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Tire/pavement and environmental traffic noise research study : interim report – 2009 testing.
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2011-01-01
[PDF-4.12 MB]
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Edition:Interim; 2009.
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Abstract:This research study is being conducted in response to CDOT’s interest in traffic noise in general, and the tire/pavement
interaction in particular. Following a rigid set of testing protocols, data is being collected on highway traffic noise
characteristics along with safety and durability aspects of the associated pavements. The overall goal of this research project
is to develop and execute a comprehensive, long-term study to determine if a particular pavement surface type and/or
texture can be successfully used in Colorado to help satisfy FHWA noise mitigation requirements. The study is needed to
accomplish the following:
♦ Determine the noise generation/reduction characteristics of pavements as functions of pavement type, pavement
texture, age, time, traffic loading, and distance away from the pavement;
♦ Determine a correlation between source measurements using on-board sound intensity (OBSI), and statistical passby
(SPB) and time-averaged wayside measurements; and
♦ Accumulate information that can be used for validation and verification of the accuracy of the FHWA Traffic
Noise Model (TNM) to use on future Colorado highway projects.
Implementation:
The information included in this report highlights the third in a series of four measurements to be collected over a five-year
period. While some of this information can be used immediately for decisions related to pavement design and specification,
it is recommended that caution be exercised as the results from future testing will help further define the long-term
acoustical durability of these pavement surfaces.
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