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Insulation of Building Against Highway Noise


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The contents of this report reflect the views of the contracting organization, which is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policy of the Department of Transportation. This report does not constitute a standard, specification, or regulation.



Bruce A. Davy
Steven R. Skale


Office of Environmental Policy


The authors wish to express their appreciation for the contributions of several people who were associated with the development of this manual. In particular/ we would like to thank John R. Schultz at FHWA-Office of Development; his technical advisory panel consisting of Dr. Timothy Barry at FHWA-Office of Research, Charles Grant at FHWA-Office of Environmental Policy, and Kenneth Overturf at FHWA-Office of Engineering; and Curtis I. Holmer of the National Bureau of Standards for their continuing guidance and suggestions.

Significant contributions were also made by colleagues on the Wyle Research Staff. Deputy Research Director Louis C. Sutherland, Research Manager Matha M. Miller, and Deputy Director for Acoustics Ben H. Sharp provided valuable review during drafting of the manual . Gary E. Mange developed the EWNR concept utilized in the manual . Stephen A. Bush contributed the material on economics included in Chapter 5. William R. Fuller assisted in preparing the appendices and examples, and Robert Johnson provided the graphics that appear in the text.

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Updated: 7/6/2011
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