Departmental Roads of Loire-AtlantiqueRoutes départementales de Loire-Atlantique

Routes départementales de Loire-AtlantiqueDepartmental Roads of Loire-Atlantique

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This API provides geolocation data for departmental roads within Loire-Atlantique, a department in western France. It is published and maintained by the Département de Loire-Atlantique, the local governing authority, as part of its open data offering. The dataset covers the local road network at the departmental administrative level and is freely accessible without authentication. It can be used for mapping, transport planning, and other geographic applications requiring accurate location data for the departmental road infrastructure of the region.Localisation des routes départementales.

transport

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Trust score

How is this computed?

fair

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

Data schema (6 fields)

Filterable via the API (4)

identifiant_voiecumuldcumulfannee_mise_en_service

Click a field to see example values.

Field	Type	Description
identifiant_voieNom de la route	text	Name or code of the departmental road.Name or code of the departmental road.
cumuldCumul début (en mètre)	int	Starting cumulative distance of the road segment, in meters.Starting cumulative distance of the road segment, in meters.
cumulfCumul fin (en mètre)	int	Ending cumulative distance of the road segment, in meters.Ending cumulative distance of the road segment, in meters.
annee_mise_en_serviceAnnée de mise en service	text	Year the road section was put into service.Year the road section was put into service.
geo_shapeForme géo	geo_shape	Geographic shape (line geometry) of the road segment.Geographic shape (line geometry) of the road segment.
geo_point_2dCoordinates	geo_point_2d	Geographic coordinates (latitude, longitude) of the segment centroid.Geographic coordinates (latitude, longitude) of the segment centroid.

Schema captured from opendatasoft 2 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 1cumuld: 0 · cumulf: 14214

{
  "cumuld": 0,
  "cumulf": 14214,
  "geo_shape": "[large value omitted]",
  "geo_point_2d": {
    "lat": 47.28199198285268,
    "lon": -2.491422787275196
  },
  "identifiant_voie": "D045",
  "annee_mise_en_service": "-"
}

Record 2cumuld: 15191 · cumulf: 38313

{
  "cumuld": 15191,
  "cumulf": 38313,
  "geo_shape": "[large value omitted]",
  "geo_point_2d": {
    "lat": 47.07390613145371,
    "lon": -1.784510588530738
  },
  "identifiant_voie": "D061",
  "annee_mise_en_service": "-"
}

Record 3cumuld: 0 · cumulf: 5212

{
  "cumuld": 0,
  "cumulf": 5212,
  "geo_shape": "[large value omitted]",
  "geo_point_2d": {
    "lat": 47.74382984868378,
    "lon": -1.4598143996130044
  },
  "identifiant_voie": "D244",
  "annee_mise_en_service": "-"
}

Record 4cumuld: 0 · cumulf: 6988

{
  "cumuld": 0,
  "cumulf": 6988,
  "geo_shape": "[large value omitted]",
  "geo_point_2d": {
    "lat": 47.32530914321074,
    "lon": -2.3703869277969987
  },
  "identifiant_voie": "D247",
  "annee_mise_en_service": "-"
}

Record 5cumuld: 0 · cumulf: 19921

{
  "cumuld": 0,
  "cumulf": 19921,
  "geo_shape": "[large value omitted]",
  "geo_point_2d": {
    "lat": 47.775054957143986,
    "lon": -1.372968600690322
  },
  "identifiant_voie": "D036",
  "annee_mise_en_service": "-"
}

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

Verification Status

Using the API

Configuration

Base URL: https://data.loire-atlantique.fr/api/explore/v2.1/catalog/datasets/224400028_routes-departementales-de-loire-atlantique

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.loire-atlantique.fr/api/explore/v2.1/catalog/datasets/224400028_routes-departementales-de-loire-atlantique/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

50 000 req/day

per ipmeasured

observed 2 days ago

Dataset

Volume & freshness

Records

335

Update cadence

Irregular

declared upstream

Last upstream update

11 days ago

2026-10-11

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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