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Caltrans > District 4 > Route 4 EA/IS

State Route 4 (East) Widening Project:
Loveridge Road To State Route 160
Negative Declatation/Initial Study - Environmental Assessment
July 2005

What’s in this document:

The California Department of Transportation (Caltrans) and the Federal Highway Administration (FHWA) have prepared this Negative Declatation/Initial Study - Environmental Assessment, which examines the potential environmental impacts of the alternatives being considered for the proposed project located in Contra Costa County, California. The document describes why the project is being proposed, alternatives for the project, the existing environment that could be affected by the project, the potential impacts from the project, and the proposed avoidance, minimization and/or mitigation measures.

The document has been divided into the following Adobe Acrobat files for individual download PDF.

Revised Public Hearing Notice

Displays used at Public Hearing

Cover Cover page, Negative Declaration & General Info (272 k)

Project Summary (52 k)

Table of Contents and List of Abbreviated Terms (44 k)

Chapter 1 Proposed Project (1.12 Mb)

Chapter 2 Affected Environment, Consequences, and Mitigation (4.4 Mb)

Chapter 3 Comments and Coordination (5.4 Mb)

Chapter 4 List of Preparers (24 k)

Chapter 5 Distribution List (20 k)

Chapter 6 Comments and Responses (8.1 Mb)

AppA Fig A - Sheet 1 (~1 Mb)
AppA Fig A - Sheet 2 (~1 Mb)
AppA Fig A - Sheet 3 (~1 Mb)
AppA Fig A - Sheet 4 (~1 Mb)
AppA Fig A - Sheet 5 (~1 Mb)
AppA Fig A - Sheet 6 (~1 Mb)
AppA Fig A - Sheet 7 (~1 Mb)
AppA Fig A - Sheet 8 (~1 Mb)
AppA Fig A - Sheet 9 (~1 Mb)
AppA Fig A - Sheet 10 (~1 Mb)
AppA Fig A - Sheet 11 (~1 Mb)
AppA Fig A - Sheet 12 (~1 Mb)
AppA Fig A - Sheets 1-12 (1.3 Mb)
AppA Fig A - Sheets 1-2 (332 k)

Appendix B CEQA Checklist (2.5 Mb)

Appendix C Title IV Policy (36 k)

Appendix D Relocation Benefits (32 k)

Appendix E Traffic & Transportation (240 k)

Appendix F USFW Biological Opinion (2.1 Mb)

Appendix G Wetlands Finding (24 k)

List of Technical Studies (32 k)


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