Map Viewing Service (WMS) of the dataset: Noise zone of a strategic road source noise map, of type C associated index LN of Ille-et-Vilaine

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.噪声级分区（Noise level zones）是依托噪声指标或受噪声影响区域，用以界定噪声暴露场景的分区类型。其主要用于依据《环境法典》第R.572-5条编制战略噪声地图。