[
  {
    "input": "Authority counts and mileage",
    "status": "Available, restricted exact-code cohort",
    "use": "Historical model; annual coverage retained"
  },
  {
    "input": "Income / employment scores",
    "status": "2015 and 2019 authority vintages available",
    "use": "Edition published before outcome year"
  },
  {
    "input": "2011 qualifications, density and age",
    "status": "Exact authority match available",
    "use": "Historical baseline and education predictor"
  },
  {
    "input": "Historical joint road-class \u00d7 urban/rural exposure",
    "status": "Unavailable",
    "use": "Not substituted by current-year data"
  },
  {
    "input": "LSOA21 deprivation and education",
    "status": "Available for separate profile table; mixed vintages and provisional education edition",
    "use": "No historical model or accident rate"
  },
  {
    "input": "LSOA all-road motor mileage",
    "status": "Unavailable",
    "use": "No LSOA frequency fit"
  },
  {
    "input": "Fresh uninspected outcome reserve",
    "status": "Not allocated",
    "use": "2023\u20132025 already inspected; exploratory only"
  }
]