Cartographie du bruit sur Rennes Métropole - type a isophones

Name: Cartographie du bruit sur Rennes Métropole - type a isophones
Creator: opendatasoft

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Couche d'isophones par typologie de bruit (routier, ferré, industriel et aérien) sur 24h (Lden) et la nuit (Ln). Les courbes d'isophones pour le réseau ferré ont été mises à jour en 2023 pour tenir compte de la mise en production de la nouvelle LGV et de la ligne B du métro.

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Trust score

How is this computed?

fair

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

Data schema (9 fields)

Filterable via the API (7)

gml_idobjectidfromtoperiodtypeannee

Click a field to see example values.

Field	Type	Description
geo_point_2dGeo Point	geo_point_2d	—
geo_shapeShape	geo_shape	—
gml_idGml id	text	—
objectid	int	—
from	double	—
to	double	—
period	text	—
type	text	—
annee	int	—

Schema captured from opendatasoft 2 hours 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 1to: 60 · from: 55

{
  "to": 60,
  "from": 55,
  "type": "Routier",
  "annee": 2021,
  "gml_id": "bruit_isophone_2021.27830",
  "period": "Lden",
  "objectid": 27830,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "MultiPolygon",
      "coordinates": [
        [
          [
            [
              -1.652183179178177,
              48.16021574347216
            ],
            [
              -1.652168414270215,
              48.160217781957925
            ],
            [
              -1.65216535689027,
              48.1601734839244
            ],
            [
              -1.652219468653348,
              48.16016273672282
            ],
            [
              -1.652242144877742,
              48.160194618229525
            ],
            [
              -1.652210638875096,
              48.16022751849381
            ],
            [
              -1.652183179178177,
              48.16021574347216
            ]
          ]
        ]
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 48.16019362060425,
    "lon": -1.6522008547907294
  }
}

Record 2to: 60 · from: 55

{
  "to": 60,
  "from": 55,
  "type": "Routier",
  "annee": 2021,
  "gml_id": "bruit_isophone_2021.27833",
  "period": "Lden",
  "objectid": 27833,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "MultiPolygon",
      "coordinates": [
        [
          [
            [
              -1.577487720505123,
              48.16446597503215
            ],
            [
              -1.577507242070496,
              48.16445528778261
            ],
            [
              -1.577491439759629,
              48.164466908320726
            ],
            [
              -1.577491417240608,
              48.164468170607556
            ],
            [
              -1.577487423012769,
              48.16446868984397
            ],
            [
              -1.577487720505123,
              48.16446597503215
            ]
          ]
        ]
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 48.16446371182352,
    "lon": -1.577494164894138
  }
}

Record 3to: 60 · from: 55

{
  "to": 60,
  "from": 55,
  "type": "Routier",
  "annee": 2021,
  "gml_id": "bruit_isophone_2021.27845",
  "period": "Lden",
  "objectid": 27845,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "MultiPolygon",
      "coordinates": [
        [
          [
            [
              -1.590496015698636,
              48.1110047834321
            ],
            [
              -1.590489372040935,
              48.110948284825554
            ],
            [
              -1.590534874307399,
              48.1109123198637
            ],
            [
              -1.590566146580304,
              48.11090088993892
            ],
            [
              -1.590690068607766,
              48.110935767342596
            ],
            [
              -1.590867540121973,
              48.11105076917958
            ],
            [
              -1.590647407107109,
              48.11110037376525
            ],
            [
              -1.590496015698636,
              48.1110047834321
            ]
          ]
        ]
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 48.11100358097189,
    "lon": -1.5906508807278266
  }
}

Record 4to: 60 · from: 55

{
  "to": 60,
  "from": 55,
  "type": "Routier",
  "annee": 2021,
  "gml_id": "bruit_isophone_2021.27851",
  "period": "Lden",
  "objectid": 27851,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "MultiPolygon",
      "coordinates": [
        [
          [
            [
              -1.690933903533083,
              48.0813289010099
            ],
            [
              -1.691006252744581,
              48.0813644241066
            ],
            [
              -1.691015081075737,
              48.08137721962207
            ],
            [
              -1.690996294028992,
              48.08140871369949
            ],
            [
              -1.690925980448369,
              48.081394102881134
            ],
            [
              -1.690933903533083,
              48.0813289010099
            ]
          ]
        ]
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 48.08137359567129,
    "lon": -1.6909660854688422
  }
}

Record 5to: 60 · from: 55

{
  "to": 60,
  "from": 55,
  "type": "Routier",
  "annee": 2021,
  "gml_id": "bruit_isophone_2021.27858",
  "period": "Lden",
  "objectid": 27858,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "MultiPolygon",
      "coordinates": [
        [
          [
            [
              -1.485778864361246,
              48.109243223536254
            ],
            [
              -1.4857713472982,
              48.109244958288535
            ],
            [
              -1.485761959748821,
              48.10924838770374
            ],
            [
              -1.485767481418295,
              48.10923763128486
            ],
            [
              -1.485774574107067,
              48.10924339090216
            ],
            [
              -1.485778864361246,
              48.109243223536254
            ]
          ]
        ]
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 48.10924324998778,
    "lon": -1.485768408040881
  }
}

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

Verification Status

Using the API

Configuration

Base URL: https://data.rennesmetropole.fr/api/explore/v2.1/catalog/datasets/cartographie-du-bruit-2021-sur-rennes-metropole-type-a-isophones0

License

Open Data Commons Open Database License 1.0Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.rennesmetropole.fr/api/explore/v2.1/catalog/datasets/cartographie-du-bruit-2021-sur-rennes-metropole-type-a-isophones0/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

7 000 req/day

per ipmeasured

observed 2 hours ago

Dataset

Volume & freshness

Records

8.1k

8091

Last upstream update

10 hours ago

2026-07-27

License

No license declared upstream.

○ Documentation○ Data dictionary○ Versioning

Source: opendatasoft

Machine-readable & source

JSON

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