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Abstract:The Blue Ridge Parkway National Park provided an environment where sound level
measurements could be made for numerous motorcycle pass-by events. Data were examined
for five motorcycle categories: cruiser, sport, dual purpose, touring, and
moped/scooter, in terms of broadband sound levels and on a spectral basis (one-third
octave bands). Then the cruiser category was examined further since these motorcycles
generated the loudest and some of the quietest measured sound levels. Initial
investigations were made for the following: sound levels for groups of motorcycles,
sound levels at sensitive receiver locations, and predictions of sound levels using
five motorcycle categories in a special research version of the FHWA Traffic Noise
Model® (TNM®).
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