Abstract
Road noise assessments are coming under increased scrutiny from regulators as a result of intensified urban development in New South Wales (NSW), Australia. This paper presents a summary of road assessment methodology, an assessment of the assumptions used in their calculations (particularly as applied to NSW) and some of their limitations. An analysis has been completed of the suitability of the correction used to correlate modelled results to Australian conditions and potential dependencies to other variables, through an analysis of data of completed projects. This paper also aims to identify the effectiveness of recently introduced road noise guidelines, which were developed to streamline the assessment process across the industry. Recommendations are provided to revisit data collection over a wider geographic area or identification of other possible variables which would influence the modelling of real life scenarios.
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