Nuisance — Noise-exposed areas of railway line 570000 (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）指基于噪声指标或受噪声影响的区域，用以界定噪声暴露状况的区划类型。其主要用于依据《环境法典》第R.572-5条的规定编制战略性噪声地图。