Noise load — Contours provincial roads 2011

The dataset contains the combined noise contours of the provincial roads of the Province of Utrecht from the 2nd tranche of the EU Environmental Noise Directive (2011 level). The noise maps are valid for the 2011 level year and only reflect the calculations related to the EU Environmental Noise Directive for the provincial roads of Utrecht.

本数据集涵盖乌得勒支省（Utrecht）省级公路依据欧盟环境噪声指令（EU Environmental Noise Directive）2011年版第二批所生成的组合噪声等值线。该噪声地图的有效基准年为2011年，且仅呈现针对乌得勒支省省级公路、符合欧盟环境噪声指令要求的相关计算结果。