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Final Environmental Impact Statement (PDF)
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Executive Summary (PDF)
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Chapter 1 - Introduction, Purpose, and Need (PDF)
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Chapter 2 - Alternatives Considered (PDF)
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Chapter 3 - Environmental Resources, Impacts, and Mitigation (PDF)
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Chapter 4 - Project Outreach (PDF)
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Chapter 5 - Preferred Alternative (PDF)
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Appendix A - Notice of Intent (PDF)
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Appendix B - Purpose and Need (PDF)
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Appendix C - Project Needs Analysis (PDF)
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Appendix D - PEL Study (PDF)
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Appendix E - Existing Corridor Safety Study (PDF)
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Appendix F - Corridor N Completion Analysis & Impact Study (PDF)
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Appendix G - Economic Analysis of Completing the ADHS (PDF)
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Appendix H - Socioeconomic Existing Conditions Report Amended Apr 2025 (PDF)
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Appendix I - Miller Farm Section 4f (PDF)
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Appendix J - Aboveground Historic PA Eligibility Report - Amended Apr 2025 (PDF)
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Appendix K - Aboveground Historic MD Eligibility Report - Amended Apr 2025 (PDF)
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Appendix L - Aboveground Historic PA MD DOE Report - Amended Apr 2025 (PDF)
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Appendix M - Executed Section 106 Programmatic Agreement (PDF)
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Appendix N - Archaeology Assessment - Amended Apr 2025 (PDF)
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Appendix O - Air Quality Memo - Amended Apr 2025 (PDF)
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Appendix P - Preliminary Engineering Noise Report - Amended Apr 2025 (PDF)
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Appendix Q - Revised Environmental Features Mapping (PDF)
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Appendix R - Agricultural Resources Existing Conditions- Amended Apr 2025 (PDF)
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Appendix S - CPA-106 Farmland Conversion Impact Rating (PDF)
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Appendix T - Phase I Environmental Site Assessment - Amended Apr 2025 (PDF)
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Appendix U - Geotechnical Alternatives Analysis - Amended Apr 2025 (PDF)
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Appendix V - Aquatic Resources Report - Amended Apr 2025 (PDF)
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Appendix W - Terrestrial Habitat Assessment Report - Amended Apr 2025 (PDF)
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Appendix X - RT&E Species Memo Report_Redacted - Amended Apr 2025 (PDF)
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Appendix Y - Biological Assessment - Part A_Redacted - Amended Apr 2025 (PDF)
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Appendix Y - Biological Assessment - Part B_Redacted (PDF)
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Appendix Y - Biological Assessment - Part C_Redacted (PDF)
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Appendix Z - Biological Opinion_Redacted (PDF)
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Appendix AA - SHA Park and Ride Lot Plans (PDF)
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Appendix AB - RFE Technical Report (PDF)
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Appendix AC - Revised Public Interest Factors (PDF)
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Appendix AD - Environmental Assessment Form (PDF)
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Appendix AE - Public Meeting Summaries (PDF)
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Appendix AF - Public Hearing Summary and Comment Responses (PDF)
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Appendix AG - Summer 2024 Newsletter (PDF)
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Appendix AH - Distribution List (PDF)
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Appendix AI - List of Preparers (PDF)
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Appendix AJ - References (PDF)