Environmental Assessment Clear Path 465 Des. 1400075 Prepared for: Indiana Department of Transportation and Federal Highway Administration September 2020 Parsons • 101 West Ohio Street, Suite 2121 • Indianapolis, Indiana 46204 • (317) 616-1000 Table of Contents LIST OF TABLES .................................................................................................................................................................................... III Appendices ................................................................................................................................................................................ iii List of Abbreviations ................................................................................................................................................................. vi GENERAL PROJECT INFORMATION/SIGNATURE PAGE ................................................................................................................... 1 INTRODUCTION ...................................................................................................................................................................................... 2 PART I - PUBLIC INVOLVEMENT ........................................................................................................................................................... 2 PART II - GENERAL PROJECT IDENTIFICATION, DESCRIPTION, AND DESIGN INFORMATION ................................................... 6 Purpose and Need .................................................................................................................................................................... 6 Project Description (Preferred Alternative) .............................................................................................................................. 8 Other Alternatives Considered ............................................................................................................................................... 12 Roadway Character ................................................................................................................................................................. 14 Design Criteria for Bridges ..................................................................................................................................................... 17 Maintenance of Traffic During Construction ......................................................................................................................... 22 Estimated Project Cost and Schedule ................................................................................................................................... 22 Right-of-Way ............................................................................................................................................................................ 23 PART III - IDENTIFICATION AND EVALUATION OF IMPACTS OF THE PROPOSED ACTION ........................................................ 24 Section A – Ecological Resources .......................................................................................................................................... 24 Streams, Rivers, Watercourses & Jurisdictional Ditches ................................................................................................. 24 Other Surface Waters ......................................................................................................................................................... 28 Wetlands ............................................................................................................................................................................. 29 Terrestrial Habitat ............................................................................................................................................................... 36 Karst .................................................................................................................................................................................... 37 Threatened or Endangered Species .................................................................................................................................. 38 Section B – Other Resources ................................................................................................................................................. 39 Drinking Water Resources ................................................................................................................................................. 39 Floodplains .......................................................................................................................................................................... 42 Farmland ............................................................................................................................................................................. 43 Section C – Cultural Resources ............................................................................................................................................. 43 Section D – Section 4(f) Resources/Section 6(f) Resources ............................................................................................... 46 Section 4(f) Involvement .................................................................................................................................................... 46 Section 6(f) Involvement .................................................................................................................................................... 49 Section E – Air Quality ............................................................................................................................................................ 50 Air Quality ............................................................................................................................................................................ 50 Section F – Noise .................................................................................................................................................................... 51 Noise ................................................................................................................................................................................... 51 Section G – Community Impacts ............................................................................................................................................ 52 Regional, Community and Neighborhood Factors ............................................................................................................ 52 Indirect and Cumulative Impacts ....................................................................................................................................... 53 Public Facilities and Services ............................................................................................................................................. 53 Environmental Justice (EJ) Presidential EO 12898 .......................................................................................................... 55 Relocation of People, Businesses or Farms ...................................................................................................................... 57 Section H – Hazardous Materials and Regulated Substances ............................................................................................ 58 Section I – Permits Checklist ................................................................................................................................................. 61 Section J – Environmental Commitments ............................................................................................................................. 62 Section K – Agency Coordination ........................................................................................................................................... 65 EnvironmentalEnvironmental Assessment Assessment - Clear - Clear Path Path 465 465 Des. 1400075 ii List of Tables Table 1. Existing Design Speeds and LOS Summary ........................................................................................................... 7 Table 2. Historical Crash Summary (2013 to 2015) ............................................................................................................ 8 Table 3. Roadway Classification and Traffic Data .............................................................................................................. 14 Table 4. Roadway Characteristics ....................................................................................................................................... 16 Table 5. Existing and Proposed Bridge Summary .............................................................................................................. 17 Table 6. Proposed Bridge Design Criteria ........................................................................................................................... 19 Table 7. Culvert Summary ................................................................................................................................................... 21 Table 8. Right-of-Way ........................................................................................................................................................... 23 Table