THE O-BAHN CITY ACCESS PROJECT Project Impact Report File no : 9641541 Date: August 2015 The O-Bahn City Access Project – Project Impact Report Contents 1 Executive Summary ................................................................................................................ 1 SECTION A Project Overview, Planning, and Development ............................................................. 6 2 What is the O-Bahn City Access Project? ............................................................................... 7 3 Community and Stakeholder Engagement ........................................................................... 21 4 State Strategic Policy Context ............................................................................................... 29 5 Strategic Rationale and Outcomes for the Project ................................................................ 41 SECTION B Transport Demand, Traffic Access and Parking ......................................................... 52 6 Traffic: Existing Conditions .................................................................................................... 53 7 Traffic: Future Conditions ...................................................................................................... 77 8 Parking: Existing Conditions ............................................................................................... 116 9 Parking: Impacts and Mitigation Options ............................................................................ 139 10 Cycling and Walking ............................................................................................................ 145 11 Cycling and Walking: Mitigation and Improvement Strategies ............................................ 153 SECTION C Urban Design, Park Lands and Social and Environmental Impacts ....................... 160 12 Urban Design and Landscape Opportunities ...................................................................... 161 13 Employment and Industry/Workplace Participation ............................................................ 166 14 Economic evaluation ........................................................................................................... 168 15 Community and Business Project Impacts ......................................................................... 169 16 Heritage ............................................................................................................................... 186 17 Flora and Fauna .................................................................................................................. 192 18 Ground and Surface Water ................................................................................................. 195 19 Geology, Soils and Site Contamination ............................................................................... 197 20 Noise and Vibration ............................................................................................................. 198 21 Air Quality ............................................................................................................................ 199 22 Greenhouse and Sustainability ........................................................................................... 201 SECTION D Construction and Staging, Concept Design Guidelines .......................................... 203 23 Concept Design Guidelines ................................................................................................. 204 24 Construction staging and design ......................................................................................... 208 25 Project Impact Report Conclusion....................................................................................... 214 SECTION E Appendices ................................................................................................................... 215 26 Key Stakeholder Interaction ................................................................................................ 216 27 O-Bahn Historical Context ................................................................................................... 218 28 Community and Business Profile: Additional Information ................................................... 220 29 Business profile and the City economy ............................................................................... 239 30 Traffic and Passenger Demand: Additional Details ............................................................. 251 31 Urban Development and Planning ...................................................................................... 270 32 References .......................................................................................................................... 275 KNet#: 9641541 Page i The O-Bahn City Access Project – Project Impact Report List of Figures Figure 1: Existing O-Bahn Bus Service routes ........................................................................................ 9 Figure 2: Overview of the key features of the project O-Bahn City Access Project .............................. 15 Figure 3: Overview of the key features of the project O-Bahn City Access Project: Bundeys Road to Botanic Road (indicating priority lanes, u-Turn facility and changed parking conditions) ..................... 16 Figure 4: Hackney Bridge and Hackney Road: Concept Design Cross Section .................................. 17 Figure 5: Hackney Road: Concept Design Cross Section .................................................................... 18 Figure 6: Bus Only Tunnel emerging from Rymill Park and Rundle Road: Cross Sections ................. 19 Figure 7: State strategic policy context ................................................................................................. 29 Figure 8: 30-Year Plan for Greater Adelaide: Major transit corridors and structure planning priorities, including the O-Bahn corridor. .............................................................................................................. 31 Figure 9: ITLUP Public Transport corridors* ......................................................................................... 34 Figure 10: 2038 Mode split objectives of the Smart Move Strategy ..................................................... 36 Figure 11: Components That Make up Timetable Travel Time ‘Time Points’ ........................................ 42 Figure 12: Figure showing the daily passenger boarding increase to achieve the public transport target and modelled before and after project results ............................................................................ 45 Figure 13: Cars, buses, and passengers .............................................................................................. 46 Figure 14: Analysis of cars and buses and how many people they moved on Currie / Grenfell Street near King William Street prior to the introduction of bus lanes. ............................................................ 47 Figure 15: Previous Rundle Road Tunnel option, announced in February 2014 .................................. 49 Figure 16: Map of the O-Bahn user catchment area for the purposes of this profile ............................ 55 Figure 17: Current access conditions on Hackney Road including all turns ......................................... 58 Figure 18: Hackney Road Bundeys Road Intersection - Turning Counts ............................................. 60 Figure 19: Hackney Road Richmond Street Junction - Turning Counts and Crash Data ..................... 61 Figure 20: Richmond Street Junction – Easbound Traffic Splits ........................................................... 63 Figure 21: Richmond Street Junction – Westbound Traffic Splits ......................................................... 63 Figure 22: Hackney Road Botanic Drive/Cambridge Street intersection - Turning Counts and Crash Data ....................................................................................................................................................... 64 Figure 23: Hackney Road Wyandra Lane Junction - Turning Counts and Crash Data ........................ 65 Figure 24: Hackney Road Plane Tree Drive/Athelney Avenue intersection - Turning Counts and Crash Data ....................................................................................................................................................... 66 Figure 25: Hackney Road/Botanic Street/Goodman building parking main entrance intersection - Turning Counts and Crash Data ........................................................................................................... 67 Figure 26: Hackney Road Westbury Street Junction - Turning Counts and Crash Data ...................... 68 Figure 27: Existing turning volumes - North Terrace and Osborne Street ............................................ 69 Figure 28: Hackney Road/Dequetteville Terrace intersection with Botanic Road/North Terrace .......... 70 Figure 29: Existing turning volumes - Dequetteville Terrace and King William Street, Kent Town ....... 72 Figure 30: Dequetteville Terrace – Rundle Road/Rundle Street – Turning counts ............................... 73 Figure 31: Existing and post O-Bahn City Access Project turning movements for all modes (including buses) AM Peak .................................................................................................................................... 80 Figure 32: Existing and post O-Bahn