{
  "schema_version": 1,
  "generated_at": "2026-10-25T19:48:07.724723+00:00",
  "toolchain": {
    "python": "3.14.3",
    "packages": {
      "geopandas": "1.2.0",
      "numpy": "2.5.4",
      "pyogrio": "0.13.0",
      "pyproj": "3.8.0",
      "rasterio": "1.5.2",
      "shapely": "2.2.0",
      "osmium": "4.3.2",
      "affine": "2.4.0"
    },
    "external_tools": {
      "ogr2ogr": "GDAL 3.13.3 \"Iowa City\", released 2026/08/13",
      "pmtiles": "pmtiles dev, commit none, built at unknown"
    }
  },
  "area_of_interest": {
    "description": "Current Winterthur-area extent; axis-aligned bounding box",
    "geometry": "axis-aligned bounding box",
    "bounds_wgs84": [
      8.58,
      47.38,
      8.92,
      47.63
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    "approx_size_km": [
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      27.8
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    "bounds_lv95": [
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      2711863.5386439487,
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  },
  "osm": {
    "source": "Geofabrik Switzerland extract",
    "source_url": "https://download.geofabrik.de/europe/switzerland.html",
    "snapshot_at": "2026-10-24T20:20:51Z",
    "generator": "osmium/1.16.0",
    "extract_config": {
      "all_tags": true,
      "ignored_tag_keys": [
        "created_by",
        "converted_by",
        "source",
        "time",
        "ele",
        "note",
        "todo",
        "openGeoDB:",
        "fixme",
        "FIXME"
      ]
    },
    "popup_tag_keys": {
      "exact": [
        "barrier",
        "bridge",
        "conveying",
        "handrail",
        "highway",
        "incline",
        "junction",
        "layer",
        "lit",
        "locked",
        "motorroad",
        "name",
        "ramp",
        "ref",
        "service",
        "smoothness",
        "step_count",
        "surface",
        "tracktype",
        "tunnel"
      ],
      "prefixes": [
        "access",
        "agricultural",
        "bicycle",
        "cycleway",
        "foot",
        "forestry",
        "handrail",
        "motor_vehicle",
        "motorbike",
        "motorcar",
        "motorcycle",
        "oneway",
        "ramp",
        "step",
        "vehicle"
      ]
    },
    "roadbike_defaults": {
      "ordinary_access_yes": [
        "cycleway",
        "living_street",
        "path",
        "primary",
        "primary_link",
        "residential",
        "secondary",
        "secondary_link",
        "service",
        "tertiary",
        "tertiary_link",
        "track",
        "unclassified"
      ],
      "bicycle_permission_required": [
        "footway",
        "pedestrian",
        "bridleway"
      ],
      "review_highway": [
        "trunk",
        "trunk_link",
        "other unclassified highway types"
      ],
      "excluded_highway": [
        "motorway",
        "motorway_link",
        "construction",
        "proposed",
        "steps"
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      "explicit_allowed_values": [
        "designated",
        "official",
        "permissive",
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      "excluded_access_values": [
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        "customers",
        "delivery",
        "destination",
        "dismount",
        "forestry",
        "no",
        "permit",
        "private",
        "use_sidepath"
      ],
      "motorroad_yes": "excluded; motor_vehicle=no alone does not deny bicycle access",
      "conditional_rules": "not evaluated; effective conditional access or direction remains review",
      "surface_paved": [
        "asphalt",
        "cobblestone",
        "concrete",
        "concrete:lanes",
        "concrete:plates",
        "paved",
        "paving_stones",
        "sett",
        "unhewn_cobblestone"
      ],
      "surface_unpaved": [
        "compacted",
        "dirt",
        "earth",
        "fine_gravel",
        "grass",
        "grass_paver",
        "gravel",
        "ground",
        "mud",
        "pebblestone",
        "sand",
        "unpaved",
        "woodchips"
      ]
    },
    "running_defaults": {
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        "footway",
        "living_street",
        "path",
        "pedestrian",
        "platform",
        "primary",
        "primary_link",
        "residential",
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        "secondary_link",
        "service",
        "steps",
        "tertiary",
        "tertiary_link",
        "track",
        "unclassified"
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      "explicit_allowed_values": [
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      "excluded_access_values": [
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        "private",
        "use_sidepath"
      ],
      "trunk_or_cycleway_without_foot_permission": "review",
      "surface_classes": [
        "paved",
        "unpaved",
        "unknown"
      ],
      "score": null
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  "elevation": {
    "source": "Kanton Zürich DTM WCS",
    "source_url": "https://wms.zh.ch/DEMWCS",
    "coverage_id": "dtm_5m_52764d7d76",
    "product_survey_epoch": "2021/22",
    "product_metadata_resolution_m": 0.25,
    "wcs_coverage_advertised_resolution_m": 0.5,
    "mosaic_resolution_m": 5,
    "sample_spacing_m": 5,
    "smoothing_window_m": 10,
    "max_segment_length_m": 100,
    "grade_method": "For accessible or review features in either view except stairs: bilinear DTM samples every 5 m, centred 10 m mean smoothing, then endpoint elevation difference over each map segment (at most 100 m). Not a surveyed road/deck grade."
  },
  "datasets": {
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      "Kanton Zürich DTM WCS"
    ],
    "downloaded_not_used": [
      {
        "name": "Kanton Zürich Veloinfrastruktur",
        "source_url": "https://maps.zh.ch/wfs/VeloinfrastrukturZHWFS",
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          "gis/input/velo_radstreifen.geojson"
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        "reason": "Not included in published map."
      }
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    "not_downloaded_or_used": [
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  "feature_counts": {
    "total": 173690,
    "roadbike_status": {
      "yes": 45138,
      "no": 85872,
      "review": 42680
    },
    "running_foot_access": {
      "yes": 162232,
      "no": 10519,
      "review": 939
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  },
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    "local_modified_at": "2026-10-25T19:48:07.598285+00:00"
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  "known_limitations": [
    "A mapped-data planning profile, not legal verification or field survey.",
    "Conditional access is not evaluated; unknown tags remain review cases.",
    "Barrier data is incomplete; only explicitly tagged nodes with exact way membership are considered.",
    "Missing surfaces, bridge decks, and tunnel grades are not inferred.",
    "Running view shows foot-accessible OSM network and mapped surface class; no running score or route legality."
  ]
}