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_68066_noise_routes_affected_Labels
C_68066_RUE_DU_PONT_ROUGE_CarteA_Ln_Values_Class_Noise
C_68066_AV_FRIBOURG_CarteA_Ln_Values_Class_Noise
C_68066_RUE_DU_NORD_CarteA_Ln_Values_Class_Nuit
C_68066_AV_CLEMENCEAU_CarteA_Ln_Values_Class_Noise
c_68066_noise_routes_affected
C_68066_AV_POINCARE_CarteA_Ln_Values_Class_Noise
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