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Artwork credits & source information

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© OpenStreetMap contributors · ODbL 1.0 · openstreetmap.org/copyright
OSM history via ohsome API · 2007-10-08 to 2026-07-27
Style: Every Line Ever · Alan McConchie / Stamen Design · independent reconstruction

Source & licence links
https://stamen.com/openstreetmap-every-line-ever-every-point-ever-7d78aa0aed8e/
https://github.com/almccon/every-line-every-point
https://api.ohsome.org/v1/elementsFullHistory/geometry
https://www.openstreetmap.org/copyright

Recorded source details
{
  "source": "© OpenStreetMap contributors · ODbL 1.0 · openstreetmap.org/copyright | OSM history via ohsome API · 2007-10-08 to 2026-07-27",
  "attributionPlacement": "separate",
  "historyStyle": {
    "name": "Every Line Ever",
    "author": "Alan McConchie · Stamen Design",
    "sourceUrl": "https://stamen.com/openstreetmap-every-line-ever-every-point-ever-7d78aa0aed8e/",
    "implementationUrl": "https://github.com/almccon/every-line-every-point",
    "originalProjectLicence": "Unspecified",
    "modification": "Independently implemented SVG rendering of real OSM way history; blue uniform 1px ways at opacity 0.01 per geometry state."
  },
  "osmHistory": {
    "mode": "lines",
    "provider": "ohsome API",
    "wayCoverage": "tagged-feature-ways",
    "fromTimestamp": "2007-10-08T00:00:00Z",
    "toTimestamp": "2026-07-27T09:00Z",
    "geometryClipped": true,
    "polygonBoundaryPolicy": "omit-query-boundary-segments",
    "apiVersion": "1.10.4",
    "queryBbox": [
      -122.39906258242993,
      37.79142767019231,
      -122.39173741757006,
      37.79897213719645
    ],
    "areaKm2": 0.5399550794145986,
    "featureCount": 11275,
    "geometryStateCount": 11275,
    "elementCount": 1831,
    "versionCount": 8012,
    "vertexCount": 101175,
    "emptyGeometryCount": 2,
    "duplicateCount": 0,
    "sourceUrl": "https://api.ohsome.org/v1/elementsFullHistory/geometry"
  },
  "historyDataLicense": "ODbL-1.0",
  "historyDataLicenseUrl": "https://www.openstreetmap.org/copyright",
  "date": "2026-10-09"
}
