{
  "source": "JICA2016",
  "status": "historical derived analysis, not raw contemporary observations",
  "table_5_5_1": {
    "PDF_page": 126,
    "labels": [
      "UMRT5–Doi Can",
      "UMRT5–Van Phuc",
      "UMRT5–Dao Tan",
      "UMRT5–Kim Ma",
      "UMRT5–Huyen Thuc",
      "UMRT5–Lang",
      "UMRT5–Nguyen Khang",
      "UMRT5–Hoang Minh",
      "UMRT5–Ring Road 3"
    ]
  },
  "table_5_5_2": {
    "PDF_page": 127,
    "through_base_pcu_per_green_hour": 2000,
    "left_base_pcu_per_green_hour": 1800,
    "right_base_pcu_per_green_hour": 1800,
    "status": "base assumptions corrected by study, not measured Hanoi saturation rates"
  },
  "table_5_5_8": {
    "PDF_page": 133,
    "traffic_volume": [
      6960,
      4910,
      7340,
      9220,
      8910,
      7190,
      4030,
      7500,
      9160
    ],
    "units": "Table heading does not print the unit. Retained verbatim; NOT used as PCU/h or OD calibration targets.",
    "case1_capacity": [
      7020,
      5980,
      6640,
      5940,
      7940,
      5970,
      3940,
      9000,
      6210
    ]
  },
  "important_limits": [
    "Motorcycles were NOT counted in the simplified intersection survey; assumed 3 times car flow.",
    "Only 1 hour measured at each intersection, corrected using METROS temporal profile.",
    "Peak share 8.5% at 07:00 is historical contextual evidence, not an observed daily profile in this model."
  ]
}