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Les cartes de bruit n’ont pas de caractère prescriptif .
Ce sont des documents d’information qui ne sont pas opposables au niveau
du droit. En tant qu’éléments graphiques, elles peuvent en revanche
compléter un Plan local d’urbanisme (PLU).
Les communes doivent élaborer leurs plans de prévention du bruit dans l'environnement (PPBE) à partir des résultats cartographiques , notamment à partir du bilan des éventuelles actions précédemment programmées, conformément à l'article L.572-8 du code de l'environnement

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Ces cartes ont été annexées à l'arrêté préfectoral n° R03_2022_09_23_00010 portant approbation des cartes de bruit des infrastructures routières dont le trafic annuel est supérieur à 3 millions de véhicules dans le département de la Guyane</gco:CharacterString>
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