data download service (WFS) from: Railways, C-type noise card Lden73 index (day, evening, night)

Strategic noise maps, in accordance with European Directive 2002/49/EC of 25 June 2002, allow for the overall assessment of exposure to noise in the environment. They allow a representation of noise levels, but also to enumerate the exposed population, quantify the nuisances, and then draw up action plans. The type “c” or Lden map of exceedance of the 73 dB(A) limit value, locates areas exposed to noise, using isophones. Lden (Level day, evening, night) is an indicator of hour-weighted noise (day, evening and night noise). DB(A) is a unit of measurement expressing a level of intensity (decibel) weighted according to the physiological characteristics of the human ear. ___ Access to the municipality is available in the “Location” tab on the left of the map. Maximum consultation scale: 1/25 000 th ___ Only the documents annexed to the Orders are authentic ___ Card background: BD CARTO, SCAN 25, SCAN REGIONAL and SCAN 1000 ®© IGN C_045_569000_LDC_Values_Id C_045_590000_LDC_Values_Id C_N_COMMUNE_BDC_045 C_045_570000_LDC_Values_Id