Abstract
This report presents a methodology for evaluating feasibility, reasonableness, effectiveness, acoustic longevity, and economic features of pavement strategies and barriers for noise mitigation. The methodology uses life-cycle cost analysis (LCCA) to examine the economic features of mitigation alternatives, the FHWA Traffic Noise Model (TNM®) to integrate the noise reduction performance of pavements and barriers, and on-board sound intensity (OBSI) measurements as an input to the prediction model. This approach provides a rational basis for evaluating alternatives for noise mitigation. The appendixes, which provide elaborations and detail on several aspects of the research, are not included with the print version of the report, but are available on the Transportation Research Board's website.The material contained in the report will be of immediate interest to state engineers and others concerned with pavement design and construction and the noise impact on nearby communities.
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