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TRB’s National Cooperative Highway Research Program (NCHRP) Report 791: Supplemental Guidance on the Application of FHWA’s Traffic Noise Model (TNM) provides state departments of transportation staff and other transportation professionals with technical guidance on using the FHWA TNM. FHWA has provided substantial guidance for the routine application of TNM, but scenarios exist for which there is no technical guidance. The report explores ways to model traffic-generated noise in a variety of settings that have not been addressed.

The project webpage includes Appendices A through L of the contractor’s final report.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2014. Supplemental Guidance on the Application of FHWA’s Traffic Noise Model (TNM). Washington, DC: The National Academies Press. https://doi.org/10.17226/22284.

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Publication Info

101 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/22284
Chapters skim
Front Matter i-viii
Summary 1-1
Chapter 1 - Introduction 2-2
Chapter 2 - Structure-Reflected Noise and Expansion-Joint Noise 3-10
Chapter 3 - Signalized Interchanges, Intersections, and Roundabouts 11-30
Chapter 4 - Area Sources 31-39
Chapter 5 - Median Barriers 40-44
Chapter 6 - Multilane Highways 45-48
Chapter 7 - Building Rows 49-64
Chapter 8 - Topography 65-68
Chapter 9 - Ground Zones 69-71
Chapter 10 - Tree Zones 72-73
Chapter 11 - Wind and Temperature Gradients 74-82
Chapter 12 - Parallel Barriers 83-90
Chapter 13 - Tunnel Openings 91-100
Appendices A through L 101-102

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