Noise in the Environment - Strategic Noise Mapping in the Department of Drôme - CBS 26 - 2017 - Data from Infrastructure Noise Zones (Fer and Roads)
Description
Noise maps are defined by Article L.572-3 of the Environmental Code. The lot contains the geographical data of the noise zones, they are interoperable in accordance with Directive 2002/49/EC of 25 June 2002, transposed into French law by Articles L.572-1 to L.572-11 of the Environmental Code.
Noise level zones describe a noise exposure situation based on a noise indicator or area affected by noise. They are mainly used for drawing up strategic noise maps, in accordance with Article R.572-5 of the Environmental Code.
The published data concern the land and rail infrastructure of the Drôme. The noise levels emitted by a given infrastructure during an average day are assessed using numerical models producing isophone curves translated into noise zones, according to the index recommended for all modes of transport at European level, namely the Lden index and the Ln index.
You will find in this lot for each of the infrastructures the data:
- ‘Type A’: noise-exposed areas according to the indicators Lden (full day) and Ln (night) in steps of 5 dB(A);
- ‘Type C’: isophone curves exceeding limit values in Lden (full day) and Ln (night).
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