Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17003
Title: Estimating traffic noise for inclined roads with freely flowing traffic
Authors: Tang, SK 
Tong, KK
Keywords: Environment
Traffic noise
Issue Date: 2004
Publisher: Elsevier Sci Ltd
Source: Applied acoustics, 2004, v. 65, no. 2, p. 171-181 How to cite?
Journal: Applied Acoustics 
Abstract: Traffic noise measurements on the kerbs of 19 independent inclined trunk roads with freely flowing traffic within the residential areas of Hong Kong are carried out in the present investigation. The performance of the existing noise prediction models in predicting traffic noise from inclined roads is evaluated. By regression analysis and simple physical consideration of the traffic noise production mechanisms, formulae for the prediction of the LA10, LA50, LA90 and LAeq are developed or re-calibrated. Results suggest tyre noise has the major contribution to the overall noise environment when the source is an inclined trunk road. Also, the road gradient is found to have a higher contribution to the traffic noise than assumed in the existing models, but becomes unimportant when the background noise level LA90 is concerned.
URI: http://hdl.handle.net/10397/17003
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2003.08.001
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