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Ngauranga Triangle strategy study.

Ngauranga Triangle Strategy Study

Published: 01 2010

A joint study between the NZTA, Wellington City Council and Hutt City Council that outlines an integrated long term strategy for the Ngauranga Triangle. The Ngauranga Triangle consists of SH1 between Tawa and Ngauranga, SH2 between Ngauranga and Petone and possible link between Petone and Tawa/Grenada.

The Study was completed in stages. An extensive list of transportation measures for the Ngauranga Triangle was developed in the first instance, which was narrowed down to a short list. The short list options were then evaluated, culminating in recommendations that are contained in the Ngauranga Triangle Technical Report.

The Summary of the Technical Report provides an overview of the processes followed by the Study and its recommendations. More detail on each of the stages can be found in the Ngauranga Triangle Technical Report, the Short Options Report and the Long List Assessment Report.

Ngauranga Triangle technical report - index

Download Report Section

Ngauranga Triangle Technical Report Date
Technical report summary
(PDF 36 pages | 2.35 MB)
Jan 2010
Ngauranga Triangle Technical Report
(PDF 172 pages | 313 KB)
Jan 2010
Appendix A - Wellington and Hutt City Council provisions
(PDF 12 pages | 73 KB)		 Jan 2010
Appendix B - Urban design framework
(PDF 28 pages | 3.58 MB)
Jan 2010
Appendix C - Consenting methodology
(PDF 3 pages | 15 KB)		 Jan 2010
Appendix D - Map of the long list options
(PDF 2 pages | 436 KB)
Jan 2010
Appendix E - Map of the short list options
(PDF 2 pages | 793 KB)		 Jan 2010
Appendix F - Potential Petone-Grenada Link Road - long section and route alignment
(PDF 10 pages | 2.14 MB)
Jan 2010
Appendix G - Traffic modelling
(PDF 43 pages | 2.57 MB)		 Jan 2010
Appendix H - Petone-Grenada Link Road: preliminary visual impact assessment
(PDF 21 pages | 954 KB)
Jan 2010
Appendix I - Cross Valley Link: cross section and route alignment
(PDF 7 pages | 14.88 MB)		 Jan 2010
Short Options Report Date
Short Options Report
(PDF 126 pages | 2.65 MB)
Jan 2010
Appendix A - Consenting metholodology and ranking
(PDF 3 pages | 41 KB)		 Jan 2010
Appendix B - Long sections and cross sections
(PDF 20 pages | 3.67 MB)
Jan 2010
Appendix C - SH2 accident data
(PDF 4 pages | 68 KB)		 Jan 2010
Appendix D - Traffic modelling assessment
(PDF 49 pages | 1.49 MB)
Jan 2010
Appendix E - Visual impact of the Petone-Granada Link Road
(PDF 21 pages | 979 KB)
Jan 2010
Appendix F - Geotechnical risks for valley floor
(PDF 10 pages | 241 KB)		 Jan 2010
Long List Assessment Report Date
Long List Assessment Report
(PDF 52 pages | 2.86 MB)
Jan 2010
Appendix
(PDF 77 pages | 693 KB)		 Jan 2010

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