Draft Environmental Assessment West Kingman Traffic Interchange
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Draft Environmental Assessment West Kingman Traffic Interchange Interstate 40 MP 48.32 to MP 51.75 (Stockton Hill Road) US Route 93 MP 69.60 to MP 71 Mohave County, Arizona Federal Aid No. 040-A(212)N ADOT (TRACS) No. 040 MO 048 H7993 01L May 2020 The environmental review, consultation, and other actions required by applicable Federal environmental laws for this project are being, or have been, carried out by the Arizona Department of Transportation pursuant to 23 United States Code 327 and a Memorandum of Understanding dated April 16, 2019, and executed by the Federal Highway Administration and the Arizona Department of Transportation. DocuSign Envelope ID: F1D5AED4-DF23-48B5-B2F4-5A4E8E30C62E Draft Environmental Assessment for West Kingman Traffic Interchange Mohave County, Arizona Federal Aid No. 040-A(212)N ADOT Project No. 040 MO 048 H7993 01L May 2020 5/6/2020 Approved by: Date: Paul O’Brien, PE Administrator Environmental Planning Arizona Department of Transportation This environmental assessment has been prepared in accordance with provisions and requirements of Title 23 Code of Federal Regulations Parts 771 and 774, relating to the implementation of the National Environmental Policy Act of 1969 [42 United States Code 4332(2)(c)]. The environmental review, consultation, and other actions required by applicable Federal environmental laws for this project are being, or have been, carried out by the Arizona Department of Transportation pursuant to 23 United States Code 327 and a Memorandum of Understanding dated April 16, 2019, and executed by the Federal Highway Administration and the Arizona Department of Transportation. I-40/US93 West Kingman System Traffic Interchange Draft Environmental Assessment Table of Contents Table of Contents List of Figures .............................................................................................................................. ii List of Tables ............................................................................................................................. iii List of Appendices ............................................................................................................................. iv List of Abbreviations and Acronyms ....................................................................................................... v Environmental Commitments ............................................................................................................ viii Mitigation Measures ........................................................................................................................... ix I. Introduction ............................................................................................................................1 A. Explanation of an Environmental Assessment ....................................................................................... 1 B. Project Location ..................................................................................................................................... 1 C. Project Background and Overview ......................................................................................................... 4 II. Project Purpose and Need ........................................................................................................6 A. Purpose .................................................................................................................................................. 6 B. Need ....................................................................................................................................................... 6 C. Need Summary ....................................................................................................................................... 7 D. Conformance with Regulations, Land Use Plans, and Other ................................................................. 9 III. Alternatives........................................................................................................................... 10 A. Prior Studies and Alternatives .............................................................................................................. 10 B. Alternatives Considered ....................................................................................................................... 13 C. General Project Schedule ..................................................................................................................... 14 IV. Affected Environment, Environmental Consequences, and Mitigation ......................................... 15 A. Issues Eliminated from Detailed Study ................................................................................................ 15 B. Land Ownership, Jurisdiction, and Land Use ....................................................................................... 15 C. Social and Economic Considerations .................................................................................................... 21 D. Title VI of the Civil Rights Act of 1964 (Title VI) and Environmental Justice ........................................ 29 E. Cultural Resources ............................................................................................................................... 35 F. Section 4(f) Resources .......................................................................................................................... 42 G. Traffic and Transportation ................................................................................................................... 49 H. Air Quality Analysis............................................................................................................................... 52 I. Noise Analysis ....................................................................................................................................... 61 J. Utilities ................................................................................................................................................. 70 K. Visual Resources ................................................................................................................................... 73 i May 2020 NH-NHFP-040-A(212)S 040 MO 048 H7993 01C I-40/US93 West Kingman System Traffic Interchange Draft Environmental Assessment Table of Contents L. Drainage and Floodplain Considerations ............................................................................................. 78 M. Sections 404 and 401 of the Clean Water Act and National Pollutant Discharge Elimination System ............................................................................................................................... 81 N. Biological Resources ............................................................................................................................. 85 O. Hazardous Materials ............................................................................................................................ 94 P. Material Sources and Waste Materials ................................................................................................ 99 Q. Secondary Effects ............................................................................................................................... 100 R. Cumulative Impacts ............................................................................................................................ 103 V. Public and Agency Coordination ............................................................................................ 109 A. Public Involvement ............................................................................................................................. 109 B. Agency Involvement ........................................................................................................................... 110 VI. Bibliography ........................................................................................................................ 114 List of Figures Figure 1. Project Location ..................................................................................................................................... 2 Figure 2. Project Vicinity ....................................................................................................................................... 3 Figure 3. Level of Service ...................................................................................................................................... 7 Figure 4. 2019 Existing Peak Hour Conditions at the Beale Street TI ................................................................... 8 Figure 5. Projected 2040 Peak Hour Conditions at the Beale Street TI ................................................................ 8 Figure 6. 2015 Draft DCR and Working Draft EA Alternatives ............................................................................ 12 Figure 7. Current Land Use ................................................................................................................................. 17 Figure 8. Future Land Use in the Project Vicinity per City of Kingman General Plan Update 2030.................... 18 Figure 9. Parcels Affected by the Preferred Alternative ..................................................................................... 20 Figure 10. Census Tracts and Block Groups .......................................................................................................