Bruit ferroviaire Ln de type A

Name: Bruit ferroviaire Ln de type A
Creator: opendatasoft

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Bruit ferroviaire selon l'indicateur Ln carte de type A sur la Métropole Aix-Marseille Provence

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Trust score

How is this computed?

fair

Weighted across five axes. Tap a ring for what it measures.

Data schema (17 fields)

Filterable via the API (15)

idnom_donneecodeinseecodectcodecommdatemajsourceanneecodedeptautoriteidcourbetypesourceindicetypeisophonevalidedeb

Click a field to see example values.

Fill	Field	Type	Description
—	geo_point_2dGeo Point	geo_point_2d	Geographic center point coordinates of the feature.Geographic center point coordinates of the feature.
—	geo_shapeShape	geo_shape	Polygon geometry outlining the noise level zone.Polygon geometry outlining the noise level zone.
—	id	double	Unique numeric identifier for the record.Unique numeric identifier for the record.
—	nom_donneeNom donnee	text	Name of the dataset, indicating railway noise data.Name of the dataset, indicating railway noise data.
—	codeinsee	text	INSEE code identifying the municipality.INSEE code identifying the municipality.
—	codect	text	Code identifying the noise source category or track section.Code identifying the noise source category or track section.
—	codecomm	text	Commune code identifying the municipality.Commune code identifying the municipality.
—	datemaj	text	Date the record was last updated.Date the record was last updated.
—	source	text	Organization or company that produced the noise data.Organization or company that produced the noise data.
—	annee	text	Year the noise data was produced.Year the noise data was produced.
100%	codedept	text	Code identifying the administrative department.Code identifying the administrative department.
100%	autorite	text	Identifier (e.g. SIREN) of the responsible authority.Identifier (e.g. SIREN) of the responsible authority.
100%	idcourbe	double	Unique identifier of the noise contour curve.Unique identifier of the noise contour curve.
100%	typesource	text	Type of noise source, coded as a letter.Type of noise source, coded as a letter.
100%	indicetype	text	Type of noise indicator used, e.g. Ln.Type of noise indicator used, e.g. Ln.
100%	isophone	double	Noise level threshold in decibels for this contour.Noise level threshold in decibels for this contour.
100%	validedeb	text	Start date from which the data is considered valid.Start date from which the data is considered valid.

Schema captured from opendatasoft 7 days ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

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Sample data (5 records)

Record 1id: 253 · annee: 2022

{
  "id": 253,
  "annee": "2022",
  "codect": "Null",
  "source": "IMPEDANCE INGENIERIE",
  "datemaj": "31/05/2022",
  "autorite": "814 732 707",
  "codecomm": "Null",
  "codedept": "13",
  "idcourbe": 253,
  "isophone": 55,
  "codeinsee": "Null",
  "geo_shape": "[large value omitted]",
  "validedeb": "31/05/2022",
  "indicetype": "Ln",
  "nom_donnee": "BRUIT_FERROVIAIRE",
  "typesource": "A",
  "geo_point_2d": {
    "lat": 43.55806102005878,
    "lon": 5.054635340170998
  }
}

Record 2id: 286 · annee: 2022

{
  "id": 286,
  "annee": "2022",
  "codect": "CT5",
  "source": "IMPEDANCE INGENIERIE",
  "datemaj": "31/05/2022",
  "autorite": "814 732 707",
  "codecomm": "132063",
  "codedept": "13",
  "idcourbe": 286,
  "isophone": 55,
  "codeinsee": "13063",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Polygon",
      "coordinates": [
        [
          [
            5.0102083566536,
            43.57742341312604
          ],
          [
            5.010213428782932,
            43.57742821214855
          ],
          [
            5.010161820659317,
            43.57758770317078
          ],
          [
            5.010146561533939,
            43.57765168729353
          ],
          [
            5.01034723745346,
            43.577647264299685
          ],
          [
            5.010330639047702,
            43.57779226627009
          ],
          [
            5.010296252854618,
            43.57781182840332
          ],
          [
            5.010340271776458,
            43.57780154402483
          ],
          [
            5.010346311707796,
            43.577795287662056
          ],
          [
            5.010410855545281,
            43.57765799033413
          ],
          [
            5.010463807495795,
            43.57765612291794
          ],
          [
            5.010476846603343,
            43.57761043790444
          ],
          [
            5.010411577976946,
            43.577576426787694
          ],
          [
            5.010244040065997,
            43.57743134871982
          ],
          [
            5.010216132093253,
            43.57742669906321
          ],
          [
            5.010215102670868,
            43.577423379805374
          ],
          [
            5.010210095628738,
            43.57742134895776
          ],
          [
            5.0102083566536,
            43.57742341312604
          ]
        ]
      ]
    },
    "properties": {}
  },
  "validedeb": "31/05/2022",
  "indicetype": "Ln",
  "nom_donnee": "BRUIT_FERROVIAIRE",
  "typesource": "A",
  "geo_point_2d": {
    "lat": 43.57758931280896,
    "lon": 5.010298369666075
  }
}

Record 3id: 288 · annee: 2022

{
  "id": 288,
  "annee": "2022",
  "codect": "CT5",
  "source": "IMPEDANCE INGENIERIE",
  "datemaj": "31/05/2022",
  "autorite": "814 732 707",
  "codecomm": "132047",
  "codedept": "13",
  "idcourbe": 288,
  "isophone": 55,
  "codeinsee": "13047",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Polygon",
      "coordinates": [
        [
          [
            4.973553937398163,
            43.526393317659455
          ],
          [
            4.973513449963681,
            43.52639083437466
          ],
          [
            4.973472465605578,
            43.526409719813934
          ],
          [
            4.973525567831596,
            43.52642411261383
          ],
          [
            4.973571467393123,
            43.52643595083322
          ],
          [
            4.973592141564774,
            43.52640770042369
          ],
          [
            4.973553937398163,
            43.526393317659455
          ]
        ]
      ]
    },
    "properties": {}
  },
  "validedeb": "31/05/2022",
  "indicetype": "Ln",
  "nom_donnee": "BRUIT_FERROVIAIRE",
  "typesource": "A",
  "geo_point_2d": {
    "lat": 43.52641073831095,
    "lon": 4.973538895683715
  }
}

Record 4id: 289 · annee: 2022

{
  "id": 289,
  "annee": "2022",
  "codect": "CT5",
  "source": "IMPEDANCE INGENIERIE",
  "datemaj": "31/05/2022",
  "autorite": "814 732 707",
  "codecomm": "132047",
  "codedept": "13",
  "idcourbe": 289,
  "isophone": 55,
  "codeinsee": "13047",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Polygon",
      "coordinates": [
        [
          [
            4.987368827689003,
            43.5688173123471
          ],
          [
            4.987369868159022,
            43.56881700526097
          ],
          [
            4.987371943364163,
            43.568815028497625
          ],
          [
            4.987370664828904,
            43.56880268941371
          ],
          [
            4.987367354075895,
            43.56881653565941
          ],
          [
            4.987368267840751,
            43.56881721720657
          ],
          [
            4.987368827689003,
            43.5688173123471
          ]
        ]
      ]
    },
    "properties": {}
  },
  "validedeb": "31/05/2022",
  "indicetype": "Ln",
  "nom_donnee": "BRUIT_FERROVIAIRE",
  "typesource": "A",
  "geo_point_2d": {
    "lat": 43.56881197788628,
    "lon": 4.987369930440004
  }
}

Record 5id: 292 · annee: 2022

{
  "id": 292,
  "annee": "2022",
  "codect": "CT5",
  "source": "IMPEDANCE INGENIERIE",
  "datemaj": "31/05/2022",
  "autorite": "814 732 707",
  "codecomm": "132047",
  "codedept": "13",
  "idcourbe": 292,
  "isophone": 55,
  "codeinsee": "13047",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Polygon",
      "coordinates": [
        [
          [
            4.977405475751643,
            43.58063247411972
          ],
          [
            4.977415158798573,
            43.58063216958659
          ],
          [
            4.977420908559314,
            43.58063132199797
          ],
          [
            4.97737342842741,
            43.58053458028557
          ],
          [
            4.977383632687304,
            43.580626549251186
          ],
          [
            4.977395119795123,
            43.580633699272724
          ],
          [
            4.977405475751643,
            43.58063247411972
          ]
        ]
      ]
    },
    "properties": {}
  },
  "validedeb": "31/05/2022",
  "indicetype": "Ln",
  "nom_donnee": "BRUIT_FERROVIAIRE",
  "typesource": "A",
  "geo_point_2d": {
    "lat": 43.58059942578952,
    "lon": 4.977393092755669
  }
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://data.ampmetropole.fr/api/explore/v2.1/catalog/datasets/fr-observatoire-du-bruit-bruit_isophone_ferroviaire_a_ln

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.ampmetropole.fr/api/explore/v2.1/catalog/datasets/fr-observatoire-du-bruit-bruit_isophone_ferroviaire_a_ln/records?limit=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.

Full API documentation ↗

Rate limits

5 000 req/day

per ipmeasured

observed 7 days ago

Dataset

Volume & freshness

Records

1.0k

1001

Last upstream update

1 year ago

2025-04-24

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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