Strategic noise maps of the national, departmental and municipal road network whose traffic exceeds 3 million vehicles per year (2nd deadline) — Type “a” — Department of Haute-Loire — 2014

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Dataset information

Country of origin
Updated
2014.06.27 00:00
Created
2015.07.01
Available languages
French
Keywords
BRUIT, acoustique, NUISANCE, GRAND PUBLIC, données ouvertes, transport, DDT 43 (Direction Départementale des Territoires de la Haute-Loire), open data, DDT 43, bruit, vibrations, trafic, HAUTE-LOIRE, OUVERT
Quality scoring
90

Dataset description

4 sets of graphic documents make up this dataset: — ‘type a maps’ represent, for the reference year, the areas exposed to more than 55 dB for indicator Lden (24h) and more than 50 dB(A) for indicator Ln (night), — ‘type b maps’ represent the sectors affected by noise mentioned in the Prefectural Orders of 23 December 2009 classifying land transport infrastructure in the department of Haute-Loire, — ‘type c maps’ represent parts of territory likely to contain vessels exceeding the limit values (68 dB (A) for indicator Lden and 62 dB(A) for indicator Ln); they relate to residential buildings, as well as health and education institutions, — ‘type d’ maps represent changes in known or foreseeable noise levels in relation to the reference situation. The mapped data is valid only on a scale less than 1/25000th.
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