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  "structure_own_ways": 4,
  "structure_mask_ranges_m": [
   [
    2926.6,
    2954.5
   ]
  ],
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   "stations_resolved": 366,
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   "width_at_max25_m": 2.5,
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   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Chan\u00e9ac",
  "county": "Ard\u00e8che",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}