{
 "ocl_version": "0.1.0",
 "name": "Succasunna Road",
 "slug": "succasunna-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.96094941572801,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 254.0,
   "end_distance_m": 256.0,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.2220201982366,
   "min_gradient_pct": -4.126716072710224
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 36.10499798286734,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 254.0,
   "end_distance_m": 257.0,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.48595114940804,
   "min_gradient_pct": -3.5755738599846154
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.819570570795122,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 254.0,
   "end_distance_m": 259.0,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.8937797384618,
   "min_gradient_pct": -2.5461470948835085
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.49623994805006,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 227.0,
   "end_distance_m": 237.0,
   "start_elevation_m": 305.5599496829684,
   "end_elevation_m": 308.3095736777734,
   "min_gradient_pct": -0.4875620753074372
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.083311463058067,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 227.0,
   "end_distance_m": 247.0,
   "start_elevation_m": 305.5599496829684,
   "end_elevation_m": 310.57661197558,
   "min_gradient_pct": 0.22304002949937285
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.888877508567475,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 225.0,
   "end_distance_m": 250.0,
   "start_elevation_m": 305.22674089683073,
   "end_elevation_m": 311.1989602739726,
   "min_gradient_pct": 0.3609636181724909
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.663171286162196,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 225.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 305.22674089683073,
   "end_elevation_m": 315.05832653991183,
   "min_gradient_pct": 1.1594854178537162
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.1402773583647,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 195.0,
   "end_distance_m": 295.0,
   "start_elevation_m": 301.4760750667842,
   "end_elevation_m": 318.6163524251489,
   "min_gradient_pct": 2.3929583167881674
  }
 ],
 "shape": {
  "ascent_concentration": 0.437,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 87.0,
  "shape_class": "sustained"
 },
 "length_m": 831.0000000001727,
 "start_elevation_m": 289.1185258145131,
 "end_elevation_m": 345.8754499601744,
 "endpoint_gain_m": 56.756924145661344,
 "overall_gradient_pct": 6.829954770836287,
 "accumulated_ascent_m": 57.08150234526926,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.819570570795122,
   "start_distance_m": 254.0,
   "end_distance_m": 259.0,
   "midpoint_distance_m": 256.5,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.8937797384618,
   "start_xy": [
    529487.4277551112,
    4529624.010075854
   ],
   "end_xy": [
    529492.2966566299,
    4529622.872623437
   ]
  },
  "max_10m": {
   "gradient_pct": 27.49623994805006,
   "start_distance_m": 227.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 232.0,
   "start_elevation_m": 305.5599496829684,
   "end_elevation_m": 308.3095736777734,
   "start_xy": [
    529461.446605057,
    4529631.34154098
   ],
   "end_xy": [
    529471.1024486261,
    4529628.7483940385
   ]
  },
  "max_20m": {
   "gradient_pct": 25.083311463058067,
   "start_distance_m": 227.0,
   "end_distance_m": 247.0,
   "midpoint_distance_m": 237.0,
   "start_elevation_m": 305.5599496829684,
   "end_elevation_m": 310.57661197558,
   "start_xy": [
    529461.446605057,
    4529631.34154098
   ],
   "end_xy": [
    529480.7001383497,
    4529625.940485214
   ]
  },
  "max_25m": {
   "gradient_pct": 23.888877508567475,
   "start_distance_m": 225.0,
   "end_distance_m": 250.0,
   "midpoint_distance_m": 237.5,
   "start_elevation_m": 305.22674089683073,
   "end_elevation_m": 311.1989602739726,
   "start_xy": [
    529459.5059742498,
    4529631.825226901
   ],
   "end_xy": [
    529483.5794452667,
    4529625.098112566
   ]
  },
  "max_50m": {
   "gradient_pct": 19.663171286162196,
   "start_distance_m": 225.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 305.22674089683073,
   "end_elevation_m": 315.05832653991183,
   "start_xy": [
    529459.5059742498,
    4529631.825226901
   ],
   "end_xy": [
    529507.8771414899,
    4529619.232775703
   ]
  },
  "max_100m": {
   "gradient_pct": 17.1402773583647,
   "start_distance_m": 195.0,
   "end_distance_m": 295.0,
   "midpoint_distance_m": 245.0,
   "start_elevation_m": 301.4760750667842,
   "end_elevation_m": 318.6163524251489,
   "start_xy": [
    529430.6428356613,
    4529639.310455162
   ],
   "end_xy": [
    529527.0079894733,
    4529613.551264796
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.5461470948835085,
   "start_distance_m": 173.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 175.5,
   "start_elevation_m": 299.85525720166925,
   "end_elevation_m": 299.72794984692507,
   "start_xy": [
    529415.9842493208,
    4529655.534582809
   ],
   "end_xy": [
    529419.1039743017,
    4529651.627241507
   ]
  },
  "min_10m": {
   "gradient_pct": -0.4875620753074372,
   "start_distance_m": 168.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 173.0,
   "start_elevation_m": 299.7767060544558,
   "end_elevation_m": 299.72794984692507,
   "start_xy": [
    529412.5529814728,
    4529659.163753143
   ],
   "end_xy": [
    529419.1039743017,
    4529651.627241507
   ]
  },
  "min_20m": {
   "gradient_pct": 0.22304002949937285,
   "start_distance_m": 670.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 680.0,
   "start_elevation_m": 341.71167791408027,
   "end_elevation_m": 341.75628591998014,
   "start_xy": [
    529885.2304641593,
    4529507.657855441
   ],
   "end_xy": [
    529904.0837432549,
    4529500.982987102
   ]
  },
  "min_25m": {
   "gradient_pct": 0.3609636181724909,
   "start_distance_m": 667.0,
   "end_distance_m": 692.0,
   "midpoint_distance_m": 679.5,
   "start_elevation_m": 341.6666989476418,
   "end_elevation_m": 341.7569398521849,
   "start_xy": [
    529882.4024722949,
    4529508.659085692
   ],
   "end_xy": [
    529905.9690711644,
    4529500.315500268
   ]
  },
  "min_50m": {
   "gradient_pct": 1.1594854178537162,
   "start_distance_m": 649.0,
   "end_distance_m": 699.0,
   "midpoint_distance_m": 674.0,
   "start_elevation_m": 341.35430729805876,
   "end_elevation_m": 341.9340500069856,
   "start_xy": [
    529865.5861905704,
    4529515.076168557
   ],
   "end_xy": [
    529912.5677188479,
    4529497.97929635
   ]
  },
  "min_100m": {
   "gradient_pct": 2.3929583167881674,
   "start_distance_m": 634.0,
   "end_distance_m": 734.0,
   "midpoint_distance_m": 684.0,
   "start_elevation_m": 340.8659848996819,
   "end_elevation_m": 343.2589432164701,
   "start_xy": [
    529851.5949503052,
    4529520.484051307
   ],
   "end_xy": [
    529946.3608237762,
    4529491.199627535
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.96094941572801,
   "start_distance_m": 254.0,
   "end_distance_m": 256.0,
   "midpoint_distance_m": 255.0,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.2220201982366,
   "start_xy": [
    529487.4277551112,
    4529624.010075854
   ],
   "end_xy": [
    529489.3753157187,
    4529623.5550948875
   ]
  },
  "max_3m": {
   "gradient_pct": 36.10499798286734,
   "start_distance_m": 254.0,
   "end_distance_m": 257.0,
   "midpoint_distance_m": 255.5,
   "start_elevation_m": 311.402801209922,
   "end_elevation_m": 312.48595114940804,
   "start_xy": [
    529487.4277551112,
    4529624.010075854
   ],
   "end_xy": [
    529490.3490960224,
    4529623.327604404
   ]
  }
 },
 "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": 0.248,
   "obstruction_max_height_m": 22.99,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": []
 },
 "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/nj/USGS_1M_18_x52y453_NJ_NW_New_Jersey_6_County_Lidar_2017_B17.tif",
   "data/cache/usa/nj/USGS_1M_18_x53y453_NJ_NW_New_Jersey_6_County_Lidar_2017_B17.tif"
  ],
  "calculated_at": "2026-09-06T02:33:55+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/new-jersey-2026-09-06.osm.pbf",
  "osm_snapshot": "2026-09-04T20:21:21Z",
  "run_id": "nj-run2-260906",
  "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, NJ_NW_New_Jersey_6_County_Lidar_2017_B17 (collected 2017)",
  "elevation_tile_ids": [
   "x52y453",
   "x53y453"
  ],
  "route_summit_trim_m": 289.2,
  "route_summit_trim_loss_m": 7.9,
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NJ_NW6Co_2017",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.998,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Roxbury",
  "county": "New Jersey"
 }
}