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Westside Purple Line Extension Final Supplemental EIS

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Final SEIS

SEIS Chapters

  • Chapter 1 – Introduction
    • 1.1  Project Overview
    • 1.2  Purpose and Scope of this Final SEIS
    • 1.3  Environmental Review Process
  • Chapter 2 – Alternatives Considered in this Final SEIS
    • 2.1  Project Background
    • 2.2  Purpose and Need of the Project
      • 2.2.1  Major Activity Centers and Destinations
      • 2.2.2  Travel Markets, Transit Usage, Congestion, and Mobility in the Study Area
      • 2.2.3  Regional Objectives
    • 2.3  Development of the Alternatives for Section 2 of the Project
      • 2.3.1  Wilshire/Rodeo to Century City Alignment and Century City Station
      • 2.3.2  Century City Station Construction Staging
      • 2.3.3  Elimination of the Double Crossover at Wilshire/Rodeo Station
    • 2.4  Alternatives Considered in this SEIS
      • 2.4.1  Tunnel Alignment and Stations
      • 2.4.2  Century City Constellation Station Construction Staging
    • 2.5  Section 2 Construction Schedule
  • Chapter 3 – Transportation
    • 3.1  Introduction
    • 3.2  Construction-related Transportation Impacts
      • 3.2.1  Construction Approach
      • 3.2.2  Public Transit
      • 3.2.3  Streets and Highways
      • 3.2.4  Parking
      • 3.2.5  Pedestrian and Bicycle Network
  • Chapter 4 – Environmental Analysis, Consequences, and Mitigation
    • 4.1  Introduction
    • 4.2  Noise and Vibration
      • 4.2.1  Affected Environment/Existing Conditions
      • 4.2.2  Environmental Impacts/Environmental Consequences
      • 4.2.3  Mitigation Measures
    • 4.3  Geologic Hazards
      • 4.3.1  Existing Conditions/Affected Environment
      • 4.3.2  Environmental Impacts/Environmental Consequences
      • 4.3.3  Completeness of Information
      • 4.3.4  Mitigation Measures
    • 4.4  Historic Properties
      • 4.4.1  Affected Environment/Existing Conditions
      • 4.4.2  Environmental Impacts/Environmental Consequences
      • 4.4.3  Mitigation Measures
    • 4.5  Construction Impacts and Mitigation
      • 4.5.1  Acquisition and Displacement of Existing Uses
      • 4.5.2  Visual Quality
      • 4.5.3  Air Quality
      • 4.5.4  Noise and Vibration
      • 4.5.5  Geological Hazards
      • 4.5.6  Ecosystems and Biological Resources
      • 4.5.7  Parklands and Community Services and Facilities
    • 4.6  Cumulative Impacts
      • 4.6.1  Methodology
      • 4.6.2  Affected Environment/Existing Conditions
      • 4.6.3  Environmental Impacts/Environmental Consequences
  • Chapter 5 – Section 4(f) Evaluation
    • 5.1  Section 4(f) Regulatory Framework
      • 5.1.1  Types of Properties Protected by Section 4(f)
      • 5.1.2  Section 4(f) Use
      • 5.1.3  Prudent and Feasible Avoidance Alternatives
      • 5.1.4  All Possible Planning to Minimize Harm
      • 5.1.5  Least Overall Harm
    • 5.2  Description of Section 4(f) Resources
      • 5.2.1  Perpetual Savings Bank Historic Property
      • 5.2.2  Beverly Hills High School (BHHS) Historic Property
      • 5.2.3  AAA Building Historic Property
      • 5.2.4  Century Plaza Tower Historic Property
      • 5.2.5  Century Plaza Hotel Historic Property
      • 5.2.6  Los Angeles Country Club (South Course) Historic Property
      • 5.2.7  The Barn Historic Property
      • 5.2.8  Beverly Hills High School Recreational Facilities
      • 5.2.9  Roxbury Memorial Park
    • 5.3  Evaluation of Use of Section 4(f) Resources
      • 5.3.1  Beverly Hills High School Historic Property
      • 5.3.2  AAA Building Historic Property
      • 5.3.3  Beverly Hills High School Recreational Facilities
      • 5.3.4  All Possible Planning to Minimize Harm
    • 5.4  Avoidance Alternatives
      • 5.4.1  Wilshire Boulevard (No Century City Station)
      • 5.4.2  Santa Monica Boulevard
      • 5.4.3  Century Park A
      • 5.4.4  Century Park B
      • 5.4.5  Century Park C
      • 5.4.6  Summary of Feasibility and Prudence of Avoidance Alternatives
    • 5.5  Evaluation of Least Overall Harm
      • 5.5.1  Alternatives Considered for Least Overall Harm
      • 5.5.2  Ability to Mitigate Adverse Impacts on Each Section 4(f) Property
      • 5.5.3  Relative Severity of Remaining Harm, after Mitigation, to Protected Activities, Attributes, or Features that Qualify Each Section 4(f) Property for Protection
      • 5.5.4  Relative Significance of Each Section 4(f) Property
      • 5.5.5  Views of the Official(s) with Jurisdiction over Each Section 4(f) Property
      • 5.5.6  Degree to which Each Alternative Meets the Purpose and Need of the Project
      • 5.5.7  After Reasonable Mitigation, the Magnitude of any Adverse Impacts to Resources not Protected by Section 4(f)
      • 5.5.8  Substantial Differences in Costs among Alternatives
      • 5.5.9  Summary of Finding of Least Overall Harm
    • 5.6  Coordination and Consultation
      • Consultation for Section 4(f) historic resources
      • Consultation for Section 4(f) recreational resources
    • 5.7  Section 4(f) Finding
  • Chapter 6 – Public and Agency Outreach
    • 6.1  Highlights of Previous Outreach Efforts
    • 6.2  Public Participation Plan
    • 6.3  Public Review Period for the Draft SEIS
    • 6.4  Section 106 Consultation
    • 6.5  Section 4(f) Consultation
    • 6.6  Public and Agency Comments on Draft SEIS
  • References
  • List of Preparers
  • List of Recipients

List of Appendices