Map Viewing Service (WMS) of the dataset: Noise maps on motorways: Zoning with sound level (day, evening, night) > 68 decibels in the Department of Landes

European Directive 2002-49 of 25 June 2002 on the assessment and management of noise in the environment lays down the framework for noise control policy.

The data were produced in response to Decree No. 2006-361 of 24 March 2006 on the preparation of noise maps and environmental noise prevention plans.

It states that noise maps and environmental noise prevention plans are drawn up:
(1) For each road and motorway infrastructure with an annual traffic of more than 3 million vehicles;
(2) For each railway infrastructure with an annual traffic exceeding 30,000 train crossings;
(3) For agglomerations with more than 100,000 inhabitants whose list is annexed to the decree.

Noise zones were developed in 2008 in the Department of Landes. Four families of noise maps are the initial diagnosis according to four harmonised noise level indicators: Lden(level day evening night), Ln (level night), Lden above 68 dB(A) and Ln above 62 dB(A)

Axes concerned in 2008:
— motorway network: A63 A64,
— national network: RN10,
— departmental network: RD29 RD129 RD524 RD810 RD824 RD932E RD947,
— Dax road network

Reading these maps requires some precautions detailed below.

2002年6月25日发布的《欧盟2002/49号环境噪声评估与管理指令》确立了噪声管控政策的整体框架。
本数据集系依据2006年3月24日发布的《2006-361号噪声地图与环境噪声防治规划编制法令》编制而成。
该法令明确规定需编制噪声地图与环境噪声防治规划的情形包括：
(1) 年车流量超过300万辆的普通公路及高速公路基础设施；
(2) 年列车通行量超过3万列次的铁路基础设施；
(3) 法令附件所列的人口超10万的城镇聚居区。

2008年，法国朗德省（Landes）完成了噪声区划工作。本次初始诊断依据四类统一噪声级评价指标，生成了四类噪声地图：Lden（昼间-傍晚-夜间等效声级，原文为level day evening night）、Ln（夜间声级，原文为level night）、68dB(A)以上Lden区间以及62dB(A)以上Ln区间。

2008年涉及的交通干线及道路网络包括：
— 高速公路网：A63、A64号高速；
— 国道网：RN10号国道；
— 省道网：RD29、RD129、RD524、RD810、RD824、RD932E、RD947号省道；
— 达克斯（Dax）市域道路网。

解读此类噪声地图需遵循下述详细注意事项。