Reference points of the Loire-Atlantique departmental road networkPoints de repère du réseau routier départemental de Loire-Atlantique

Points de repère du réseau routier départemental de Loire-AtlantiqueReference points of the Loire-Atlantique departmental road network

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This API provides the reference points (PR) that form the survey markers of the departmental road network in Loire-Atlantique, France. Each record includes the PR number, the distance between consecutive reference points, and the PR type (start, intermediate, or end). It is published and maintained by the Département de Loire-Atlantique and is useful for road management, mapping, and location referencing along departmental roads.freeLes points de repère (PR) constitue le bornage du référentiel routier départemental de la Loire-Atlantique : numéro du PR longueurs des inter-PR type de PR : début, courant ou fin

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 (7 fields)

Filterable via the API (5)

rdxynature_du_prnumero_du_pr

Click a field to see example values.

Field	Type	Description
rdNom de la route	text	Name of the departmental road.Nom de la route
geo_shapeShape	geo_shape	Geographic shape geometry of the reference point.Geographic shape geometry of the reference point.
geo_point_2dCoordinates	geo_point_2d	Geographic coordinates of the reference point.Localisation
x	double	X coordinate of the reference point location.X coordinate of the reference point location.
y	double	Y coordinate of the reference point location.Y coordinate of the reference point location.
nature_du_prNature du point de repère	text	Type of reference point: start, current, or end.PRD : point de repère début PRF : point de repère fin PRC : point de repère courant
numero_du_prNuméro du point de repère	text	Identification number of the reference point.Identification number of the reference point.

Schema captured from opendatasoft 3 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 1x: 335561 · y: 6735317

{
  "x": 335561,
  "y": 6735317,
  "rd": "44 D0124",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.854610832493014,
        47.61738122645045
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 47.61738122645045,
    "lon": -1.854610832493014
  },
  "nature_du_pr": "PRC",
  "numero_du_pr": "20"
}

Record 2x: 335068 · y: 6664305

{
  "x": 335068,
  "y": 6664305,
  "rd": "44 D0072",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.8036893721259215,
        46.97902550623986
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 46.97902550623986,
    "lon": -1.8036893721259215
  },
  "nature_du_pr": "PRF",
  "numero_du_pr": "24"
}

Record 3x: 347484 · y: 6723454

{
  "x": 347484,
  "y": 6723454,
  "rd": "44 D0035",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.6868050252893168,
        47.51726496581523
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 47.51726496581523,
    "lon": -1.6868050252893168
  },
  "nature_du_pr": "PRC",
  "numero_du_pr": "32"
}

Record 4x: 294631 · y: 6702879

{
  "x": 294631,
  "y": 6702879,
  "rd": "44 D0213G",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -2.3688904098939645,
        47.302151782613905
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 47.302151782613905,
    "lon": -2.3688904098939645
  },
  "nature_du_pr": "PRC",
  "numero_du_pr": "4"
}

Record 5x: 333990 · y: 6681209

{
  "x": 333990,
  "y": 6681209,
  "rd": "44 D0751G",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [
        -1.8314397788417058,
        47.130341981241756
      ]
    },
    "properties": {}
  },
  "geo_point_2d": {
    "lat": 47.130341981241756,
    "lon": -1.8314397788417058
  },
  "nature_du_pr": "PRC",
  "numero_du_pr": "29"
}

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_points-de-repere-du-reseau-routier-departemental-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_points-de-repere-du-reseau-routier-departemental-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 3 days ago

Dataset

Volume & freshness

Records

4.5k

4522

Update cadence

Monthly

declared upstream

Last upstream update

1 month ago

2026-09-13

License

No license declared upstream.

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Source: opendatasoft

Machine-readable & source

JSON

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