Nuisance — Areas exposed to noise from the municipal roads of Saint-Ouen (map of “type a” LN) in Loir-et-Cher

Noise level zones describe a noise exposure situation based on a noise indicator or area affected by noise. They are used primarily for the preparation of strategic noise maps pursuant to Article R.572-5 of the Environmental Code.噪声级区域（Noise level zones）是依托噪声表征指标或受噪声影响的空间范围，用以刻画噪声暴露状况的区划单元。此类区划主要用于依据《环境法典》第R.572-5条的规定编制战略噪声地图。