data download service (WFS) from: Strategic Noise Map Type A Ln Departmental Network

Strategic noise map of type A Ln — Isophone curves in areas exposed to noise. These curves materialise areas of the same sound level and are plotted by step of 5 dB(A) from the threshold of 50 dB(A) in Ln C_Zones_Urbaines C_Chef Place_ARR_Point C_Colmar_Point_Labels C_Reseau_Dep_CarteA_Ln_Values_Class_Noise c_HR_noise_routes_affected_RD C_N_COMMUNE_BDC_068_ Tags c_HR_noise_routes_affected_RD_Labels C_Colmar_Point C_N_COMMUNE_BDC_068 C_Chef Place_ARR_Point_Labels