{
 "ocl_version": "0.1.0",
 "name": "Bennett Road",
 "slug": "bennett-road-4",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.25065044588348,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 74.0,
   "end_distance_m": 76.0,
   "start_elevation_m": 355.0949803580265,
   "end_elevation_m": 355.53999336694415,
   "min_gradient_pct": -17.07386215143174
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.97487536780045,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 74.0,
   "end_distance_m": 77.0,
   "start_elevation_m": 355.0949803580265,
   "end_elevation_m": 355.7542266190605,
   "min_gradient_pct": -16.899044745832725
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.492608603456347,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 73.0,
   "end_distance_m": 78.0,
   "start_elevation_m": 354.8868748678682,
   "end_elevation_m": 355.961505298041,
   "min_gradient_pct": -16.308254324103473
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.382965299708303,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 73.0,
   "end_distance_m": 83.0,
   "start_elevation_m": 354.8868748678682,
   "end_elevation_m": 357.025171397839,
   "min_gradient_pct": -16.023699870382302
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.156420911029556,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 68.0,
   "end_distance_m": 88.0,
   "start_elevation_m": 353.8498666220479,
   "end_elevation_m": 358.0811508042538,
   "min_gradient_pct": -15.694419081690114
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.939778805895457,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 68.0,
   "end_distance_m": 93.0,
   "start_elevation_m": 353.8498666220479,
   "end_elevation_m": 359.08481132352176,
   "min_gradient_pct": -15.57921696984522
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.513394829351228,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 51.0,
   "end_distance_m": 101.0,
   "start_elevation_m": 350.78522539937103,
   "end_elevation_m": 360.54192281404664,
   "min_gradient_pct": -14.377198916095267
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.138503835573317,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 10.0,
   "end_distance_m": 110.0,
   "start_elevation_m": 343.8457659378174,
   "end_elevation_m": 361.98426977339074,
   "min_gradient_pct": -11.942591617689288
  }
 ],
 "shape": {
  "ascent_concentration": 0.537,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 192.0,
  "shape_class": "stepped"
 },
 "length_m": 2183.6814399578784,
 "start_elevation_m": 342.8460668266559,
 "end_elevation_m": 407.7768192099511,
 "endpoint_gain_m": 64.93075238329521,
 "overall_gradient_pct": 2.973453508152163,
 "accumulated_ascent_m": 112.65848316468981,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.492608603456347,
   "start_distance_m": 73.0,
   "end_distance_m": 78.0,
   "midpoint_distance_m": 75.5,
   "start_elevation_m": 354.8868748678682,
   "end_elevation_m": 355.961505298041,
   "start_xy": [
    415420.9456106271,
    4615451.117270148
   ],
   "end_xy": [
    415415.9810980571,
    4615450.522614835
   ]
  },
  "max_10m": {
   "gradient_pct": 21.382965299708303,
   "start_distance_m": 73.0,
   "end_distance_m": 83.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 354.8868748678682,
   "end_elevation_m": 357.025171397839,
   "start_xy": [
    415420.9456106271,
    4615451.117270148
   ],
   "end_xy": [
    415411.01658548706,
    4615449.927959521
   ]
  },
  "max_20m": {
   "gradient_pct": 21.156420911029556,
   "start_distance_m": 68.0,
   "end_distance_m": 88.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 353.8498666220479,
   "end_elevation_m": 358.0811508042538,
   "start_xy": [
    415425.9101231972,
    4615451.711925462
   ],
   "end_xy": [
    415406.05207291705,
    4615449.333304208
   ]
  },
  "max_25m": {
   "gradient_pct": 20.939778805895457,
   "start_distance_m": 68.0,
   "end_distance_m": 93.0,
   "midpoint_distance_m": 80.5,
   "start_elevation_m": 353.8498666220479,
   "end_elevation_m": 359.08481132352176,
   "start_xy": [
    415425.9101231972,
    4615451.711925462
   ],
   "end_xy": [
    415401.087560347,
    4615448.738648894
   ]
  },
  "max_50m": {
   "gradient_pct": 19.513394829351228,
   "start_distance_m": 51.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 76.0,
   "start_elevation_m": 350.78522539937103,
   "end_elevation_m": 360.54192281404664,
   "start_xy": [
    415442.7894659353,
    4615453.733753528
   ],
   "end_xy": [
    415393.1443402349,
    4615447.787200392
   ]
  },
  "max_100m": {
   "gradient_pct": 18.138503835573317,
   "start_distance_m": 10.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 60.0,
   "start_elevation_m": 343.8457659378174,
   "end_elevation_m": 361.98426977339074,
   "start_xy": [
    415483.29355139873,
    4615460.013046247
   ],
   "end_xy": [
    415384.2082176089,
    4615446.716820829
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -16.308254324103473,
   "start_distance_m": 716.0,
   "end_distance_m": 721.0,
   "midpoint_distance_m": 718.5,
   "start_elevation_m": 394.50182948292854,
   "end_elevation_m": 393.68641676672337,
   "start_xy": [
    414783.3066665514,
    4615425.589177279
   ],
   "end_xy": [
    414778.3462311631,
    4615424.961418759
   ]
  },
  "min_10m": {
   "gradient_pct": -16.023699870382302,
   "start_distance_m": 711.0,
   "end_distance_m": 721.0,
   "midpoint_distance_m": 716.0,
   "start_elevation_m": 395.2887867537616,
   "end_elevation_m": 393.68641676672337,
   "start_xy": [
    414788.26710193965,
    4615426.216935798
   ],
   "end_xy": [
    414778.3462311631,
    4615424.961418759
   ]
  },
  "min_20m": {
   "gradient_pct": -15.694419081690114,
   "start_distance_m": 710.0,
   "end_distance_m": 730.0,
   "midpoint_distance_m": 720.0,
   "start_elevation_m": 395.43783189085747,
   "end_elevation_m": 392.29894807451944,
   "start_xy": [
    414789.2591890173,
    4615426.342487502
   ],
   "end_xy": [
    414769.41744746413,
    4615423.831453424
   ]
  },
  "min_25m": {
   "gradient_pct": -15.57921696984522,
   "start_distance_m": 705.0,
   "end_distance_m": 730.0,
   "midpoint_distance_m": 717.5,
   "start_elevation_m": 396.19375231698075,
   "end_elevation_m": 392.29894807451944,
   "start_xy": [
    414794.2196244056,
    4615426.970246021
   ],
   "end_xy": [
    414769.41744746413,
    4615423.831453424
   ]
  },
  "min_50m": {
   "gradient_pct": -14.377198916095267,
   "start_distance_m": 693.0,
   "end_distance_m": 743.0,
   "midpoint_distance_m": 718.0,
   "start_elevation_m": 397.8267747156351,
   "end_elevation_m": 390.6381752575875,
   "start_xy": [
    414806.12466933747,
    4615428.476866468
   ],
   "end_xy": [
    414756.52031545463,
    4615422.199281274
   ]
  },
  "min_100m": {
   "gradient_pct": -11.942591617689288,
   "start_distance_m": 682.0,
   "end_distance_m": 782.0,
   "midpoint_distance_m": 732.0,
   "start_elevation_m": 398.91406528306976,
   "end_elevation_m": 386.9714736653805,
   "start_xy": [
    414817.03762719175,
    4615429.85793521
   ],
   "end_xy": [
    414717.8966789088,
    4615416.840372766
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.25065044588348,
   "start_distance_m": 74.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 75.0,
   "start_elevation_m": 355.0949803580265,
   "end_elevation_m": 355.53999336694415,
   "start_xy": [
    415419.9527081131,
    4615450.998339086
   ],
   "end_xy": [
    415417.9669030851,
    4615450.760476961
   ]
  },
  "max_3m": {
   "gradient_pct": 21.97487536780045,
   "start_distance_m": 74.0,
   "end_distance_m": 77.0,
   "midpoint_distance_m": 75.5,
   "start_elevation_m": 355.0949803580265,
   "end_elevation_m": 355.7542266190605,
   "start_xy": [
    415419.9527081131,
    4615450.998339086
   ],
   "end_xy": [
    415416.9740005711,
    4615450.641545898
   ]
  }
 },
 "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": {
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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/pa/USGS_1M_18_x41y462_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T14:43:08+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "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_Northcentral_2019_B19 (collected 2019)",
  "elevation_tile_ids": [
   "x41y462"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_Northcentral_2019_B19: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Auburn",
  "county": "Pennsylvania"
 }
}