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Noise Analysis Manual
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Noise Wall construction in Cleveland

Highway noise impact assessment procedures, noise abatement procedures, coordination requirements and noise abatement criteria are based on Title 23 Code of Federal Regulations Part 772 and the latest revision of the Federal Highway Administration's Highway Traffic Noise Analysis and Abatement Guidance. This manual is applicable to both federally funded and 100% state funded projects.

The Manual

The manual is divided into chapters and appendices. Each chapter or appendix is delivered via PDF allowing users to quickly locate specific information via the Chapter and Appendices headings below:


I. Applicability and Noise Abatement Criteria

II. Definitions

III. General Noise Analysis Requirements

IV. Date of Public Knowledge

V. Type I Projects

V. J Public Involvement

VI. Type II Projects

VII. Barrier Design Criteria

VIII. Noise Wall Material Selection and Project Implementation

IX. Maintenance

X. Aesthetics

XI. Noise Best Management Practices (BMPs)

XII. Cost per Benefited Receptor Evaluation

XIII. New Product Submissions

XIV. Removal or Alteration of Proposed or Constructed Barriers

Closing Remarks


Appendix A - Flowchart for When a Noise Analysis is Needed

Appendix B - Noise Analysis Process Flowchart Revised

Appendix C - Noise Analysis Process Flowchart for FHWA Categories C, D and E

Appendix D - Sample Noise Insulation Work Agreement

Appendix E - Noise Insulation Inspection Checklist

Appendix F - Noise Analysis Report Preparation/Review Checklist - UPDATED

Appendix G - Flowchart for Noise Wall Placement in the Modeling Phase

Appendix H - Flowchart for Noise Analysis Public Involvement Process 

Appendix I - Post-Noise Analysis Process Flowchart

Appendix J - Noise Public Involvement Summary (NPIS) Document Checklist

Appendix K - Noise PI Standard Colors and Textures Templates

Appendix L - Flowchart for Type II Noise Wall Process

Appendix M - Application and Petition for Type II Noise Barrier Mitigation

Appendix N - Noise Wall Construction Plan Preparation-Review Checklist

ODOT has been assigned FHWA's responsibilities pursuant to the Surface Transportation Projct Delivery Program, otherwise known as NEPA Assignment. The environmental review, consultation, and other actions required by Section 4(f) of the Department of Transportation Act are being carried out by ODOT pursuant to 23 U.S.C. 327 and a Memorandum of Understanding dated June 6, 2018, and executed by FHWA and ODOT.