RESIDENCES at 4400 VON KARMAN PROJECT Traffic Impact

RESIDENCES AT 4400 VON KARMAN PROJECT Traffic Impact Study Prepared by: Kimley-Horn and Associates, Inc. 765 The City Drive, Suite 200 Orange, California 92868 October 2020 This Page Intentionally Left Blank WORKING DRAFT–NOT FOR PUBLIC DISTRIBUTION Residences at 4400 Von Karman City of Newport Beach Traffic Impact Study TABLE OF CONTENTS Section Page No. 1 INTRODUCTION 1 2 PROJECT DESCRIPTION 1 2.1 Project Location .........................................................................................................................1 2.2 Existing Land Uses and Access ....................................................................................................2 2.3 Proposed Project and Access......................................................................................................2 3 METHODOLOGY 9 3.1 Study Area .................................................................................................................................9 3.2 Analysis Methodology .............................................................................................................. 10 3.3 Performance Criteria................................................................................................................ 13 3.4 Significance Thresholds ............................................................................................................ 14 City of Newport Beach ............................................................................................................. 14 City of Irvine ............................................................................................................................ 14 Caltrans ................................................................................................................................... 15 3.5 Study Scenarios........................................................................................................................ 15 4 EXISTING TRAFFIC ENVIRONMENT/AREA CONDITIONS 15 4.1 Existing Transportation System ................................................................................................ 15 Roadway Characteristics .......................................................................................................... 15 Existing Transit Service ............................................................................................................. 17 5 EXISTING TRAFFIC CONDITIONS 21 5.1 Existing Traffic Volumes ........................................................................................................... 21 5.2 Existing Intersection Analysis ................................................................................................... 21 6 PROPOSED PROJECT TRAFFIC 27 6.1 Project Trip Generation ............................................................................................................ 27 6.2 Project Trip Distribution and Assignment ................................................................................. 27 7 FUTURE CONDITIONS 33 7.1 Traffic Phasing Ordinance (TPO) Analysis ................................................................................. 33 TPO 1% Analysis ....................................................................................................................... 34 TPO Analysis Year 2025 Without Project .................................................................................. 38 TPO Analysis Year 2025 With Project ........................................................................................ 39 Page | i WORKING DRAFT–NOT FOR PUBLIC DISTRIBUTION Residences at 4400 Von Karman City of Newport Beach Traffic Impact Study 7.2 CEQA Analysis .......................................................................................................................... 45 CEQA Analysis Year 2025 Without Project ................................................................................ 45 CEQA Analysis Year 2025 With Project ..................................................................................... 53 8 GENERAL PLAN COMPARISON 59 9 OTHER ISSUES 67 9.1 ANALYSIS OF INTERSTATE HIGHWAY FACILITIES ....................................................................... 67 Intersections on Interstate Highway Facilities ................................................................................. 67 Traffic Impact Criteria..................................................................................................................... 67 Interstate Highway Intersection Analysis ........................................................................................ 69 Existing Conditions ................................................................................................................... 69 CEQA Analysis Year 2025 Without Project ................................................................................ 69 CEQA Analysis Year 2025 With Project ..................................................................................... 69 9.2 CONGESTION MANAGEMENT PROGRAM COMPLIANCE ........................................................... 70 9.3 SITE ACCESS AND SITE CIRCULATION ........................................................................................ 70 9.4 CONSTRUCTION TRAFFIC.......................................................................................................... 74 Construction Phasing ............................................................................................................... 74 10 CONCLUSIONS 75 FIGURES Figure 1 – Vicinity Map ............................................................................................................................ 3 Figure 2 – Existing Project Site ................................................................................................................. 5 Figure 3 – Project Site Plan ...................................................................................................................... 7 Figure 4 – Study Intersections ................................................................................................................ 11 Figure 5 – Existing Transit Routes .......................................................................................................... 19 Figure 6 – Existing Lane Configuration and Traffic Control ..................................................................... 23 Figure 7 – Existing Peak Hour Traffic Volumes........................................................................................ 25 Figure 8 – Project Trip Distribution ........................................................................................................ 29 Figure 9 – Project-Related Peak Hour Traffic Volumes ........................................................................... 31 Figure 10 – TPO Analysis Year 2025 Without Project Peak Hour Traffic Volumes .................................... 35 Figure 11 – TPO Analysis Year 2025 With Project Peak Hour Traffic Volumes ......................................... 43 Figure 12 – Location of Cumulative Projects .......................................................................................... 49 Figure 13 – CEQA Analysis Year 2025 Without Project Peak Hour Traffic Volumes ................................. 51 Figure 14 – CEQA Analysis Year 2025 With Project Peak Hour Traffic Volumes ....................................... 55 Page | ii WORKING DRAFT–NOT FOR PUBLIC DISTRIBUTION Residences at 4400 Von Karman City of Newport Beach Traffic Impact Study Figure 15 – Post-2030 General Plan Buildout Peak Hour Traffic Volumes ............................................... 61 Figure 16 – Post-2030 General Plan Buildout With Project Peak Hour Traffic Volumes ........................... 63 Figure 17 – Existing Site Access .............................................................................................................. 72 TABLES Table 1: Summary of Intersection Operation Existing Conditions ........................................................... 21 Table 2: Summary of Project Trip Generation ........................................................................................ 27 Table 3: Summary of City of Newport Beach Committed Projects .......................................................... 34 Table 4: Summary of 1% TPO Analysis ................................................................................................... 37 Table 5: Intersection Operations – TPO Analysis Year 2025 Without Project Conditions ......................... 39 Table 6: Intersection Operations – TPO Analysis Year 2025 With Project Conditions .............................. 41 Table 7: Summary of Cumulative Projects .............................................................................................. 47 Table 8: Intersection Operation – CEQA Analysis Year 2025 Without Project Conditions ........................ 53 Table 9: Intersection Operation – CEQA Analysis Year 2025 With Project Conditions ............................. 57 Table 10: Summary of Delta Project Trip Generation ............................................................................. 60 Table 11: Intersection Operation – Post-2030 General Plan Buildout With Project Conditions ............... 65 Table 12: Summary of Interstate Highway Intersection Operations ........................................................ 69 APPENDICES Appendix A – Traffic Data Collection Worksheets Appendix B – Intersection Analysis Worksheets B-1 – Existing

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