F.28.1 March 2013 NEWQUAY STRATEGIC ROUTE: PHASE 2, 2A AND 3 PLANNING APPLICATION TRANSPORTATION ASSESSMENT Duchy of Cornwall Report Title : Newquay Strategic Route: Phase 2, 2A and 3 Planning Application Transportation Assessment Report Status : Final Job No : 2512585A-HLV Date : March 2013 DOCUMENT HISTORY AND STATUS Document control Checked by Prepared by Chris Hill Rob Hayward (technical) Checked by Approved by Ben Smith-Laing Rob Hayward (quality assurance) Revision details Version Date Comments 15 1.0 February Draft Issue for Comment 2013 06 March 2.0 Amendments following AWP comments 2013 Newquay Strategic Route: Phase 2, 2A and 3 Planning Application Transportation Assessment CONTENTS Page 1 BACKGROUND 8 1.1 INTRODUCTION 8 1.2 STUDY AREA 9 1.3 ENVIRONMENTAL IMPACT ASSESSMENT 10 1.4 SCOPE OF REPORT 10 2 POLICY CONTEXT 11 2.1 BACKGROUND 11 2.2 NATIONAL POLICY CONTEXT 11 2.3 LOCAL POLICY CONTEXT 12 3 EXISTING SITUATION 20 3.1 INTRODUCTION 20 3.2 PEDESTRIANS 20 3.3 CYCLISTS 23 3.4 PUBLIC TRANSPORT 23 3.5 SUSTAINABLE TRANSPORT SUMMARY 24 3.6 TRAFFIC FLOWS 24 3.7 ACCIDENT ANALYSIS 25 3.8 SECTION 1 27 3.9 SECTION 2 29 3.10 SECTION 3 29 3.11 SECTION 4 31 3.12 SECTION 5 31 3.13 SECTION 6 32 4 DESCRIPTION OF ROUTE 34 4.1 PURPOSE OF ROUTE AND OVERALL OBJECTIVES 34 Newquay Strategic Route Phase 2 Transportation Assessment Prepared by Parsons Brinckerhoff March 2013 Page 1 for Duchy of Cornwall 4.2 PEDESTRIAN PROVISION 35 4.3 CYCLE PROVISION 36 4.4 PUBLIC TRANSPORT PROVISION 36 5 MODELLING METHODOLOGY 37 5.1 INTRODUCTION 37 5.2 STRATEGIC SATURN MODELLING 37 5.3 FUTURE DEVELOPMENT 39 5.4 RESIDENTIAL DEVELOPMENTS 40 5.5 NON-RESIDENTIAL DEVELOPMENTS 44 5.6 HIGHWAY MITIGATION MEASURES 46 5.7 TRIP RATES 46 5.8 MODAL SPLIT 47 5.9 TRIP GENERATION 49 5.10 GROWTH 51 5.11 SEASONALITY FACTORS 52 5.12 TRIP DISTRIBUTION 54 6 TRAFFIC IMPACT ASSESSMENT 55 6.1 IMPACT ON SURROUNDING HIGHWAY NETWORK 55 6.2 IMPACT ON STRATEGIC ROAD NETWORK 56 6.3 SEASONAL VARIATION 57 7 JUNCTION IMPACT ASSESSMENTS 58 7.1 INTRODUCTION 58 7.2 PORTH FOUR TURNS 60 7.3 QUINTRELL ROAD / RIALTON ROAD / HENVER ROAD JUNCTION 61 7.4 HENDRA ROUNDABOUT (PROPOSED) 62 7.6 NSR / A3058 QUINTRELL ROAD ROUNDABOUT (PROPOSED) 63 7.7 NSR / A3059 RIALTON ROAD JUNCTION (PROPOSED) 63 7.8 NSR WESTERN ARM / TREVENSON ROAD JUNCTION (PROPOSED) 64 Newquay Strategic Route Transport Assessment Prepared by Parsons Brinckerhoff March 2013 Page 2 for Duchy of Cornwall 7.9 TOWN CENTRE SIGNALS (PROPOSED) 65 7.10 CHURCH STREET / HENVER ROAD PRIORITY JUNCTION 66 7.11 TRELOGGAN ROUNDABOUT 67 7.12 JUNCTION MODELLING SUMMARY 69 8 JOURNEY TIME ANALYSIS 70 9 CONSTRUCTION TRAFFIC 73 10 SUMMARY AND CONCLUSIONS 75 10.1 SUMMARY 75 10.2 CONCLUSIONS 76 Newquay Strategic Route Phase 2 Transportation Assessment Prepared by Parsons Brinckerhoff March 2013 Page 3 for Duchy of Cornwall Figures Figure 1 – Location of the Newquay Growth Area and the NSR ......................................................... 9 Figure 2 – Henver Road .................................................................................................................. 20 Figure 3 – West Road ...................................................................................................................... 21 Figure 4 – West Road ...................................................................................................................... 21 Figure 5 – West Road ...................................................................................................................... 21 Figure 6 – Trevenson Road ............................................................................................................. 22 Figure 7 – Quintrell Road ................................................................................................................. 22 Figure 8 – Quintrell Road ................................................................................................................. 22 Figure 9 – Cornish Way cycle route in relation to Nansledan ............................................................ 23 Figure 10 – 2010 Base Year Traffic Flow around Nansledan ............................................................ 25 Figure 11 - Accident Analysis Study Area (West) ............................................................................. 26 Figure 12 - Accident Analysis Study Area (East) .............................................................................. 26 Figure 13 - Phases 1 and 2 of NSR.................................................................................................. 35 Figure 14 - Original trip. ................................................................................................................... 49 Figure 15 – Trip including a stop at the Food Store. ......................................................................... 50 Figure 16 – Example change in trip matrix for a pass by trip. ............................................................ 50 Figure 17 – Original trip. .................................................................................................................. 50 Figure 18 – New trip, diverting into the new, closer food store. ......................................................... 50 Figure 19 – Example change in trip matrix for diverted trip. .............................................................. 51 Figure 20 – 2030 AM and PM Peak Traffic Flows ............................................................................. 55 Figure 21 - Traffic flows for A392 East Road and the A3058 south-bound ........................................ 56 Figure 22 - Port Four Turns aerial photograph ................................................................................. 60 Figure 23 - Proposed Hendra Roundabout Design Sketch ............................................................... 62 Figure 24 - Indicative Junction Layout – Town Centre Signals .......................................................... 65 Tables Table 3.8-1 – Accident Analysis for Henver Road ............................................................................ 28 Table 3.9-1 – Accident Analysis for Quintrell Road ........................................................................... 29 Table 3.10-1 – Accident Analysis for Section 3................................................................................. 30 Table 3.11-1 – Accident Analysis for Trencreek Road and Trevenson Road ..................................... 31 Table 3.12-1 – Accident Analysis for A392 East Road from Quintrell Downs to White Cross ............. 32 Table 3.13-1 – Accident Analysis for A392 from White Cross to A39 ................................................ 33 Table 5.4-1 – Summary of residential committed development ......................................................... 41 Table 5.4-2 – Summary of Future Residential Development ............................................................. 42 Table 5.4-3 – Summary of Nansledan Residential Development ...................................................... 43 Table 5.4-4 – Overall Summary of Residential Dwellings Assessed ................................................. 43 Table 5.5-1 – Summary of Non-Residential Committed Developments ............................................. 44 Table 5.5-2 – Summary of Non Residential Nansledan Development ............................................... 45 Table 5.5-3 – Overall Summary of Non Residential Development Assessed..................................... 46 Table 5.7—1 - Person Trip Rates for each land use class ................................................................ 47 Table 5.7—2 - Vehicle Trip Rates For Specific Land Use Classes .................................................... 47 Table 5.8—1 - Modal Split For Residential and Commercial Developments ...................................... 48 Table 5.8—2 - Modal Split For Retail Developments ........................................................................ 48 Table 5.9—1 - Vehicular Trip Rates ................................................................................................. 49 Table 5.9—2 - Agreed Quintrell Road Development Trip Rates ........................................................ 51 Table 5.10—1 – Alternative Planning Assumptions Applied (Ward 15UG2) ...................................... 52 Table 5.10—2 - Tempro growth factors ............................................................................................ 52 Table 5.10—3 - HGV growth rates ................................................................................................... 52 Table 5.11—1 - August Seasonality Factors .................................................................................... 53 Table 6.2—1 – Two-way peak hour flows for the A392 East Road.................................................... 57 Table 6.2—2 – Two-way peak hour flows for the A3058 south of Quintrell Downs ............................ 57 Table 7.1—1 - Existing Junctions Modelling Scenarios..................................................................... 59 Newquay Strategic Route Transport Assessment Prepared by Parsons Brinckerhoff March 2013 Page 4 for Duchy of Cornwall Table 7.2—1 - Porth Four Turns ARCADY Modelling Results........................................................... 61 Table 7.3—1 – Quintrell Road / Rialton Road PICADY Modelling Results ........................................ 62 Table 7.4—1 – Proposed Hendra Roundabout Modelling Scenarios ...............................................