Table of Contents Executive Summary ............................................................... ES-1 1.0 Purpose and Need............................................................. 1-1 1.1 Project Overview................................................................................. 1-1 1.2 Proposed Action.................................................................................. 1-3 1.3 Purpose and Need of Proposed Action ........................................... 1-3 2.0 Alternatives Considered .................................................... 2-1 2.1 Alternatives Screening......................................................................... 2-1 2.2 Preliminary Alternatives...................................................................... 2-3 2.3 Screening of Corridor Sections.......................................................... 2-6 2.4 Corridors Carried Forward................................................................. 2-8 2.5 Build Alternatives Carried Forward ................................................ 2-12 2.6 Justification for the Identification of the Preferred Yellow Alternative........................................................................................... 2-22 2.7 Environmental Impacts .................................................................... 2-24 2.8 Cost Estimates.................................................................................... 2-24 3.0 Affected Environment and Environmental Consequences.................................................................... 3.1 3.1 Land Use and Zoning....................................................................... 3.1-1 3.2 Community and Neighborhood Impacts...................................... 3.2-1 3.3 Parks and Recreation Facilities ....................................................... 3.3-1 3.4 Relocations......................................................................................... 3.4-1 3.5 Environmental Justice...................................................................... 3.5-1 3.6 Economics......................................................................................... 3.6-1 3.7 Aesthetic and Visual Impacts.......................................................... 3.7-1 3.8 Regulated Materials........................................................................... 3.8-1 3.9 Historic and Archaeological Resources......................................... 3.9-1 i 3.10 Noise................................................................................................. 3.10-1 3.11 Air Quality........................................................................................ 3.11-1 3.12 Groundwater, Drainage and Surface Water Quality ................. 3.12-1 3.13 Floodplains, Streams, and Stream Crossings.............................. 3.13-1 3.14 Wetlands........................................................................................... 3.14-1 3.15 Threatened and Endangered Species........................................... 3.15-1 3.16 Farmland and Soils ......................................................................... 3.16-1 3.17 Energy............................................................................................... 3.17-1 3.18 Utilities.............................................................................................. 3.18-1 3.19 Cumulative Impacts........................................................................ 3.19-1 3.20 Joint Development......................................................................... 3.20-1 3.21 Relationships.................................................................................... 3.21-1 3.22 Irreversible and Irretrievable Commitments of Resources ...... 3.22-1 3.23 Construction Impacts..................................................................... 3.23-1 3.24 Permits.............................................................................................. 3.24-1 4.0 Mitigation Green Sheet Summary..................................... 4-1 5.0 Agency Coordination and Public Involvement................. 5-1 5.1 Notice of Intent ................................................................................... 5-1 5.2 Early Coordination with Government Agencies ............................ 5-1 5.3 Project Scoping Meeting..................................................................... 5-2 5.4 Public Involvement.............................................................................. 5-2 5.5 Resource Agency Meetings................................................................. 5-6 6.0 List of Preparers and Reviewers........................................ 6-1 7.0 Circulation List.................................................................. 7-1 8.0 Technical Memorandum List ........................................... 8-1 9.0 References ......................................................................... 9-1 Appendices Appendix A.1 - Correspondence with Federal, State and Local Agencies Appendix A.2 - Public Correspondence ii List of Figures 1.1 Project Area ............................................................................................................. EOC 2.1 Build Alternatives - Sub-Areas A, B, and C ....................................................... EOC 2.2 Build Alternatives - Eliminated Sections............................................................. EOC 2.3 Build Alternatives - Further Evaluated................................................................ EOC 2.4 Yellow and Brown Alternatives ........................................................................... EOC 2.5 Developed Area Typical Section ............................................................................2-15 2.6 Neighborhood Typical Section...............................................................................2-15 2.7 Full Boulevard Typical Section...............................................................................2-15 2.8 Detailed Engineering Typical Sections on Levee.................................................2-16 3.1.1 Project Area Land Use ........................................................................................... EOC 3.2.1 Age Assessment........................................................................................................3.2-3 3.2.2 Poverty Status...........................................................................................................3.2-4 3.2.3 Community Facilities.............................................................................................. EOC 3.3.1 Parks and Recreation Facilities ............................................................................ EOC 3.7.1 Visual Assessment Units........................................................................................ EOC 3.8.1 Potential Contaminated Sites ............................................................................... EOC 3.9.1 Historic Resources.................................................................................................. EOC 3.9.2 Titan Tire Complex.................................................................................................3.9-3 3.9.3 Amends Packing Plant ............................................................................................3.9-4 3.9.4 SE 14th Street Viaduct............................................................................................3.9-4 3.10.1 Common Sound/Noise Levels............................................................................3.10-1 3.10.2 Noise Contours for Yellow Alternative ............................................................. EOC 3.10.3 Noise Contours for Brown Alternative .............................................................. EOC 3.12.1 Water Resources and Floodplains........................................................................ EOC 3.13.1 Des Moines River Basin........................................................................................3.13-1 3.13.2 Location of Des Moines and Raccoon Rivers Flood Reduction Projects .... 3.13.3 3.19.1 Cumulative Impacts Area...................................................................................... EOC (EOC - End of Chapter) iii List of Tables ES.1 Alternatives Impacts Summary 3.1 Alternatives Impacts Summary 3.2.1 Ethnicity/Race Assessment 3.2.2 Age and Gender Assessment 3.2.3 Income Levels and Distribution 3.2.4 Education Level 3.2.5 Persons with Disabilities 3.4.1 Number of Employees Displaced by Size of Employment 3.4.2 Houses Listed For Sale 3.6.1 Size of Employment by Number of Employers in Project Area 3.6.2 Sales of Businesses in Project Area by Number of Businesses 3.6.3 Employment 3.6.4 Taxable Value of Property in Potentially Affected Jurisdiction 3.6.5 Number of Employers Displaced by Size of Employment 3.6.6 Taxable Value Lost Due to Right of Way Acquisition for Alternatives 3.7.1 Visual Quality of Surrounding Environment (Viewers from the Roadway) 3.7.2 Visual Quality of Scott, Maury, Vandalia (Viewers of the Roadway) 3.7.3 Visual Quality of Surrounding Environment (Viewers from the New Roadway) Yellow Alternative 3.7.4 Visual Quality of the Yellow Alternative (Viewers of the Roadway) 3.7.5 Visual Quality Rating for each VAU 3.7.6 Visual Quality of Surrounding Environment (Viewers from the New Roadway) Brown Alternative 3.7.7 Visual Quality of the Brown Alternative (Viewers of the Roadway) 3.8.1 Properties Impacted by the Yellow Alternative 3.8.2 Properties