{
 "ocl_version": "0.1.0",
 "name": "Hulings Run Road",
 "slug": "hulings-run-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.08356894312351,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 635.0,
   "end_distance_m": 637.0,
   "start_elevation_m": 354.0722580951135,
   "end_elevation_m": 354.493929473976,
   "min_gradient_pct": -19.43657567645971,
   "suppressed_max_gradient_pct": 46.3725581280471,
   "suppressed_location_m": [
    602.0,
    604.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.623039034938,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 635.0,
   "end_distance_m": 638.0,
   "start_elevation_m": 354.0722580951135,
   "end_elevation_m": 354.66094926616165,
   "min_gradient_pct": -18.02952215946713,
   "suppressed_max_gradient_pct": 41.592915295204115,
   "suppressed_location_m": [
    601.0,
    604.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 17.791217830175583,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 578.0,
   "end_distance_m": 583.0,
   "start_elevation_m": 345.7158561523258,
   "end_elevation_m": 346.60541704383456,
   "min_gradient_pct": -13.655315526526692,
   "suppressed_max_gradient_pct": 37.43647273658553,
   "suppressed_location_m": [
    600.0,
    605.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.369058201818802,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "start_elevation_m": 344.80733245120314,
   "end_elevation_m": 346.444238271385,
   "min_gradient_pct": -9.279877858944587,
   "suppressed_max_gradient_pct": 32.749200541987875,
   "suppressed_location_m": [
    597.0,
    607.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.865127819548718,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 564.0,
   "end_distance_m": 584.0,
   "start_elevation_m": 343.75111464341876,
   "end_elevation_m": 346.7241402073285,
   "min_gradient_pct": -4.052525568020826,
   "suppressed_max_gradient_pct": 26.01022991338226,
   "suppressed_location_m": [
    591.0,
    611.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.343915331280414,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 559.0,
   "end_distance_m": 584.0,
   "start_elevation_m": 343.1381613745084,
   "end_elevation_m": 346.7241402073285,
   "min_gradient_pct": -3.977391570753298,
   "suppressed_max_gradient_pct": 23.741169588943194,
   "suppressed_location_m": [
    587.0,
    612.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.645562426689935,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 534.0,
   "end_distance_m": 584.0,
   "start_elevation_m": 340.40135899398354,
   "end_elevation_m": 346.7241402073285,
   "min_gradient_pct": -3.6041655191019117,
   "suppressed_max_gradient_pct": 19.376722105200088,
   "suppressed_location_m": [
    567.0,
    617.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 8.979895423734888,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 654.0,
   "end_distance_m": 754.0,
   "start_elevation_m": 353.9801145884238,
   "end_elevation_m": 362.9600100121587,
   "min_gradient_pct": -1.9358793567558905,
   "suppressed_max_gradient_pct": 14.597441398011142,
   "suppressed_location_m": [
    518.0,
    618.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.499,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 82.0,
  "shape_class": "stepped"
 },
 "length_m": 879.3551667860628,
 "start_elevation_m": 326.2246580520734,
 "end_elevation_m": 370.8009437409095,
 "endpoint_gain_m": 44.576285688836094,
 "overall_gradient_pct": 5.069201543644424,
 "accumulated_ascent_m": 48.4393768219839,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 17.791217830175583,
   "start_distance_m": 578.0,
   "end_distance_m": 583.0,
   "midpoint_distance_m": 580.5,
   "start_elevation_m": 345.7158561523258,
   "end_elevation_m": 346.60541704383456,
   "start_xy": [
    619269.981738464,
    4534186.386082978
   ],
   "end_xy": [
    619266.3476161385,
    4534182.951967382
   ]
  },
  "max_10m": {
   "gradient_pct": 16.369058201818802,
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "midpoint_distance_m": 577.0,
   "start_elevation_m": 344.80733245120314,
   "end_elevation_m": 346.444238271385,
   "start_xy": [
    619274.3426798341,
    4534190.507027574
   ],
   "end_xy": [
    619267.0749300247,
    4534183.638272348
   ]
  },
  "max_20m": {
   "gradient_pct": 14.865127819548718,
   "start_distance_m": 564.0,
   "end_distance_m": 584.0,
   "midpoint_distance_m": 574.0,
   "start_elevation_m": 343.75111464341876,
   "end_elevation_m": 346.7241402073285,
   "start_xy": [
    619280.1577583019,
    4534196.001101724
   ],
   "end_xy": [
    619265.6207970938,
    4534182.265138381
   ]
  },
  "max_25m": {
   "gradient_pct": 14.343915331280414,
   "start_distance_m": 559.0,
   "end_distance_m": 584.0,
   "midpoint_distance_m": 571.5,
   "start_elevation_m": 343.1381613745084,
   "end_elevation_m": 346.7241402073285,
   "start_xy": [
    619284.0971666333,
    4534199.079728299
   ],
   "end_xy": [
    619265.6207970938,
    4534182.265138381
   ]
  },
  "max_50m": {
   "gradient_pct": 12.645562426689935,
   "start_distance_m": 534.0,
   "end_distance_m": 584.0,
   "midpoint_distance_m": 559.0,
   "start_elevation_m": 340.40135899398354,
   "end_elevation_m": 346.7241402073285,
   "start_xy": [
    619307.0980555387,
    4534207.702648574
   ],
   "end_xy": [
    619265.6207970938,
    4534182.265138381
   ]
  },
  "max_100m": {
   "gradient_pct": 8.979895423734888,
   "start_distance_m": 654.0,
   "end_distance_m": 754.0,
   "midpoint_distance_m": 704.0,
   "start_elevation_m": 353.9801145884238,
   "end_elevation_m": 362.9600100121587,
   "start_xy": [
    619214.067783358,
    4534134.916041668
   ],
   "end_xy": [
    619158.476109527,
    4534052.113772906
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.655315526526692,
   "start_distance_m": 643.0,
   "end_distance_m": 648.0,
   "midpoint_distance_m": 645.5,
   "start_elevation_m": 354.68476853392053,
   "end_elevation_m": 354.0020027575942,
   "start_xy": [
    619222.2060588878,
    4534142.3166048275
   ],
   "end_xy": [
    619218.5060420299,
    4534138.953589519
   ]
  },
  "min_10m": {
   "gradient_pct": -9.279877858944587,
   "start_distance_m": 641.0,
   "end_distance_m": 651.0,
   "midpoint_distance_m": 646.0,
   "start_elevation_m": 354.77660859392154,
   "end_elevation_m": 353.8486208080271,
   "start_xy": [
    619223.6856669147,
    4534143.662248873
   ],
   "end_xy": [
    619216.2856385877,
    4534136.936214553
   ]
  },
  "min_20m": {
   "gradient_pct": -4.052525568020826,
   "start_distance_m": 49.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 59.0,
   "start_elevation_m": 328.5050232722236,
   "end_elevation_m": 327.6945181586194,
   "start_xy": [
    619787.9422991221,
    4534234.448126923
   ],
   "end_xy": [
    619767.9495637595,
    4534234.987119778
   ]
  },
  "min_25m": {
   "gradient_pct": -3.977391570753298,
   "start_distance_m": 59.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 71.5,
   "start_elevation_m": 328.17411573746216,
   "end_elevation_m": 327.17976784477383,
   "start_xy": [
    619777.9459178388,
    4534234.717110329
   ],
   "end_xy": [
    619752.9575679179,
    4534234.985818102
   ]
  },
  "min_50m": {
   "gradient_pct": -3.6041655191019117,
   "start_distance_m": 45.0,
   "end_distance_m": 95.0,
   "midpoint_distance_m": 70.0,
   "start_elevation_m": 328.590165944812,
   "end_elevation_m": 326.78808318526103,
   "start_xy": [
    619791.9408404642,
    4534234.34011242
   ],
   "end_xy": [
    619741.9668998303,
    4534234.532831725
   ]
  },
  "min_100m": {
   "gradient_pct": -1.9358793567558905,
   "start_distance_m": 35.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 328.69833004164605,
   "end_elevation_m": 326.76245068489015,
   "start_xy": [
    619801.9371952664,
    4534234.070129728
   ],
   "end_xy": [
    619702.0727897155,
    4534235.933448984
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.08356894312351,
   "start_distance_m": 635.0,
   "end_distance_m": 637.0,
   "midpoint_distance_m": 636.0,
   "start_elevation_m": 354.0722580951135,
   "end_elevation_m": 354.493929473976,
   "start_xy": [
    619228.125034796,
    4534147.69858295
   ],
   "end_xy": [
    619226.6453854144,
    4534146.352984303
   ]
  },
  "max_3m": {
   "gradient_pct": 19.623039034938,
   "start_distance_m": 635.0,
   "end_distance_m": 638.0,
   "midpoint_distance_m": 636.5,
   "start_elevation_m": 354.0722580951135,
   "end_elevation_m": 354.66094926616165,
   "start_xy": [
    619228.125034796,
    4534147.69858295
   ],
   "end_xy": [
    619225.9055728295,
    4534145.680171311
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "texture_suppression": {
   "masked_fraction": 0.034,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 587.0,
     "end_m": 612.0,
     "raw_pct": 23.74,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 591.0,
     "end_m": 611.0,
     "raw_pct": 26.01,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 597.0,
     "end_m": 607.0,
     "raw_pct": 32.75,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 600.0,
     "end_m": 605.0,
     "raw_pct": 37.44,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    585.0,
    614.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "8f4becd2ed8ab26772f5cd961ca7d1d0c2823252",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "remeasure-valley-260921-us",
   "road_pbf": "batch-usa-pa-west-chunk000.pbf",
   "region_key": "usa-pa-west",
   "crs": "EPSG:26917",
   "elevation_provider_key": "usa3dep",
   "authority": "usa-inventory",
   "registry_pbf": "pennsylvania-2026-09-07.osm.pbf",
   "tile_index_snapshot": "sha256:49ddf866ab7af01f"
  },
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x61y454_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-22T00:32:49+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/valley-260921/us/batch-usa-pa-west-chunk000.pbf",
  "osm_snapshot": "",
  "run_id": "remeasure-valley-260921-us",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, PA_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x61y454"
  ],
  "route_base_cut_m": 540.0,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_WesternPA_2019_D20: HTTP Error 404: Not Found",
  "structure_own_ways": 1,
  "structure_own_ways_source": "map-matched to the road network: the entry carried no way list, so the ways the route runs along were found by geometry (ukclimb.batch.own_ways_by_geometry)",
  "prior_doc": {
   "slug": "hulings-run-road",
   "calculated_at": "2026-09-12T01:16:16+00:00",
   "code_git_sha": null,
   "analysis_version": "0.1.0",
   "run_id": "texture-us-pa-260912",
   "path": "/root/uk-climbs/output/valley-260921/us/priors/hulings-run-road/hulings-run-road.json",
   "spans": 5,
   "sources": [
    "excluded_ranges_m",
    "texture"
   ]
  },
  "carriageway": {
   "stations": 42,
   "stations_resolved": 42,
   "width_median_m": 6.38,
   "width_p10_m": 2.75,
   "width_min_m": 2.0,
   "width_max_m": 11.25,
   "bounded_share": 0.214,
   "unbounded_share": 0.786,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.75,
   "window_m": [
    559.0,
    584.0
   ],
   "width_at_max25_m": 8.75,
   "window_stations": 7,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "status": "unavailable \u2014 no DSM raster (surface model absent or point-cloud only, which cannot serve off-line samples)"
   }
  },
  "remeasured": {
   "on": "2026-09-22",
   "why": "valley-crossing extent re-measure 2026-09-22: low-to-summit (540.0 m -> 1419.0 m)",
   "published_max25_pct": 14.34,
   "max25_pct": 14.34
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Washington",
  "county": "Pennsylvania"
 }
}