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      "2022": 127,
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    },
    "W06000005": {
      "2025": 113,
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    },
    "W06000006": {
      "2022": 153,
      "2023": 129,
      "2024": 96,
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      "2025": 102
    },
    "W06000008": {
      "2024": 167,
      "2025": 142,
      "2021": 152,
      "2022": 138,
      "2023": 168
    },
    "W06000009": {
      "2024": 211,
      "2025": 250,
      "2021": 206,
      "2023": 193,
      "2022": 231
    },
    "W06000010": {
      "2024": 317,
      "2025": 375,
      "2021": 299,
      "2022": 296,
      "2023": 322
    },
    "W06000011": {
      "2025": 106,
      "2021": 157,
      "2023": 158,
      "2022": 144,
      "2024": 138
    },
    "W06000012": {
      "2025": 58,
      "2023": 92,
      "2021": 111,
      "2022": 82,
      "2024": 77
    },
    "W06000013": {
      "2025": 66,
      "2021": 98,
      "2023": 85,
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      "2022": 100
    },
    "W06000014": {
      "2025": 102,
      "2021": 87,
      "2024": 90,
      "2022": 102,
      "2023": 95
    },
    "W06000015": {
      "2025": 272,
      "2021": 265,
      "2022": 276,
      "2023": 292,
      "2024": 240
    },
    "W06000016": {
      "2025": 146,
      "2021": 190,
      "2023": 184,
      "2024": 144,
      "2022": 198
    },
    "W06000018": {
      "2022": 153,
      "2024": 155,
      "2025": 145,
      "2023": 147,
      "2021": 169
    },
    "W06000019": {
      "2023": 48,
      "2025": 65,
      "2022": 60,
      "2024": 53,
      "2021": 70
    },
    "W06000020": {
      "2023": 79,
      "2025": 86,
      "2024": 89,
      "2022": 83,
      "2021": 71
    },
    "W06000021": {
      "2022": 102,
      "2025": 112,
      "2023": 88,
      "2024": 113,
      "2021": 121
    },
    "W06000022": {
      "2021": 176,
      "2024": 159,
      "2023": 140,
      "2025": 172,
      "2022": 187
    },
    "W06000023": {
      "2024": 329,
      "2025": 322,
      "2022": 315,
      "2021": 297,
      "2023": 338
    },
    "W06000024": {
      "2025": 47,
      "2021": 46,
      "2024": 38,
      "2022": 43,
      "2023": 46
    }
  },
  "vehicleCountMismatchExamples": [],
  "authorityPanel": {
    "authorities": 153,
    "rows": 765,
    "years": [
      2021,
      2022,
      2023,
      2024,
      2025
    ],
    "rateEligibleRows": 729,
    "qualityGatedRows": 36,
    "rowsWithInheritedQualityReasons": 36,
    "allCollisionReconciliationMismatchRows": [],
    "positiveMileageZeroConfirmedCollisionRows": 1,
    "rateEligibleZeroConfirmedCollisionRows": 1,
    "qualityReasonCounts": {
      "DfT warning: Avon and Somerset / Staffordshire reporting may be incomplete": 14,
      "Traffic denominator differs by over 0.5% from the official rate; mileage rate withheld": 3,
      "Missing or non-finite motor-vehicle mileage": 17,
      "Official comparison rate unavailable; independent reconciliation not possible": 5,
      "No matching traffic authority code and year; mileage rate withheld": 14
    },
    "allInjuryCollisions": 477448,
    "definiteMotorCollisions": 467078,
    "unresolvedMotorCollisions": 1833,
    "outOfScopeOnlyCollisions": 8537
  },
  "warnings": [
    {
      "areaId": "E06000001",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 1,
      "share": 0.013513513513513514
    },
    {
      "areaId": "E06000006",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 2,
      "share": 0.012738853503184714
    },
    {
      "areaId": "E06000006",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 2,
      "share": 0.016260162601626018
    },
    {
      "areaId": "E06000017",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 1,
      "share": 0.024390243902439025
    },
    {
      "areaId": "E06000018",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 9,
      "share": 0.013254786450662739
    },
    {
      "areaId": "E06000018",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 9,
      "share": 0.011538461538461539
    },
    {
      "areaId": "E06000021",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.020833333333333332
    },
    {
      "areaId": "E06000032",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.016317016317016316
    },
    {
      "areaId": "E06000032",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.012987012987012988
    },
    {
      "areaId": "E06000032",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.013333333333333334
    },
    {
      "areaId": "E06000032",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.014124293785310734
    },
    {
      "areaId": "E06000034",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.013761467889908258
    },
    {
      "areaId": "E06000039",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.01282051282051282
    },
    {
      "areaId": "E06000042",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.012618296529968454
    },
    {
      "areaId": "E06000049",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 10,
      "share": 0.017271157167530225
    },
    {
      "areaId": "E06000055",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 6,
      "share": 0.018072289156626505
    },
    {
      "areaId": "E06000056",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 6,
      "share": 0.012738853503184714
    },
    {
      "areaId": "E06000056",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.01206896551724138
    },
    {
      "areaId": "E06000058",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 10,
      "share": 0.014771048744460856
    },
    {
      "areaId": "E06000064",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.010443864229765013
    },
    {
      "areaId": "E08000001",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.01238390092879257
    },
    {
      "areaId": "E08000002",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.015789473684210527
    },
    {
      "areaId": "E08000003",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 18,
      "share": 0.025210084033613446
    },
    {
      "areaId": "E08000003",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 9,
      "share": 0.012857142857142857
    },
    {
      "areaId": "E08000004",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.01282051282051282
    },
    {
      "areaId": "E08000004",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.020100502512562814
    },
    {
      "areaId": "E08000004",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.013888888888888888
    },
    {
      "areaId": "E08000005",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.013043478260869565
    },
    {
      "areaId": "E08000006",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 8,
      "share": 0.025236593059936908
    },
    {
      "areaId": "E08000007",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 2,
      "share": 0.01015228426395939
    },
    {
      "areaId": "E08000008",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.020100502512562814
    },
    {
      "areaId": "E08000008",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.013100436681222707
    },
    {
      "areaId": "E08000010",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.015748031496062992
    },
    {
      "areaId": "E08000010",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 3,
      "share": 0.012605042016806723
    },
    {
      "areaId": "E08000018",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 6,
      "share": 0.014742014742014743
    },
    {
      "areaId": "E08000024",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.015527950310559006
    },
    {
      "areaId": "E08000025",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 24,
      "share": 0.010075566750629723
    },
    {
      "areaId": "E08000025",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 33,
      "share": 0.015013648771610554
    },
    {
      "areaId": "E08000026",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.01272264631043257
    },
    {
      "areaId": "E08000027",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.012468827930174564
    },
    {
      "areaId": "E08000027",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.01020408163265306
    },
    {
      "areaId": "E08000028",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 11,
      "share": 0.01916376306620209
    },
    {
      "areaId": "E08000028",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 9,
      "share": 0.014657980456026058
    },
    {
      "areaId": "E08000029",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 4,
      "share": 0.01532567049808429
    },
    {
      "areaId": "E08000030",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.011389521640091117
    },
    {
      "areaId": "E08000030",
      "year": 2022,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.016129032258064516
    },
    {
      "areaId": "E08000031",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 10,
      "share": 0.02197802197802198
    },
    {
      "areaId": "E08000031",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.013966480446927373
    },
    {
      "areaId": "E08000033",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.014005602240896359
    },
    {
      "areaId": "E08000036",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 9,
      "share": 0.013888888888888888
    },
    {
      "areaId": "E08000036",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 8,
      "share": 0.013605442176870748
    },
    {
      "areaId": "E08000036",
      "year": 2025,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 8,
      "share": 0.014414414414414415
    },
    {
      "areaId": "E08000038",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 5,
      "share": 0.012531328320802004
    },
    {
      "areaId": "E09000007",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.010752688172043012
    },
    {
      "areaId": "E09000019",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 7,
      "share": 0.012477718360071301
    },
    {
      "areaId": "E09000022",
      "year": 2024,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 11,
      "share": 0.012585812356979404
    },
    {
      "areaId": "E10000003",
      "year": 2023,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 12,
      "share": 0.010434782608695653
    },
    {
      "areaId": "E10000029",
      "year": 2021,
      "type": "unresolved_motor_share_above_1_percent",
      "unresolvedCount": 11,
      "share": 0.010328638497652582
    }
  ],
  "acceptanceChecks": [
    {
      "id": "car_and_cycle_count_once",
      "passed": true
    },
    {
      "id": "two_cars_count_once",
      "passed": true
    },
    {
      "id": "cycle_only_outside_scope",
      "passed": true
    },
    {
      "id": "horse_only_outside_scope",
      "passed": true
    },
    {
      "id": "other_vehicle_is_unknown",
      "passed": true
    },
    {
      "id": "missing_vehicles_not_zero",
      "passed": true
    },
    {
      "id": "escooter_flag_precedes_motor_code",
      "passed": true
    },
    {
      "id": "another_car_confirms_motor",
      "passed": true
    },
    {
      "id": "powered_transporter_only_outside_scope",
      "passed": true
    },
    {
      "id": "electric_motorcycle_covered",
      "passed": true
    },
    {
      "id": "rate_scale",
      "passed": true
    },
    {
      "id": "genuine_zero_retained",
      "passed": true
    },
    {
      "id": "missing_mileage_no_rate",
      "passed": true
    },
    {
      "id": "zero_mileage_no_rate",
      "passed": true
    },
    {
      "id": "inherited_quality_suppresses_rate",
      "passed": true
    },
    {
      "id": "missing_outcome_no_rate",
      "passed": true
    },
    {
      "id": "unmapped_vehicle_code_fails_closed",
      "passed": true
    },
    {
      "id": "protocol_frozen_before_preparation",
      "passed": true
    },
    {
      "id": "all_raw_and_gzip_source_hashes_verified",
      "passed": true
    },
    {
      "id": "all_vehicle_codes_in_frozen_mapping_and_official_guide",
      "passed": true
    },
    {
      "id": "unique_collision_and_vehicle_keys",
      "passed": true
    },
    {
      "id": "all_vehicle_records_joined_once",
      "passed": true
    },
    {
      "id": "all_gb_collision_eligibility_classes_reconcile",
      "passed": true
    },
    {
      "id": "complete_153_by_5_authority_matrix_retained",
      "passed": true
    },
    {
      "id": "all_inherited_quality_gates_preserved",
      "passed": true
    },
    {
      "id": "all_collision_authority_totals_reconcile",
      "passed": true,
      "failureAction": "Affected rows retained; rates withheld"
    },
    {
      "id": "all_declared_vehicle_counts_reconcile",
      "passed": true,
      "failureAction": "Affected authority-years retained; rates withheld"
    },
    {
      "id": "frost_join_and_model_claims_absent",
      "passed": true
    }
  ],
  "variables": {
    "nullEncoding": "CSV empty cell means missing/not eligible; zero is an observed zero. JSON uses null.",
    "events": {
      "eventId": "Unique source collision_index; one row per collision, not per casualty or vehicle.",
      "year": "Source collision_year, calendar year 2021 to 2025.",
      "easting/northing": "Unmodified source British National Grid coordinates, metres (EPSG:27700).",
      "longitude/latitude": "Unmodified source longitude/latitude, decimal degrees; not a substitute for missing BNG.",
      "recordedLsoa": "Unmodified lsoa_of_accident_location; vintage not assumed to be LSOA2021.",
      "authority": "Unmodified local_authority_highway_current; exact code used for authority panel.",
      "authorityDistrict": "Unmodified local_authority_ons_district, retained for audit.",
      "roadClass/roadNumber": "Source first_road_class and first_road_number; not inferred nearest road.",
      "severity": "Source collision_severity, unadjusted coded value; total collision eligibility does not depend on severity adjustment.",
      "surface": "Source road_surface_conditions coded value; descriptive field, not a measure of exposure to icy roads.",
      "motorEligibility": "included, unknown, or out_of_scope under the frozen conventional-motor definition.",
      "motorState": "motor_confirmed; motor_unknown_only; motor_missing_vehicle_records; motor_out_of_scope_only.",
      "vehicleRecords": "Number of unique joined vehicle records for this collision.",
      "definiteMotorVehicleRecords": "Covered vehicle-code records after e-scooter-flag precedence.",
      "unknownVehicleRecords": "Joined records with missing/other/unknown vehicle_type and no e-scooter confirmation.",
      "outOfScopeVehicleRecords": "Known non-motor vehicles, declared out-of-scope types, and e-scooter-flagged vehicles.",
      "escooterFlaggedVehicleRecords": "Records with escooter_flag=1; included within outOfScopeVehicleRecords, not added again.",
      "recordedVehicleCount": "Collision source number_of_vehicles for reconciliation.",
      "vehicleCountMatches": "Whether joined vehicle records equal number_of_vehicles.",
      "coordinateStatus": "valid_bng, missing_or_nonpositive_bng, or outside_broad_gb_bng_bounds. This is not an LSOA containment result."
    },
    "authorityPanel": {
      "areaId/areaName/region/regionId": "Exact inherited authority universe and labels; no name-based code matching.",
      "year/split": "Frozen training 2021-23, validation 2024, reserved frost assessment 2025; not a claim that prior project outcomes are unseen.",
      "roadScope/vehicleScope": "All roads; collisions involving at least one definite covered motor vehicle.",
      "motorMiles": "Inherited official annual all-motor-vehicle miles (already annual vehicle miles, not millions); missing remains blank.",
      "allInjuryCollisions": "All unique original collision records for the exact current-highway-authority code and year.",
      "officialAllInjuryCollisions": "Inherited RAS0403 all-collision count, used only for count/exposure quality reconciliation.",
      "definiteMotorCollisions": "Unique collisions classified motor_confirmed; primary numerator.",
      "motorUnknownOnlyCollisions": "No definite covered motor, but at least one unresolved vehicle; may also contain non-motor vehicles.",
      "motorMissingVehicleRecordsCollisions": "No joined vehicle records; unresolved and never silently zero.",
      "motorOutOfScopeOnlyCollisions": "All joined vehicles outside the declared traffic scope; no covered or unknown vehicle.",
      "motorEligibilityLowerBound/motorEligibilityUpperBound": "Confirmed count and confirmed+unresolved count. These are classification bounds within the declared scope, not statistical confidence limits or bounds on unreported collisions.",
      "unresolvedMotorShare": "Unresolved collision count divided by all injury collisions; zero when the all-collision count is zero.",
      "vehicleRecords/definiteMotorVehicleRecords/unknownVehicleRecords/outOfScopeVehicleRecords/escooterFlaggedVehicleRecords": "Sums of the corresponding event fields, with e-scooters a subset of out-of-scope vehicles.",
      "vehicleCountMismatchCollisions": "Events for which joined and declared vehicle counts disagree; suppresses rates.",
      "sourceCountReconciles": "Exact equality of original all-collision count and inherited official all-collision count.",
      "exposurePositive": "Mileage is finite and strictly positive.",
      "inheritedQualityReasonCount": "Number of inherited exact-code, reporting and independent-mileage-reconciliation warnings; every such warning suppresses rates.",
      "qualityReasonCount/qualityReasons": "All applicable inherited and newly observed blocking quality reasons; JSON array inside CSV.",
      "rateEligible": "Positive finite mileage, reconciled complete counts and no blocking quality reason.",
      "definiteMotorRatePer100k": "100000 * definiteMotorCollisions / motorMiles, only when rateEligible.",
      "unknownInclusiveRateUpperBoundPer100k": "100000 * (confirmed+unresolved) / motorMiles under the same gate; classification sensitivity, not a confidence interval."
    }
  },
  "outputs": {
    "authorityPanel": {
      "path": "public/research/frost/v1/authority-base-panel.csv",
      "sha256": "14e2e34342d042be1bd20d2789e1aa468c899a6f86b20dd6af37eb91a4739e9c",
      "bytes": 190523,
      "fields": [
        "areaId",
        "areaName",
        "region",
        "regionId",
        "year",
        "split",
        "roadScope",
        "vehicleScope",
        "motorMiles",
        "allInjuryCollisions",
        "officialAllInjuryCollisions",
        "definiteMotorCollisions",
        "motorUnknownOnlyCollisions",
        "motorMissingVehicleRecordsCollisions",
        "motorOutOfScopeOnlyCollisions",
        "motorEligibilityLowerBound",
        "motorEligibilityUpperBound",
        "unresolvedMotorShare",
        "vehicleRecords",
        "definiteMotorVehicleRecords",
        "unknownVehicleRecords",
        "outOfScopeVehicleRecords",
        "escooterFlaggedVehicleRecords",
        "vehicleCountMismatchCollisions",
        "sourceCountReconciles",
        "exposurePositive",
        "inheritedQualityReasonCount",
        "qualityReasonCount",
        "qualityReasons",
        "rateEligible",
        "definiteMotorRatePer100k",
        "unknownInclusiveRateUpperBoundPer100k"
      ]
    },
    "collisionEvents": {
      "path": "collisionevents.csv.gz",
      "location": "Caller-provided intermediate directory; not a published asset URL",
      "gzipSha256": "8edd64de7627cd8dfc670c8a30a3b56e0a1c24ebf3c7a01da080f5a827d1480a",
      "rawSha256": "85b2da8fbb14f1d0c4589dee88abfb07227b1c4447f809167c6b3245d651f9bb",
      "gzipBytes": 17203506,
      "rawBytes": 73945293,
      "rows": 513801,
      "fields": [
        "eventId",
        "year",
        "easting",
        "northing",
        "longitude",
        "latitude",
        "recordedLsoa",
        "authority",
        "authorityDistrict",
        "roadClass",
        "roadNumber",
        "severity",
        "surface",
        "motorEligibility",
        "motorState",
        "vehicleRecords",
        "definiteMotorVehicleRecords",
        "unknownVehicleRecords",
        "outOfScopeVehicleRecords",
        "escooterFlaggedVehicleRecords",
        "recordedVehicleCount",
        "vehicleCountMatches",
        "coordinateStatus"
      ],
      "geographicScope": "All GB source collisions, including authorities outside England"
    }
  },
  "instructions": [
    "Reproduce with the command in the script docstring; no network or non-standard Python dependency is needed.",
    "Use original easting/northing for the separate exact full-polygon assignment; retain unmatched/border ambiguity and source-authority discrepancies.",
    "Never use the recorded LSOA or nearest polygon as a silent substitute for the declared geometry assignment.",
    "A later frost join must preserve all quality reasons and row counts; calculate grouped rates from summed counts and matched miles, not mean individual rates.",
    "The upper classification bound includes unresolved vehicle types but not declared out-of-scope vehicles; it is not an insurance claims estimate.",
    "All-road LSOA mileage remains blocked, and major-road endpoint chords must not be treated as road-centreline geometry.",
    "2025 is reserved for the later frost-model assessment; prior project outcome knowledge and retrospective climate/road vintages are disclosed."
  ]
}