AHTD Publications


Special Studies - Springdale Northern Bypass (Highway 412) Environmental Studies

February 15, 2006 – Record of Decision (ROD) 

The ROD is a very brief summary of the information used during the evaluation and the decision-making process for the environmental analysis on this proposed project. It includes information to address the comments received on the Final Environmental Impact Statement, and is the final decision-making document in the environmental process. The ROD is available in Adobe Acrobat form by clicking here (2.2 Mb).

October 6, 2005 – Final Environmental Impact Statement 

These sections of the Final Environmental Impact Statement (FEIS) and Executive Summary with links below were derived from the FEIS approved October 6, 2005.  The FEIS contains an in-depth analysis of the Preferred Line (Line 5), as conducted by the AHTD in cooperation with the Federal Highway Administration.  The various sections of the FEIS are available in Adobe Acrobat form by clicking the links below.

Opening Section 1.8 MB
Executive Summary 1.9 MB
Section 1-Purpose & Need 4.4 MB
Section 2-Alternatives 12.1 MB
Section 3-Affected Environment 23.4 MB
Section 4-Environmental Consequences 8.5 MB
Section 5-Commitments 0.6 MB
Section 6-Coordination & Public Involvement 0.6 MB
Section 7-Comments & Response 20.1 MB
Section 8-List of Preparers 0.7 MB
Section 9-Distribution List of FEIS 0.3 MB
Section 10-References 0.3 MB
Appendix A-Coordination & Public Involvement 8.7 MB
Appendix B-Cultural Resources Coordination 5.6 MB
Appendix C-Purpose & Need 2.2 MB
Appendix D-Level of Service Discussion 1.8 MB
Appendix E-Pollution Prevention 1.9 MB
Appendix F-Historic Properties in the Project Area 4.6 MB
Appendix G-Farmland Coordination 4.5 MB
Appendix H-Noise 1.9 MB
Appendix I-Terrestrial & Aquatic Fauna 2.2 MB
Appendix J-Conceptual Stage Relocation Statement & Inventory Record 4.1 MB
Appendix K-I-540 Interchanges & Associated Modifications 2.1 MB
Appendix L-Surface Water Quality Impacts 2.2 MB
Appendix M-Environmental Justice 2.1 MB
Appendix N-Cultural Resources Reading List 2.1 MB
Appendix O-Cooperating Agency Coordination 5.4 MB

 

June 7, 2004 - Executive Summary of the Supplemental Draft Environmental Impact Statement

 

This Executive Summary was derived from information in the Draft Environmental Impact Statement (SDEIS) approved May 7, 2004.  The SDEIS is a compilation of extensive scientific and engineering information required for compliance with federal and state rules and regulations.  Four alignments within the center portion of the proposed project were studied and compared in the SDEIS.  The SDEIS Executive Summary is available in Adobe Acrobat form by clicking here (2.3 Mb).

 

January 31, 2002 - Executive Summary of the Draft Environmental Impact Statement

 

This Executive Summary was derived from information in the Draft Environmental Impact Statement (DEIS) approved January 31, 2002. The DEIS is a compilation of extensive scientific and engineering information required for compliance with federal and state rules and regulations.  The DEIS Executive Summary is available in Adobe Acrobat form by clicking here (2.4 Mb).

 

 

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