Dataset Direct Download Service (WFS): Aggregation generic tables noise zones type C index Ln in Héault

Aggregation of generic tables describing the Noise Zones for all terrestrial infrastructure, map type C and Ln index. Exceedance maps of limit values: maps to be made within the framework of the CBS pursuant to Article 3-II-1°-c of the Decree of 24 March 2006. This is a dataset representing the areas where the Ln limit values are exceeded for the year in which the maps are drawn up. LN noise level indicator for the night period (22h-6h). Aggregation obtained by the QGIS MIZOGEO plugin made available by CEREMA. Data source by infrastructure: CEREMA.