Road noise – Areas where limit values are exceeded, from 22h to 6h (indicator Ln)

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Provided by Métropole Aix-Marseille Provence

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Dataset information

Catalog

Métropole Aix-Marseille Provence catalog

Country of origin

France

Updated

2026.03.26 07:22

Created

2026.03.26

Available languages

English

Keywords

ln, routier, bruit, environnement, nuit

Datasource

Official portal for European data link

Quality scoring

Dataset description

**Strategic Noise Map** Data produced by Impédance engineering on behalf of the metropolis Aix-Marseille Provence The symbology associated with the noise map is available in the attachment in QGIS format. ** ** Road noise according to the Ln indicator for type C maps on the Aix-Marseille Provence Metropolis. Results of acoustic modelling calculations. Type C map locates areas where limit values are exceeded. The value of the noise index Ln “Level night”, expressed in weighted decibels A (dB(A)), represents the level of noise exposure at night.

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