{
 "ocl_version": "0.1.0",
 "name": "Hines Road",
 "slug": "hines-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 51.40420655673665,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 549.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 458.9350966829327,
   "end_elevation_m": 459.9631808140674,
   "min_gradient_pct": -41.55979569908936,
   "suppressed_max_gradient_pct": 57.6381923399083,
   "suppressed_location_m": [
    617.0,
    619.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 46.471347852881685,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 458.56904037848096,
   "end_elevation_m": 459.9631808140674,
   "min_gradient_pct": -39.559203105720066,
   "suppressed_max_gradient_pct": 55.48631164824087,
   "suppressed_location_m": [
    616.0,
    619.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 42.302957301228616,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 572.0,
   "end_distance_m": 577.0,
   "start_elevation_m": 465.45363645111763,
   "end_elevation_m": 467.56878431617906,
   "min_gradient_pct": -33.32253591072913,
   "suppressed_max_gradient_pct": 51.81435191317405,
   "suppressed_location_m": [
    615.0,
    620.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 37.327872529988326,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 568.0,
   "end_distance_m": 578.0,
   "start_elevation_m": 464.1388103806162,
   "end_elevation_m": 467.871597633615,
   "min_gradient_pct": -29.810468101045444,
   "suppressed_max_gradient_pct": 41.45553602433438,
   "suppressed_location_m": [
    612.0,
    622.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 31.335495782999203,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 557.0,
   "end_distance_m": 577.0,
   "start_elevation_m": 461.3016851595792,
   "end_elevation_m": 467.56878431617906,
   "min_gradient_pct": -22.80823952414636,
   "suppressed_max_gradient_pct": 35.84895824403759,
   "suppressed_location_m": [
    569.0,
    589.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 30.555093418544175,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 554.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 460.4901617020857,
   "end_elevation_m": 468.12893505672173,
   "min_gradient_pct": -22.10482947361993,
   "suppressed_max_gradient_pct": 34.18978351520127,
   "suppressed_location_m": [
    564.0,
    589.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 27.06249128794093,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 529.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 454.59768941275127,
   "end_elevation_m": 468.12893505672173,
   "min_gradient_pct": -17.304279803857412,
   "suppressed_max_gradient_pct": 31.242863753211168,
   "suppressed_location_m": [
    571.0,
    621.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 23.157794300360706,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure",
    "no_bench_excluded"
   ],
   "start_distance_m": 479.0,
   "end_distance_m": 579.0,
   "start_elevation_m": 444.971140756361,
   "end_elevation_m": 468.12893505672173,
   "min_gradient_pct": -10.643151135579387,
   "suppressed_max_gradient_pct": 29.68913536230002,
   "suppressed_location_m": [
    548.0,
    648.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.702,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 272.0,
  "shape_class": "stinger"
 },
 "length_m": 3240.494254485059,
 "start_elevation_m": 411.92003350372045,
 "end_elevation_m": 443.103942936396,
 "endpoint_gain_m": 31.183909432675534,
 "overall_gradient_pct": 0.9623195409007418,
 "accumulated_ascent_m": 145.35971909008816,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 42.302957301228616,
   "start_distance_m": 572.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 574.5,
   "start_elevation_m": 465.45363645111763,
   "end_elevation_m": 467.56878431617906,
   "start_xy": [
    707140.9968231805,
    4939250.79328537
   ],
   "end_xy": [
    707140.9889195369,
    4939255.7932791235
   ]
  },
  "max_10m": {
   "gradient_pct": 37.327872529988326,
   "start_distance_m": 568.0,
   "end_distance_m": 578.0,
   "midpoint_distance_m": 573.0,
   "start_elevation_m": 464.1388103806162,
   "end_elevation_m": 467.871597633615,
   "start_xy": [
    707141.0031460952,
    4939246.793290367
   ],
   "end_xy": [
    707140.9873388082,
    4939256.793277874
   ]
  },
  "max_20m": {
   "gradient_pct": 31.335495782999203,
   "start_distance_m": 557.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 567.0,
   "start_elevation_m": 461.3016851595792,
   "end_elevation_m": 467.56878431617906,
   "start_xy": [
    707141.0205341111,
    4939235.793304111
   ],
   "end_xy": [
    707140.9889195369,
    4939255.7932791235
   ]
  },
  "max_25m": {
   "gradient_pct": 30.555093418544175,
   "start_distance_m": 554.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 566.5,
   "start_elevation_m": 460.4901617020857,
   "end_elevation_m": 468.12893505672173,
   "start_xy": [
    707141.0252762971,
    4939232.7933078585
   ],
   "end_xy": [
    707140.9857580794,
    4939257.793276625
   ]
  },
  "max_50m": {
   "gradient_pct": 27.06249128794093,
   "start_distance_m": 529.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 554.0,
   "start_elevation_m": 454.59768941275127,
   "end_elevation_m": 468.12893505672173,
   "start_xy": [
    707141.0647945148,
    4939207.793339092
   ],
   "end_xy": [
    707140.9857580794,
    4939257.793276625
   ]
  },
  "max_100m": {
   "gradient_pct": 23.157794300360706,
   "start_distance_m": 479.0,
   "end_distance_m": 579.0,
   "midpoint_distance_m": 529.0,
   "start_elevation_m": 444.971140756361,
   "end_elevation_m": 468.12893505672173,
   "start_xy": [
    707141.14383095,
    4939157.79340156
   ],
   "end_xy": [
    707140.9857580794,
    4939257.793276625
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -33.32253591072913,
   "start_distance_m": 759.0,
   "end_distance_m": 764.0,
   "midpoint_distance_m": 761.5,
   "start_elevation_m": 502.5229533401782,
   "end_elevation_m": 500.85682654464176,
   "start_xy": [
    707140.7012269126,
    4939437.793051741
   ],
   "end_xy": [
    707140.693323269,
    4939442.793045495
   ]
  },
  "min_10m": {
   "gradient_pct": -29.810468101045444,
   "start_distance_m": 758.0,
   "end_distance_m": 768.0,
   "midpoint_distance_m": 763.0,
   "start_elevation_m": 502.79966112457123,
   "end_elevation_m": 499.8186143144667,
   "start_xy": [
    707140.7028076412,
    4939436.793052991
   ],
   "end_xy": [
    707140.6870003542,
    4939446.793040497
   ]
  },
  "min_20m": {
   "gradient_pct": -22.80823952414636,
   "start_distance_m": 759.0,
   "end_distance_m": 779.0,
   "midpoint_distance_m": 769.0,
   "start_elevation_m": 502.5229533401782,
   "end_elevation_m": 497.96130543534895,
   "start_xy": [
    707140.7012269126,
    4939437.793051741
   ],
   "end_xy": [
    707140.6696123384,
    4939457.793026755
   ]
  },
  "min_25m": {
   "gradient_pct": -22.10482947361993,
   "start_distance_m": 754.0,
   "end_distance_m": 779.0,
   "midpoint_distance_m": 766.5,
   "start_elevation_m": 503.48751280375393,
   "end_elevation_m": 497.96130543534895,
   "start_xy": [
    707140.7091305561,
    4939432.793057988
   ],
   "end_xy": [
    707140.6696123384,
    4939457.793026755
   ]
  },
  "min_50m": {
   "gradient_pct": -17.304279803857412,
   "start_distance_m": 740.0,
   "end_distance_m": 790.0,
   "midpoint_distance_m": 765.0,
   "start_elevation_m": 505.09459890436193,
   "end_elevation_m": 496.4424590024332,
   "start_xy": [
    707140.7312607579,
    4939418.793075479
   ],
   "end_xy": [
    707140.6522243227,
    4939468.793013011
   ]
  },
  "min_100m": {
   "gradient_pct": -10.643151135579387,
   "start_distance_m": 1628.0,
   "end_distance_m": 1728.0,
   "midpoint_distance_m": 1678.0,
   "start_elevation_m": 454.416547447302,
   "end_elevation_m": 443.7733963117226,
   "start_xy": [
    707302.5142209078,
    4940247.587596443
   ],
   "end_xy": [
    707345.97058618,
    4940337.322119377
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 51.40420655673665,
   "start_distance_m": 549.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 550.0,
   "start_elevation_m": 458.9350966829327,
   "end_elevation_m": 459.9631808140674,
   "start_xy": [
    707141.0331799407,
    4939227.793314105
   ],
   "end_xy": [
    707141.0300184833,
    4939229.793311606
   ]
  },
  "max_3m": {
   "gradient_pct": 46.471347852881685,
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 549.5,
   "start_elevation_m": 458.56904037848096,
   "end_elevation_m": 459.9631808140674,
   "start_xy": [
    707141.0347606693,
    4939226.793315355
   ],
   "end_xy": [
    707141.0300184833,
    4939229.793311606
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.387,
   "obstruction_max_height_m": 29.75,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "no_bench_suppression": {
   "masked_fraction": 0.09,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    260.0,
    310.0
   ],
   [
    580.0,
    820.0
   ]
  ],
  "review": [],
  "extent": [],
  "suggested_summit_cut_m": 734.0,
  "trailing_descent_m": 62.5
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/vt/USGS_1M_18_x70y494_VT_Statewide_A23.tif",
   "data/cache/usa/vt/USGS_1M_18_x70y495_VT_Statewide_A23.tif"
  ],
  "calculated_at": "2026-08-24T20:26:07+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/vermont-260821.osm.pbf",
  "osm_snapshot": "2026-08-21T20:21:11Z",
  "run_id": "redo-vt-1-260824",
  "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, VT_Statewide_A23 (collected 2023)",
  "elevation_tile_ids": [
   "x70y494",
   "x70y495"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 25.1% over 200 m (Terrain 50), gain 30.8 m over 3240 m way. KEPT at seed extent: no ascending continuation (min_avg=2.0%). ADOPTED (NE wave 1, 2026-08-25): qualified-steep. Wales dials per PRODUCTION 'US ADOPTION DIALS'.",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/VT_Statewide_1_A23",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Wolcott",
  "county": "Vermont"
 }
}