)Comment period: Friday, 11 November, 2016 to Thursday, 17 November, 2016Referral documentation: Referral Document - Perth Darwin National Highway (Swan Valley Section) Attachment 1 Figures.pdf Attachment 2A EIA and EMP.pdfAdditional documentation: Attachment 1 Figures.pdf 2. Decision on whether to assess this proposalChair's Determination: Assess - Public Environmental ReviewExtract of determination: Chairman's Determination - Perth Darwin National Highway (Swan Valley Section)Preliminary Environmental Factors: Social SurroundingsFlora and VegetationTerrestrial FaunaHydrological ProcessesInland Waters Environmental QualityDate published: Monday, 6 January, 2014 3. AssessmentScopingEnvironmental scoping document: Environmental Scoping Document - Perth Darwin National Highway (Swan Valley Section) Approved: Monday, 31 March, 2014 Environmental ReviewPublic submissions: Monday, 7 September, 2015 to Tuesday, 6 October, 2015Make a submission: Public Environmental Review - Perth–Darwin National Highway (Swan Valley Section)Environmental Review documentation: PER - Final Version 4 - Submission from Main Roads 4 September 2015Proponent response to submissions: Response to Submissions - Perth Darwin National Highway (Swan Valley Section) Appendix A Appendix F- H Appendix I - Part 1 Appendix I - Part 2 Appendix I - Part 3 Appendix M 4. EPA Report on assessmentEPA Report Number: 1569EPA Report: Report 1569 - Perth Darwin National Highway (Swan Valley Section)Key Environmental Factors: Social SurroundingsFlora and VegetationTerrestrial FaunaHydrological ProcessesInland Waters Environmental QualityDate published: Monday, 4 July, 2016Appeals close: Monday, 18 July, 2016 5. Decision on proposal and implementation of proposalMinisterial StatementDate of approval: Friday, 23 September, 2016Ministerial Statement: Ministerial Statement 1036.pdf Post-assessment changesAttachments: s45C Notice and Summary of Reasons.pdf Contemporisation of MS 1036 and MS 1116 Table.pdf MS 1036 - Deleted and Replaced.pdf MS 1116 - Deleted and Replaced.pdfDate of approval s. 45C: Thursday, 28 August, 2025
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