{ "currentVersion": 10.51, "id": 0, "name": "Axes principaux du réseau ferroviaire concernés par la cartographie du bruit (Rapportage 2017)", "type": "Feature Layer", "description": "Cette couche de données représente les axes ferroviaires principaux (plus de 30000 passages de train par an) concernés par la cartographie du bruit hors agglomération et intégrés au rapportage européen 2017.\n\nCette couche de données découle de la Directive européenne 2002/49/CE - \"Environmental Noise Directive\" (ou Directive Noise) - relative à l'évaluation et à la gestion du bruit dans l'environnement.\n\nLa Directive prévoit l\u2019élaboration de cartes stratégiques de bruit émanant d'axes ferroviaires. Cette couche de données reprend tous les tronçons de voies ferrées dites principales, c'est-à-dire supportant au moins 30.000 passages de train par an en Wallonie.\n\nOn retrouve :\n\n- 130.99 km de voies ferrées de priorité 1 de la directive (plus de 60.000 passages de train - cf. Annexe 2 de l\u2019AGW du 13/09/2007 modifié par l'AGW du 12/03/2009);\n\n- 517.30 km de voies ferrées de priorité 2 de la directive (30.000 à 60.000 passages de train - cf. Annexe 4 de l'AGW du 12/03/2009).\n\nA ces zones, il faut soustraire les voies ferrées cartographiées en 2011 dans le cadre de l\u2019élaboration des cartes stratégiques du bruit dans les grandes agglomérations (Charleroi : 22.10 km et Liège : 34.20 km).\n\nLa cartographie du bruit des axes ferroviaires principaux porte donc sur un total de 591.9 km de chemin de fer.\n\nLes axes ferroviaires concernés par la cartographie ont été sélectionnés sur base de données sources datant de 2014 (notamment le plan de transport SNCB 2014). Dès lors, la couches de données transcrit la situation à cette période de temps. Les informations ont été rapportées à l\u2019Agence européenne pour l\u2019environnement en 2017 et sont donc intégrées dans le rapportage 2017.\n\nPour plus d'informations sur cette donnée, consultez http://geoportail.wallonie.be/catalogue/917659fe-d0f3-4878-b2c1-a91be67ed2c9.html", "geometryType": "esriGeometryPolyline", "sourceSpatialReference": { "wkid": 31370, "latestWkid": 31370 }, "copyrightText": "SPW", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "drawingInfo": { "symbolLayerDrawing": { "type": "CIMSymbolLayerDrawing", "symbolLayers": [ { "type": "CIMSymbolLayerIdentifier", "symbolReferenceName": "Symbol_73", "symbolLayerName": "Level_1" }, { "type": "CIMSymbolLayerIdentifier", "symbolReferenceName": "Symbol_74", "symbolLayerName": "Level_0" } ], "useSymbolLayerDrawing": true }, "renderer": { "type": "uniqueValue", "field1": "RAILID", "field2": null, "field3": null, "defaultSymbol": null, "defaultLabel": null, "uniqueValueInfos": [ { "symbol": { "type": 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