Hoover Dam Bypass Project
Draft Environmental Impact Statement

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Index NA 107k
ES Executive Summary ES-1 320k
1 Purpose and Need 1-1 650k
1.1 Introduction 1-1

1.2 History 1-2

1.3 Previous Studies Conducted 1-7

1.4 Need for the Project 1-12

1.5 Purpose of Project 1-17

1.6 Relationship of the Proposed Project to the Statewide Plan or Urban Transportation Plan 1-18

1.7 Legislation Regarding the Proposed Project 1-19

1.8 Relationship of the Proposed Project to Other Modes of Transportation 1-20

2 Alternatives 2-1 938k
2.1 Introduction 2-1

2.2 Initial Identification of Alternatives 2-1

2.3 Criteria for Screening Alternatives 2-6

2.4 Public Input 2-6

2.5 Alternatives Considered but Eliminated from Detailed Evaluation 2-7

2.6 Alternatives Studied in Detail 2-10

2.7 No Build Alternative 2-32

2.8 Logical Termini 2-32

2.9 Toll Option 2-39

3 Affected Environment, Environmental Consequences, and Measures to Minimize Harm 3-1 1,243k
3.1 Air Quality 3-2

3.2 Noise 3-7

3.3 Biology 3-16

3.4 Water Resources 3-36

3.5 Cultural Resources 3-41

3.6 Land Use 3-56

3.7 Visual Resources 3-60

3.8 Recreation Resources 3-91

3.9 Socioeconomics 3-99

3.10 Hazardous Materials 3-106

3.11 Construction Activities and Impacts 3-113

3.12 Energy 3-116

3.13 Local Short-term Uses Versus Long-term Productivity 3-117

3.14 Irreversible and Irretrievable Commitment of Resources 3-118

4 Unavoidable Adverse Impacts 4-1 107k
4.1 Introduction 4-1

4.2 Air 4-1

4.3 Noise 4-1

4.4 Biological Resources 4-1

4.5 Water Resources 4-1

4.6 Cultural Resources 4-2

4.7 Land Use 4-2

4.8 Visual Resources 4-2

4.9 Recreation 4-3

4.10 Socioeconomics 4-3

4.11 Hazardous Materials 4-3

5 Cumulative Impacts 5-1 117k
5.1 Introduction 5-1

5.2 Past and Present Land Uses and Facilities in the Project Area 5-1

5.3 Reasonably Foreseeable Highway Programs in the Project Area 5-2

5.4 Clark County's Desert Conservation Program 5-4

5.5 Conclusions 5-4

6 Section 4(f) Evaluation 6-1 403k
6.1 Purpose of Section 4(f) Evaluation 6-1

6.2 Proposed Project 6-2

6.3 Section 4(f) Properties 6-10

6.4 Impacts on the Section 4(f) Properties 6-13

6.5 Avoidance Alternatives 6-19

6.6 Measures to Minimize Harm 6-22

6.7 Coordination 6-26

7 Coordination and Consultation 7-1 120k
7.1 Introduction 7-1

7.2 Public Scoping 7-1


7.3 Public Comment Meetings 7-2

7.4 Public Agency Partnering Session Held October 29, 1997 7-2

7.5 Project Management Team Meetings 7-3

7.6 Public Outreach 7-3

7.7 DEIS Public Review and Comment 7-3

7.8 Permits 7-3

8 List of Report Preparers 8-1 108k
9 References 9-1 111k
10 List of Agencies, Organizations, and Persons to Whom Copies of the Environmental Impact Statement are Sent 10-1 106k

Appendix A Traffic Analysis NA 255k

Appendix B Laughlin-Bullhead City Alternative NA 295k

Appendix C Correspondence NA 3,427k

Appendix D U.S. Army Corps of Engineers Section 404(b)(1) Guidelines NA 748k

Acronyms and Abbreviations NA 104k
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This page last updated Monday, November 8, 1999