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Sc30804293 19112915140 r WHAKATANE DISTRICT COUNCIL/ TRANSIT NEW ZEALAND ..., WHAKATANE TRANSPORTATION STUDY STATE HIGHWAY 2 ALTERNATIVE ROUTES SCOPING STUDY REPORT ..., .., , .,,,,z;, l 'NEW ZEALAND ARARAU AOTEAROA l DRAFT WHAKAT ANE DISTRICT COUNCIL/ TRANSIT NEW ZEALAND ,..., WHAKATANE TRANSPORTATION STUDY STATE HIGHWAY 2 ALTERNATIVE ROUTES SCOPING - STUDY REPORT ...., Approved for Issue: _____________ Date: ------- Jim McGuire Regional Transportarion Mtmager Transit New Zealand: Tauranga Approved for Issue: _____________ Date: _______ Haydn Read Director of Works and Senrices Whakatane District Council Status of Report: Draft No.3 ___________.Date: 151 December 2007 .., 1 I ,.., EXECUTIVE SUMMARY This report forms part of the Whakatane Transportation Study for Whakatane District Council (WDC) and Transit New Zealand (Trans1t). It identifies potential long term alternative State Highway 2 corridors to improve route security and efficiency between Matata and the State Highway 2/Wainui Road intersection. The site area is shown in Drawing 134960-P101. This is a seeping study only, and identifies preliminarily routes which could potentially be investigated in future. I) The existing State Highway 2 route from Matata to the State Highway Two/Wainui Road intersection deviates significantly from a direct route, resulting in inefficiencies, and as a result use of local roads by state highway traffic. II) In addition, the existing state highway route has route security Issues arising from flooding and the stability of key bridges. Bridge insecurity resulting from scour, overturning, and seismic failure are considered to be significant risks for the Ontrack owned State Highway 2 crossing of the Whakatane River (Pekatahi Bridge). The only alternative crossing of the Whakatane River Is on State Highway 30 (Landing Road Bridge). Ill) While not directly related to the State Highway 2 route, commuter traffic on State Highway 30 and local adjoining roads is significant, and any relocation of State Highway 2 should take this into consideration. IV) Eight alternative State Highway 2 corridors have been identified and assessed, and of the eight, two are considered to have potential for further investigation. These corridors: Include a new state highway Whakatane River crossing to the south of the existing township (Blacks Farm) area. A new bridge crossing Is seen as desirable if route security and possible Isolation of Whakatane are seen as strategic objectives; Can be built in stages: - Address directly or indirectly both the current transportation issues on State Highways 2 and 30 to a greater or lesser degree - Impact on land ownership and land use. The options which are considered to have potential for further investigation are EJB and G/B. While these corridors are likely to have low Benefit/Cost ratios, there may be long term strategic, sustainability and community warrants for an alternative route which, with staged construction over a 20 to 30+ year timeframe, could potentially result In Improved absolute Benefits/Cost ratios . ...., ..... DRAFT 1 TABLE ,OF CONTENTS Page 1.0 INTRODUCTION .................................................................................................................................................. 1 1.1 Background ......................................................................................................................................................... I 2.0 EXISTING ROUTE ISSUES ................................................................................................................................. I 2. t Route Length ...................................................................................................................................................... 2 2.2 Route Security .................................................................................................................................................... 2 2.3 State Highway Route Security ...................................................................................................................... _. ... 4 2.4 SWll.II18.1)' of Existing Route Issues ..................................................................................................................... 4 3.0 TRANSPORT DE..\iANDS .................................................................................................................................... 4 3.1 State Highway Traffic Demands ........................................................................................................................ 4 3.2 Urban Tram~ Demands ...................................................................................................................................... 5 3.3 Traffic Volume Growth ...................................................................................................................................... 7 3.4 Heavy Comn1ercial Vehicles tHCV's) ............................................................................................................... 7 3.5 Changes in Land Use .......................................................................................................................................... 8 3.6 Travel Demands Summary ................................................................................................................................. 8 4.0 ALTERNATIVE TRANSPORT SOLUTIONS ..................................................................................................... 8 4.1 Rail ..................................................................................................................................................................... S 4.2 Barge .................................................................................................................................................................. 9 4.3 Public Transport ................................................................................................................................................. 9 4.4 \Val.King and Cycling ......................................................................................................................................... 9 4.5 Alternative Transport Summary ......................................................................................................................... 9 5.0 CORRIDOR CONSTRAINTS ............................................................................................................................. 10 5.1 Topography ....................................................................................................................................................... IO 5.2 Geology ............................................................................................................................................................ 10 5.3 Earthwork And Stonnwater .............................................................................................................................. II 5.4 Cli.Jnate Change ................................................................................................................................................ 12 5.5 Flooding ............................................................................................................................................................ I2 5.6 Bridge Location ................................................................................................................................................ 12 5. 7 Native flora And Fauna ................................................................................................................................... 12 5.8 Historical Sites .................................................................................................................................................. 12 5.9 Social factors ................................................................................................................................................... 13 5.10 Pedestrians And Cyclists .................................................................................................................................. 13 5.1 l Staging .............................................................................................................................................................. 13 5.12 Corridor Constraints Summary ......................................................................................................................... 13 5.13 Elimination of Options ..................................................................................................................................... 13 6.0 OPTION DESCRIPTION ..................................................................................................................................... 14 6.1 Corridor0ptions ............................................................................................................................................... l4 6.2 E.xisting Alig:nn1ent ........................................................................................................................................... 14 6.3 Corridor A ........................................................................................................................................................ 15 6.4 Corridor B ......................................................................................................................................................... 16 6.5 Corridor C........................................................................................................................................................
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