{
 "ocl_version": "0.1.0",
 "name": "Mount Union Road",
 "slug": "mount-union-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.50531525806332,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1019.0,
   "end_distance_m": 1021.0,
   "start_elevation_m": 373.51095964364595,
   "end_elevation_m": 373.9810659488072,
   "min_gradient_pct": -4.687132355797985
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.267722894073966,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1019.0,
   "end_distance_m": 1022.0,
   "start_elevation_m": 373.51095964364595,
   "end_elevation_m": 374.20899133046817,
   "min_gradient_pct": -4.6459636949350624
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.964764620857068,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1026.0,
   "end_distance_m": 1031.0,
   "start_elevation_m": 375.0503631741474,
   "end_elevation_m": 376.19860140519023,
   "min_gradient_pct": -4.438960149431068
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.335002879461285,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1024.0,
   "end_distance_m": 1034.0,
   "start_elevation_m": 374.60988146320636,
   "end_elevation_m": 376.8433817511525,
   "min_gradient_pct": -4.269953804250122
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.140544986171733,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1014.0,
   "end_distance_m": 1034.0,
   "start_elevation_m": 372.41527275391815,
   "end_elevation_m": 376.8433817511525,
   "min_gradient_pct": -4.042698621632326
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.93250588035471,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1009.0,
   "end_distance_m": 1034.0,
   "start_elevation_m": 371.3602552810638,
   "end_elevation_m": 376.8433817511525,
   "min_gradient_pct": -3.9293984374437514
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.737631132019487,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 995.0,
   "end_distance_m": 1045.0,
   "start_elevation_m": 368.64676426686816,
   "end_elevation_m": 379.0155798328779,
   "min_gradient_pct": -3.4749852988223893
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.345406668807016,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 972.0,
   "end_distance_m": 1072.0,
   "start_elevation_m": 364.57582657912735,
   "end_elevation_m": 383.92123324793437,
   "min_gradient_pct": -2.123129639757792
  }
 ],
 "shape": {
  "ascent_concentration": 0.339,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 276.0,
  "shape_class": "sustained"
 },
 "length_m": 1771.1365251522257,
 "start_elevation_m": 276.19643253540016,
 "end_elevation_m": 434.94852517211245,
 "endpoint_gain_m": 158.7520926367123,
 "overall_gradient_pct": 8.963289412320593,
 "accumulated_ascent_m": 161.54923452275017,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.964764620857068,
   "start_distance_m": 1026.0,
   "end_distance_m": 1031.0,
   "midpoint_distance_m": 1028.5,
   "start_elevation_m": 375.0503631741474,
   "end_elevation_m": 376.19860140519023,
   "start_xy": [
    286581.4383490842,
    4419793.7506206315
   ],
   "end_xy": [
    286585.7994406904,
    4419791.324418101
   ]
  },
  "max_10m": {
   "gradient_pct": 22.335002879461285,
   "start_distance_m": 1024.0,
   "end_distance_m": 1034.0,
   "midpoint_distance_m": 1029.0,
   "start_elevation_m": 374.60988146320636,
   "end_elevation_m": 376.8433817511525,
   "start_xy": [
    286579.6634132917,
    4419794.6723597115
   ],
   "end_xy": [
    286588.20703637437,
    4419789.534590449
   ]
  },
  "max_20m": {
   "gradient_pct": 22.140544986171733,
   "start_distance_m": 1014.0,
   "end_distance_m": 1034.0,
   "midpoint_distance_m": 1024.0,
   "start_elevation_m": 372.41527275391815,
   "end_elevation_m": 376.8433817511525,
   "start_xy": [
    286570.56523250986,
    4419798.734907839
   ],
   "end_xy": [
    286588.20703637437,
    4419789.534590449
   ]
  },
  "max_25m": {
   "gradient_pct": 21.93250588035471,
   "start_distance_m": 1009.0,
   "end_distance_m": 1034.0,
   "midpoint_distance_m": 1021.5,
   "start_elevation_m": 371.3602552810638,
   "end_elevation_m": 376.8433817511525,
   "start_xy": [
    286565.7854681409,
    4419800.2025088
   ],
   "end_xy": [
    286588.20703637437,
    4419789.534590449
   ]
  },
  "max_50m": {
   "gradient_pct": 20.737631132019487,
   "start_distance_m": 995.0,
   "end_distance_m": 1045.0,
   "midpoint_distance_m": 1020.0,
   "start_elevation_m": 368.64676426686816,
   "end_elevation_m": 379.0155798328779,
   "start_xy": [
    286552.2122869337,
    4419803.55115803
   ],
   "end_xy": [
    286595.6739812214,
    4419781.630845613
   ]
  },
  "max_100m": {
   "gradient_pct": 19.345406668807016,
   "start_distance_m": 972.0,
   "end_distance_m": 1072.0,
   "midpoint_distance_m": 1022.0,
   "start_elevation_m": 364.57582657912735,
   "end_elevation_m": 383.92123324793437,
   "start_xy": [
    286529.48097784526,
    4419806.924967269
   ],
   "end_xy": [
    286602.936200577,
    4419756.355369752
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.438960149431068,
   "start_distance_m": 1655.0,
   "end_distance_m": 1660.0,
   "midpoint_distance_m": 1657.5,
   "start_elevation_m": 436.1255991701826,
   "end_elevation_m": 435.90365116271107,
   "start_xy": [
    286581.84435413143,
    4419509.172484782
   ],
   "end_xy": [
    286582.44202581834,
    4419514.136635117
   ]
  },
  "min_10m": {
   "gradient_pct": -4.269953804250122,
   "start_distance_m": 1651.0,
   "end_distance_m": 1661.0,
   "midpoint_distance_m": 1656.0,
   "start_elevation_m": 436.285010279404,
   "end_elevation_m": 435.858014898979,
   "start_xy": [
    286581.3662167819,
    4419505.201164513
   ],
   "end_xy": [
    286582.5615601557,
    4419515.129465184
   ]
  },
  "min_20m": {
   "gradient_pct": -4.042698621632326,
   "start_distance_m": 1651.0,
   "end_distance_m": 1671.0,
   "midpoint_distance_m": 1661.0,
   "start_elevation_m": 436.285010279404,
   "end_elevation_m": 435.4764705550775,
   "start_xy": [
    286581.3662167819,
    4419505.201164513
   ],
   "end_xy": [
    286585.0896297097,
    4419524.786953843
   ]
  },
  "min_25m": {
   "gradient_pct": -3.9293984374437514,
   "start_distance_m": 1646.0,
   "end_distance_m": 1671.0,
   "midpoint_distance_m": 1658.5,
   "start_elevation_m": 436.45882016443846,
   "end_elevation_m": 435.4764705550775,
   "start_xy": [
    286580.768545095,
    4419500.237014177
   ],
   "end_xy": [
    286585.0896297097,
    4419524.786953843
   ]
  },
  "min_50m": {
   "gradient_pct": -3.4749852988223893,
   "start_distance_m": 1628.0,
   "end_distance_m": 1678.0,
   "midpoint_distance_m": 1653.0,
   "start_elevation_m": 437.02221292297287,
   "end_elevation_m": 435.2847202735617,
   "start_xy": [
    286577.9697817275,
    4419482.463152766
   ],
   "end_xy": [
    286587.28998962924,
    4419531.416990228
   ]
  },
  "min_100m": {
   "gradient_pct": -2.123129639757792,
   "start_distance_m": 1612.0,
   "end_distance_m": 1712.0,
   "midpoint_distance_m": 1662.0,
   "start_elevation_m": 437.1348715051372,
   "end_elevation_m": 435.0117418653794,
   "start_xy": [
    286574.863670111,
    4419466.773307662
   ],
   "end_xy": [
    286611.2248453338,
    4419553.137952095
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.50531525806332,
   "start_distance_m": 1019.0,
   "end_distance_m": 1021.0,
   "midpoint_distance_m": 1020.0,
   "start_elevation_m": 373.51095964364595,
   "end_elevation_m": 373.9810659488072,
   "start_xy": [
    286575.2260738105,
    4419796.976707413
   ],
   "end_xy": [
    286577.001009603,
    4419796.054968332
   ]
  },
  "max_3m": {
   "gradient_pct": 23.267722894073966,
   "start_distance_m": 1019.0,
   "end_distance_m": 1022.0,
   "midpoint_distance_m": 1020.5,
   "start_elevation_m": 373.51095964364595,
   "end_elevation_m": 374.20899133046817,
   "start_xy": [
    286575.2260738105,
    4419796.976707413
   ],
   "end_xy": [
    286577.8884774992,
    4419795.594098792
   ]
  }
 },
 "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": []
 },
 "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_one_meter_x28y442_PA_South_Central_B1_2017.tif",
   "data/cache/usa/pa/USGS_one_meter_x28y443_PA_South_Central_B1_2017.tif"
  ],
  "calculated_at": "2026-09-07T11:37:16+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-band3.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_South_Central_B1_2017 (collected 2017)",
  "elevation_tile_ids": [
   "x28y442",
   "x28y443"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Greene",
  "county": "Pennsylvania"
 }
}