Table describing the 24-hour noise limit values exceeded on the municipal roads of Orléans-Métropole in the Loiret (C_LDen)

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，用以描述噪声暴露状况的分区类型。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。