Draft EIS/EIR Appendix EE Final Cumulative Impact Analysis Report
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Draft EIS/EIR Appendix EE Final Cumulative Impact Analysis Report WEST SANTA ANA BRANCH TRANSIT CORRIDOR PROJECT Draft EIS/EIR Appendix EE Final Cumulative Impact Analysis Report Prepared for: Los Angeles County Metropolitan Transportation Authority Prepared by: WSP USA 444 South Flower Street Suite 800 Los Angeles, California 90071 July 2021 Authors AUTHORS Terry A. Hayes Associates Inc. Terry A. Hayes, AICP Allyson Dong Kieran Bartholow Table of Contents TABLE OF CONTENTS 1 INTRODUCTION ................................................................................................................. 1-1 1.1 Study Background ..................................................................................................... 1-1 1.2 Alternatives Evaluation, Screening, and Selection Process .................................... 1-1 1.3 Report Purpose and Structure .................................................................................. 1-2 1.4 General Background ................................................................................................. 1-3 1.5 Methodology ............................................................................................................. 1-3 2 PROJECT DESCRIPTION ..................................................................................................... 2-1 2.1 Geographic Sections ................................................................................................. 2-5 2.1.1 Northern Section ...................................................................................... 2-5 2.1.2 Southern Section ...................................................................................... 2-6 2.2 No Build Alternative ................................................................................................. 2-6 2.3 Build Alternatives ...................................................................................................... 2-9 2.3.1 Proposed Alignment Configuration for the Build Alternatives ............... 2-9 2.3.2 Alternative 1: Los Angeles Union Station to Pioneer Station ............... 2-12 2.3.3 Alternative 2: 7th Street/Metro Center to Pioneer Station ................... 2-15 2.3.4 Alternative 3: Slauson/A (Blue) Line to Pioneer Station ....................... 2-15 2.3.5 Alternative 4: I-105/C (Green) Line to Pioneer Station ......................... 2-15 2.3.6 Design Options ...................................................................................... 2-16 2.3.7 Maintenance and Storage Facility .......................................................... 2-16 3 REGULATORY FRAMEWORK .............................................................................................. 3-1 3.1 Federal ....................................................................................................................... 3-1 3.1.1 Council on Environmental Quality (40 CFR Section 1500 – 1508) ......... 3-1 3.2 State .......................................................................................................................... 3-1 3.2.1 California Environmental Quality Act (Cal. Public Resources Code, Section 21000 et seq.) and CEQA Guidelines (14 Cal. Code Regs., Section 15000 et seq.) ................................................................... 3-1 4 AFFECTED ENVIRONMENT/EXISTING CONDITIONS .................................................... 4-1 4.1 Affected Area ............................................................................................................. 4-1 4.2 Forecasted Growth ................................................................................................... 4-2 5 ENVIRONMENTAL CONSEQUENCES/ENVIRONMENTAL IMPACTS ............................ 5-1 5.1 No Build Alternative ................................................................................................. 5-1 5.2 Build Alternatives ...................................................................................................... 5-1 5.2.1 Transportation .......................................................................................... 5-1 5.2.2 Land Use and Development .................................................................... 5-1 5.2.3 Communities and Neighborhoods .......................................................... 5-3 5.2.4 Acquisitions and Displacements ............................................................. 5-3 5.2.5 Visual and Aesthetics ............................................................................... 5-4 5.2.6 Air Quality ................................................................................................. 5-5 5.2.7 Greenhouse Gas Emissions ..................................................................... 5-6 5.2.8 Noise and Vibration ................................................................................. 5-6 5.2.9 Ecosystems and Biological Resources ..................................................... 5-7 5.2.10 Geotechnical/Subsurface/Seismic Hazards............................................ 5-8 5.2.11 Hazards and Hazardous Materials .......................................................... 5-8 5.2.12 Water Resources ....................................................................................... 5-8 5.2.13 Energy ....................................................................................................... 5-9 West Santa Ana Branch Transit Corridor Project Final Cumulative Impact Analysis Report July 2021 | i Table of Contents 5.2.14 Historic, Archeological, and Paleontological Resources ...................... 5-10 5.2.15 Tribal Cultural Resources ....................................................................... 5-10 5.2.16 Parklands and Community Facilities ..................................................... 5-10 5.2.17 Economic and Fiscal Impacts ................................................................ 5-11 5.2.18 Safety and Security ................................................................................. 5-11 5.2.19 Environmental Justice ............................................................................ 5-12 6 CONSTRUCTION IMPACTS ................................................................................................ 6-1 6.1 Construction Activities ............................................................................................. 6-1 6.2 Regulatory Background and Methodology............................................................... 6-1 6.2.1 Regulatory Background ............................................................................ 6-1 6.2.2 Methodology ............................................................................................. 6-1 6.3 No Build Alternative ................................................................................................. 6-1 6.4 Build Alternative ........................................................................................................ 6-1 6.4.1 Transportation .......................................................................................... 6-1 6.4.2 Land Use and Development .................................................................... 6-2 6.4.3 Communities and Neighborhoods .......................................................... 6-2 6.4.4 Acquisitions and Displacements ............................................................. 6-3 6.4.5 Visual and Aesthetics ............................................................................... 6-3 6.4.6 Air Quality ................................................................................................. 6-3 6.4.7 Greenhouse Gas Emissions ..................................................................... 6-4 6.4.8 Noise and Vibration ................................................................................. 6-5 6.4.9 Ecosystems and Biological Resources ..................................................... 6-6 6.4.10 Geotechnical/Subsurface/Seismic Hazards ............................................ 6-7 6.4.11 Hazards and Hazardous Materials .......................................................... 6-7 6.4.12 Water Resources ....................................................................................... 6-8 6.4.13 Energy ....................................................................................................... 6-8 6.4.14 Historic, Archeological, and Paleontological Resources ........................ 6-8 6.4.15 Tribal Cultural Resources ......................................................................... 6-9 6.4.16 Parklands and Community Facilities ....................................................... 6-9 6.4.17 Economic and Fiscal Impacts ................................................................ 6-10 6.4.18 Safety and Security ................................................................................. 6-10 6.4.19 Environmental Justice ............................................................................ 6-10 7 REFERENCES ........................................................................................................................ 7-1 West Santa Ana Branch Transit Corridor Project ii | July 2021 Final Cumulative Impact Analysis Report Table of Contents Tables Table 2.1. No Build Alternative – Existing Transportation Network and Planned Improvements ........................................................................................................................ 2-7 Table 2.2. Summary of Build Alternative Components ..............................................................