United States Department of Transportation
i
Cost-benefit analysis - noise barriers and quieter pavements
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2014-01-01
[PDF-2.32 MB]
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Alternative Title:A workshop sponsored by the INCE Foundation, the Noise Control Foundation, and the Transportation Research Board Committee ADC40
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Edition:Final report
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Abstract:This report presents the results of one TQA Follow-up event, a workshop titled Cost Benefit Analysis – Noise Barriers and Quieter Pavements, which was organized by the DOT Volpe Center and hosted by the NAE at the National Academies Keck Center, Washington, DC, on January 16, 2014. Several factors led to the workshop. First, it is well-recognized that highway noise is a quality-of-life issue in the United States. Second, the primary defense against road traffic noise in the United States has been noise barriers. However, barriers are expensive, reduce noise as it propagates (not at the source), and are not always feasible. Third, at highway speeds, the main source of noise emission is interaction between vehicle tires and road surfaces. Considerable progress has been made in understanding this noise source, and development work has shown that considerable reductions in noise emissions can be achieved by changing the design of the road surface. Fourth, to allocate costs effectively, a cost-benefit analysis of the two alternatives (quiet pavements and noise barriers) should be undertaken.
The workshop and this report respond to the above factors. The agenda for the workshop is presented in Appendix B. The wide variety of interests represented at the workshop are identified; participants offered their respective positions and recommendations. Note that participants in the workshop were invited for their experience and expertise with cost benefit analysis, noise barriers, and quieter pavement, and their participation does not indicate endorsement of the methodology discussed.
A dialog between workshop participants and related stakeholders, particularly Federal and state transportation agencies, is expected to continue.
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