Type C Strategic Noise Map — Night — Northern Department

The noise levels emitted by a given infrastructure over an average day are assessed using numerical models producing isophone curves translated into noise zones, according to the recommended index for all modes of transport at European level, i.e. the Lden index and the Ln index. Strategic noise maps aggregate or translate these noise zones according to the type of strategic noise map, i.e. noise exposure maps, noise-affected sectors, limit value exceedance maps, and known or foreseeable noise level change maps