Strategic noise map of type A Lden — Isophone curves in areas exposed to noise. These curves show areas of the same sound level and are plotted by 5 dB(A) steps from the threshold of 55 dB(A) in Lden.
c_HR_noise_motorway_concedee_affected
C_N_COMMUNE_BDC_068
C_Zones_Urbaines
c_HR_noise_motorway_concedee_affected_Labells
C_A36_APRR_CarteA_Lden_Values_Class_Noise
C_N_COMMUNE_BDC_068_ Tags
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