[
  {
    "id": "E01",
    "field": "Motor road travel time",
    "unit": "minutes",
    "cases": [
      "C1",
      "C2",
      "C3"
    ],
    "source_ids": [
      "N01"
    ],
    "source_setting": "AccessMod generic flat-surface modeling examples, manual updated 2024; maximum-speed track/trail example 20 km/h, not an observed motorcycle trip or an effective-speed measurement.",
    "source_access_status": "Indexed official text inspected; direct page content unavailable.",
    "generation_method": "Conditional proxy estimate",
    "formula": "minutes = 60 × synthetic road distance (km) / transferred speed (km/h)",
    "source_value": 20,
    "source_unit": "km/h",
    "similarity": "Motorized movement on a hypothetical rural track; mode and distance units align.",
    "differences": "No surveyed connection, road class, slope, season, transfer or waiting data for these settings. No DEM correction.",
    "adjustments": "No hidden correction. Existing explicit rain multipliers and route handover times remain separate.",
    "low_base_high": {
      "speed_kmh": [
        15,
        20,
        25
      ]
    },
    "range_basis": "15/25 are team stress assumptions around the published 20 example; not measured bounds or a confidence interval.",
    "limitations": "Conditional on the explicitly assumed road existing and its synthetic length. No road viability is proved. Using a maximum-speed example as the base is an explicit team modeling choice; 25 km/h is an additional stress scenario above that example.",
    "dataset_revision": "evidence-2026-10-17.1",
    "materially_decision_sensitive": true,
    "source_year": 2024,
    "source_scope": "Published generic modeling examples, not local observations",
    "value_generation": "Derived estimate conditional on explicit scenario distances",
    "intended_use": "Route/access timing and finite planning sensitivity, not operational authorization"
  },
  {
    "id": "E02",
    "field": "Household round-trip travel",
    "unit": "minutes",
    "cases": [
      "C1",
      "C2",
      "C3"
    ],
    "source_ids": [
      "N01"
    ],
    "source_setting": "AccessMod flat walking examples: medium vegetation 3, low vegetation 4, built/bare land 5 km/h; not a household survey.",
    "source_access_status": "Indexed official text inspected; direct content unavailable.",
    "generation_method": "Conditional proxy estimate with explicit distance assumptions",
    "formula": "round trip = 2 × assumed one-way distance (km) × 60 / walking speed (km/h)",
    "source_value": [
      3,
      4,
      5
    ],
    "source_unit": "km/h",
    "similarity": "Illustrative walking access; group and trip units align.",
    "differences": "No measured household distances, terrain classes, slope, waiting, accompaniment or mobility profiles.",
    "adjustments": "Near distance 0.75 km; remote 1.75 km for C2 and 1.50 km for C1/C3 are team scenario assumptions. Base flat speed 4 km/h.",
    "low_base_high": {
      "walking_speed_kmh": [
        3,
        4,
        5
      ]
    },
    "range_basis": "Different published modeling examples used as scenario values, not a population distribution. Distance choices remain assumptions.",
    "limitations": "No inference of actual acceptance, eligibility, travel burden or a statutory 60-minute limit.",
    "dataset_revision": "evidence-2026-10-17.1",
    "materially_decision_sensitive": true,
    "source_year": 2024,
    "source_scope": "Published generic modeling examples, not local observations",
    "value_generation": "Derived estimate conditional on explicit scenario distances",
    "intended_use": "Route/access timing and finite planning sensitivity, not operational authorization"
  }
]