{
 "ocl_version": "0.1.0",
 "name": "Gun Club Road",
 "slug": "gun-club-road-8",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.13433668300928,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 397.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 218.10694152890105,
   "end_elevation_m": 218.52962826256123,
   "min_gradient_pct": -2.4191850378528557
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.909542893707567,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 396.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 217.90234197575,
   "end_elevation_m": 218.52962826256123,
   "min_gradient_pct": -1.7810499129637947
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.441787840662187,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 394.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 217.50753887052812,
   "end_elevation_m": 218.52962826256123,
   "min_gradient_pct": -1.2345101578523554
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.2611637715367,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 379.0,
   "end_distance_m": 389.0,
   "start_elevation_m": 214.49589202211627,
   "end_elevation_m": 216.52200839926994,
   "min_gradient_pct": -1.0615068048807075
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.168681202224832,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 379.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 214.49589202211627,
   "end_elevation_m": 218.52962826256123,
   "min_gradient_pct": -0.7715387968917753
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.067045949557155,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 374.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 213.51286677517194,
   "end_elevation_m": 218.52962826256123,
   "min_gradient_pct": -0.6100584289835069
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.42323714775989,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 365.0,
   "end_distance_m": 415.0,
   "start_elevation_m": 211.78327177667688,
   "end_elevation_m": 221.49489035055683,
   "min_gradient_pct": 0.0693993915758142
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.44893325025913,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 339.0,
   "end_distance_m": 439.0,
   "start_elevation_m": 207.7374509987913,
   "end_elevation_m": 225.18638424905043,
   "min_gradient_pct": 0.983225441786999
  }
 ],
 "shape": {
  "ascent_concentration": 0.596,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 133.0,
  "shape_class": "stepped"
 },
 "length_m": 453.17727278915066,
 "start_elevation_m": 194.50202344508673,
 "end_elevation_m": 226.4475721049772,
 "endpoint_gain_m": 31.945548659890477,
 "overall_gradient_pct": 7.049238913345452,
 "accumulated_ascent_m": 32.12626008547048,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.441787840662187,
   "start_distance_m": 394.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 396.5,
   "start_elevation_m": 217.50753887052812,
   "end_elevation_m": 218.52962826256123,
   "start_xy": [
    408424.5564706065,
    4501709.892791955
   ],
   "end_xy": [
    408425.00644495187,
    4501704.91308081
   ]
  },
  "max_10m": {
   "gradient_pct": 20.2611637715367,
   "start_distance_m": 379.0,
   "end_distance_m": 389.0,
   "midpoint_distance_m": 384.0,
   "start_elevation_m": 214.49589202211627,
   "end_elevation_m": 216.52200839926994,
   "start_xy": [
    408422.9677150829,
    4501724.805543367
   ],
   "end_xy": [
    408424.1064967042,
    4501714.87250314
   ]
  },
  "max_20m": {
   "gradient_pct": 20.168681202224832,
   "start_distance_m": 379.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 389.0,
   "start_elevation_m": 214.49589202211627,
   "end_elevation_m": 218.52962826256123,
   "start_xy": [
    408422.9677150829,
    4501724.805543367
   ],
   "end_xy": [
    408425.00644495187,
    4501704.91308081
   ]
  },
  "max_25m": {
   "gradient_pct": 20.067045949557155,
   "start_distance_m": 374.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 386.5,
   "start_elevation_m": 213.51286677517194,
   "end_elevation_m": 218.52962826256123,
   "start_xy": [
    408422.31665927026,
    4501729.762974332
   ],
   "end_xy": [
    408425.00644495187,
    4501704.91308081
   ]
  },
  "max_50m": {
   "gradient_pct": 19.42323714775989,
   "start_distance_m": 365.0,
   "end_distance_m": 415.0,
   "midpoint_distance_m": 390.0,
   "start_elevation_m": 211.78327177667688,
   "end_elevation_m": 221.49489035055683,
   "start_xy": [
    408421.1457237582,
    4501738.6864771675
   ],
   "end_xy": [
    408426.44753211085,
    4501688.978111307
   ]
  },
  "max_100m": {
   "gradient_pct": 17.44893325025913,
   "start_distance_m": 339.0,
   "end_distance_m": 439.0,
   "midpoint_distance_m": 389.0,
   "start_elevation_m": 207.7374509987913,
   "end_elevation_m": 225.18638424905043,
   "start_xy": [
    408411.5491468754,
    4501762.706770559
   ],
   "end_xy": [
    408428.60948018363,
    4501665.075685969
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.2345101578523554,
   "start_distance_m": 41.0,
   "end_distance_m": 46.0,
   "midpoint_distance_m": 43.5,
   "start_elevation_m": 194.96496939295093,
   "end_elevation_m": 194.90324388505832,
   "start_xy": [
    408270.0759389437,
    4502024.445131539
   ],
   "end_xy": [
    408272.18428636657,
    4502019.911384515
   ]
  },
  "min_10m": {
   "gradient_pct": -1.0615068048807075,
   "start_distance_m": 41.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 46.0,
   "start_elevation_m": 194.96496939295093,
   "end_elevation_m": 194.85881871246286,
   "start_xy": [
    408270.0759389437,
    4502024.445131539
   ],
   "end_xy": [
    408274.2922514728,
    4502015.377459512
   ]
  },
  "min_20m": {
   "gradient_pct": -0.7715387968917753,
   "start_distance_m": 34.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 194.9960692748588,
   "end_elevation_m": 194.84176151548044,
   "start_xy": [
    408267.1182157162,
    4502030.789544376
   ],
   "end_xy": [
    408275.5569655189,
    4502012.65707411
   ]
  },
  "min_25m": {
   "gradient_pct": -0.6100584289835069,
   "start_distance_m": 34.0,
   "end_distance_m": 59.0,
   "midpoint_distance_m": 46.5,
   "start_elevation_m": 194.9960692748588,
   "end_elevation_m": 194.84355466761292,
   "start_xy": [
    408267.1182157162,
    4502030.789544376
   ],
   "end_xy": [
    408277.66493062524,
    4502008.123149106
   ]
  },
  "min_50m": {
   "gradient_pct": 0.0693993915758142,
   "start_distance_m": 25.0,
   "end_distance_m": 75.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 194.90853812579618,
   "end_elevation_m": 194.9432378215841,
   "start_xy": [
    408263.26500920794,
    4502038.922980619
   ],
   "end_xy": [
    408284.41023129213,
    4501993.614501705
   ]
  },
  "min_100m": {
   "gradient_pct": 0.983225441786999,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 194.50202344508673,
   "end_elevation_m": 195.48524888687373,
   "start_xy": [
    408252.5478594431,
    4502061.509294484
   ],
   "end_xy": [
    408294.9492355395,
    4501970.944493758
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.13433668300928,
   "start_distance_m": 397.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 398.0,
   "start_elevation_m": 218.10694152890105,
   "end_elevation_m": 218.52962826256123,
   "start_xy": [
    408424.8264549479,
    4501706.904965243
   ],
   "end_xy": [
    408425.00644495187,
    4501704.91308081
   ]
  },
  "max_3m": {
   "gradient_pct": 20.909542893707567,
   "start_distance_m": 396.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 397.5,
   "start_elevation_m": 217.90234197575,
   "end_elevation_m": 218.52962826256123,
   "start_xy": [
    408424.7364601674,
    4501707.900907481
   ],
   "end_xy": [
    408425.00644495187,
    4501704.91308081
   ]
  }
 },
 "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_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-chunk000.pbf",
   "region_key": "usa-pa",
   "crs": "EPSG:26918",
   "elevation_provider_key": "usa3dep",
   "authority": "usa-inventory",
   "registry_pbf": "pennsylvania-2026-09-07.osm.pbf",
   "tile_index_snapshot": "sha256:0437a462ed723117"
  },
  "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_x40y451_PA_3_County_South_Central_2018_D18.tif"
  ],
  "calculated_at": "2026-09-22T00:08:58+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/valley-260921/us/batch-usa-pa-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_3_County_South_Central_2018_D18 (collected 2018)",
  "elevation_tile_ids": [
   "x40y451"
  ],
  "route_base_cut_m": 248.0,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_3_County_South_Central_2018_D18: 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": "gun-club-road-8",
   "calculated_at": "2026-09-07T10:58:15+00:00",
   "code_git_sha": null,
   "analysis_version": "0.1.0",
   "run_id": "pa-run4-260907",
   "path": "/root/uk-climbs/output/valley-260921/us/priors/gun-club-road-8/gun-club-road-8.json",
   "spans": 0,
   "sources": []
  },
  "carriageway": {
   "stations": 25,
   "stations_resolved": 25,
   "width_median_m": 7.0,
   "width_p10_m": 6.35,
   "width_min_m": 5.75,
   "width_max_m": 12.0,
   "bounded_share": 0.24,
   "unbounded_share": 0.76,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.88,
   "window_m": [
    374.0,
    399.0
   ],
   "width_at_max25_m": 6.75,
   "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 (248.0 m -> 701.0 m)",
   "published_max25_pct": 20.07,
   "max25_pct": 20.07
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "West Brunswick",
  "county": "Pennsylvania"
 }
}