Strategic Noise Maps of the Lyon and Grenoble agglomerations: Case study following the new CNOSSOS-EU calculation method and the inclusion of the health impact of noise
Résumé
Directive 2002/49/EC on the assessment and management of environmental noise requires Member States to establish Strategic Noise Maps (SNM) for transport (road, rail and air) and industrial noise. Since January 1<sup> </sup> 2019, SNM must use a unified calculation method: CNOSSOS-EU. This method was used for the computation of SNM of road noise in the Grenoble agglomeration produced in 2019. This case study presents an assessment of the impact of the changeover by comparing the results obtained with the new method and those obtained with the old method (NMPB2008) for the same territory, as well as the methodology used to make the input data used for both methods compatible and comparable (traffic type, vehicles, surface). The results of the SNM for the agglomerations of Lyon and Grenoble (3<sup> </sup> deadline) were also used for the assessment of the health impact of noise. This impact is presented in accordance with WHO recommendations, in terms of Disability-Adjusted Life Year (DALY), in anticipation of future requirements in Annex 3 of the Directive.
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