DC Traffic Engineering Pty Ltd Appendix V | Traffic and Transport Impact Assessment DRAYTON SOUTH COAL PROJECT TRAFFIC AND TRANSPORT IMPACT ASSESSMENT Prepared by: DC TRAFFIC ENGINEERING PTY LTD 8 August 2012 Drayton South Coal Project HANSEN BAILEY Environmental Impact Statement AppendixDrayton V | Traffic South and Transport Coal Project Impact Assessment DC Traffic Engineering Pty Ltd Traffic and Transport Impact Assessment 8/8/2012 for Hansen Bailey Environmental Consultants Page i TABLE OF CONTENTS EXECUTIVE SUMMARY ...................................................................................................... 1 1 INTRODUCTION ........................................................................................................... 5 1.1 PROJECT DESCRIPTION ......................................................................................................... 5 1.2 RELATED STUDIES .................................................................................................................. 7 2 EXISTING CONDITIONS ............................................................................................. 10 2.1 EXISTING ROAD NETWORK .................................................................................................. 10 2.1.1 New England Highway ................................................................................... 10 2.1.2 Denman Road ................................................................................................ 11 2.1.3 Golden Highway ............................................................................................ 12 2.1.4 Thomas Mitchell Drive ................................................................................... 13 2.1.5 Edderton Road ............................................................................................... 14 2.1.6 Drayton Mine Access Road ............................................................................ 15 2.2 KEY INTERSECTIONS ............................................................................................................ 16 2.2.1 New England Highway/ Thomas Mitchell Drive .............................................. 16 2.2.2 Denman Road/ Thomas Mitchell Drive ........................................................... 17 2.2.3 Thomas Mitchell Drive/ Drayton Mine Access Road ....................................... 19 2.3 EXISTING TRAFFIC CONDITIONS ......................................................................................... 19 2.3.1 RMS traffic surveys ........................................................................................ 19 2.3.2 Other traffic surveys ....................................................................................... 21 2.4 EXISTING RAIL NETWORK CONDITIONS ............................................................................ 27 2.4.1 Rail network and fleet conditions and constraints ........................................... 28 2.4.2 Operations conditions and constraints ........................................................... 28 3 TRAFFIC GENERATION ............................................................................................. 31 3.1 TRAFFIC GENERATION DURING THE CONSTRUCTION PHASE ...................................... 31 3.1.1 Traffic generated by construction personnel .................................................. 31 3.1.2 Heavy vehicle construction traffic ................................................................... 34 3.2 TRAFFIC GENERATION DURING THE OPERATION PHASE .............................................. 34 3.3 TRAFFIC GENERATION FROM NEIGHBOURING MINES AND PROJECTS ....................... 34 3.3.1 Mangoola ....................................................................................................... 34 3.3.2 Mount Pleasant .............................................................................................. 35 3.3.3 Mt Arthur Coal ................................................................................................ 36 3.3.4 Bengalla ......................................................................................................... 37 4 ROAD TRAFFIC IMPACTS ......................................................................................... 38 4.1 CONSTRUCTION TRAFFIC VOLUME BUILD UP .................................................................. 38 4.2 OPERATION TRAFFIC VOLUME BUILD UP .......................................................................... 43 4.3 INTERSECTION PERFORMANCE ASSESSMENT AND IMPROVEMENT MEASURES ...... 47 4.3.1 Intersection performance assessment ........................................................... 47 4.3.2 Assessment of proposed intersection improvement measures ....................... 51 Ref: Drayton South Traffic and Transport Impact Assessment Drayton South Coal Project V-i Environmental Impact Statement HANSEN BAILEY Drayton South Coal Project DCDrayton Traffic SouthEngineering Coal PtyProject Ltd Appendix V | Traffic and Transport Impact Assessment Traffic and Transport Impact Assessment 8/8/2012 Traffic and Transport Impact Assessment 8/8/2012 for Hansen Bailey Environmental Consultants Page i for Hansen Bailey Environmental Consultants Page ii TABLE OF CONTENTS 4.4 MIDBLOCK TRAFFIC VOLUMES ON THOMAS MITCHELL DRIVE ...................................... 53 EXECUTIVE SUMMARY ...................................................................................................... 1 5 ROAD SAFETY ........................................................................................................... 56 5.1 THOMAS MITCHELL DRIVE ................................................................................................... 56 1 INTRODUCTION ........................................................................................................... 5 5.1.1 Existing conditions ......................................................................................... 56 1.1 PROJECT DESCRIPTION ......................................................................................................... 5 5.1.2 Safety risks during the construction phase ..................................................... 59 1.2 RELATED STUDIES .................................................................................................................. 7 5.1.3 Impacts during operations phase ................................................................... 59 5.2 EDDERTON ROAD .................................................................................................................. 59 5.3 ROAD TRAFFIC MITIGATION AND MANAGEMENT MEASURES ........................................ 64 2 EXISTING CONDITIONS ............................................................................................. 10 5.3.1 Thomas Mitchell Drive ................................................................................... 64 2.1 EXISTING ROAD NETWORK .................................................................................................. 10 5.3.2 Proposed Edderton Road realignment ........................................................... 64 2.1.1 New England Highway ................................................................................... 10 5.3.3 Adequacy of the proposed new Golden Highway/ Edderton Road intersection .. 2.1.2 Denman Road ................................................................................................ 11 ...................................................................................................................... 66 2.1.3 Golden Highway ............................................................................................ 12 5.3.4 Traffic access and thoroughfare during construction ...................................... 69 2.1.4 Thomas Mitchell Drive ................................................................................... 13 5.3.5 Travel times ................................................................................................... 70 2.1.5 Edderton Road ............................................................................................... 14 2.1.6 Drayton Mine Access Road ............................................................................ 15 2.2 KEY INTERSECTIONS ............................................................................................................ 16 6 RAIL NETWORK IMPACTS ........................................................................................ 71 2.2.1 New England Highway/ Thomas Mitchell Drive .............................................. 16 6.1 DRAYTON SOUTH .................................................................................................................. 71 2.2.2 Denman Road/ Thomas Mitchell Drive ........................................................... 17 6.2 MT ARTHUR COAL ................................................................................................................. 73 6.3 WIDER NETWORK IMPACTS ................................................................................................. 73 2.2.3 Thomas Mitchell Drive/ Drayton Mine Access Road ....................................... 19 6.4 RAIL NETWORK MANAGEMENT MEASURES ...................................................................... 73 2.3 EXISTING TRAFFIC CONDITIONS ......................................................................................... 19 2.3.1 RMS traffic surveys .......................................................................................