{
  "verification_date": "2026-09-16",
  "source_urls": {
    "FHWA15": "https://ops.fhwa.dot.gov/freight/infrastructure/truck_parking/jasons_law/truckparkingsurvey/ch3.htm",
    "ATRI24": "https://truckingresearch.org/2025/04/truck-parking-index/",
    "NHS22": "https://www.fhwa.dot.gov/policyinformation/statistics/2022/hm41.cfm",
    "FHWA15_program_metadata": "https://ops.fhwa.dot.gov/freight/infrastructure/truck_parking/index.htm",
    "FHWA15_chapter2": "https://ops.fhwa.dot.gov/freight/infrastructure/truck_parking/jasons_law/truckparkingsurvey/ch2.htm"
  },
  "source_column_order": {
    "FHWA15": [
      "public_facilities",
      "public_spaces",
      "private_truck_stops",
      "private_spaces"
    ],
    "ATRI24": [
      "public_rest_area_spaces",
      "published_spaces_per_100_nhs_miles_2022",
      "published_spaces_per_million_truck_vmt_2022",
      "amenities_out_of_8",
      "safety_features_out_of_5",
      "published_historical_private_per_public_2024_ratio"
    ]
  },
  "source_year_notes": {
    "FHWA15": "Inventory published in 2015. Program metadata dates public inputs to 2013; DOT surveys occurred in 2014. PRIVATE SOURCE-YEAR CONFLICT: program metadata identifies Trucker’s Friend 2013; Chapter II says the study used the 2015 database. A unique private observation year is not assigned. Counts are unchanged.",
    "ATRI24": "State DOT responses collected in 2024. Published roadway/VMT ratios use 2022 denominators. Published private:public quotient uses private counts from FHWA’s 2015 report divided by 2024 public rest-area spaces. The historical private input year conflicts within FHWA sources.",
    "ATRI_BUDGET": "Annual rest area service and maintenance budget per parking space, reported in the dashboard; not measured truck-only expenditure.",
    "NHS22_SPOT": "2022 NHS road mileage; four reporting states used for spot-checks, plus Alabama (no ATRI count)."
  },
  "data": {
    "FHWA15": {
      "Alabama": [
        26,
        633,
        201,
        7456
      ],
      "Alaska": [
        null,
        null,
        18,
        179
      ],
      "Arizona": [
        18,
        495,
        73,
        6635
      ],
      "Arkansas": [
        16,
        194,
        143,
        6277
      ],
      "California": [
        87,
        1252,
        197,
        11892
      ],
      "Colorado": [
        18,
        842,
        89,
        3645
      ],
      "Connecticut": [
        20,
        521,
        16,
        1015
      ],
      "Delaware": [
        1,
        28,
        15,
        294
      ],
      "Florida": [
        77,
        2529,
        160,
        6573
      ],
      "Georgia": [
        47,
        1701,
        265,
        12017
      ],
      "Hawaii": [
        null,
        null,
        null,
        null
      ],
      "Idaho": [
        13,
        274,
        60,
        2809
      ],
      "Illinois": [
        90,
        1622,
        206,
        9640
      ],
      "Indiana": [
        40,
        2070,
        186,
        11810
      ],
      "Iowa": [
        39,
        681,
        163,
        6499
      ],
      "Kansas": [
        36,
        328,
        125,
        4516
      ],
      "Kentucky": [
        37,
        1214,
        122,
        6734
      ],
      "Louisiana": [
        21,
        329,
        254,
        11782
      ],
      "Maine": [
        14,
        282,
        32,
        758
      ],
      "Maryland": [
        20,
        492,
        49,
        2544
      ],
      "Massachusetts": [
        19,
        192,
        43,
        1220
      ],
      "Michigan": [
        78,
        1618,
        242,
        5774
      ],
      "Minnesota": [
        50,
        625,
        147,
        3641
      ],
      "Mississippi": [
        64,
        716,
        160,
        5424
      ],
      "Missouri": [
        44,
        1109,
        188,
        9609
      ],
      "Montana": [
        68,
        601,
        65,
        2967
      ],
      "Nebraska": [
        21,
        330,
        94,
        4432
      ],
      "Nevada": [
        17,
        225,
        47,
        3746
      ],
      "New Hampshire": [
        12,
        188,
        28,
        423
      ],
      "New Jersey": [
        15,
        757,
        112,
        2213
      ],
      "New Mexico": [
        32,
        358,
        76,
        5458
      ],
      "New York": [
        36,
        632,
        153,
        4751
      ],
      "North Carolina": [
        53,
        723,
        206,
        5122
      ],
      "North Dakota": [
        20,
        177,
        58,
        2681
      ],
      "Ohio": [
        98,
        2327,
        219,
        11968
      ],
      "Oklahoma": [
        9,
        184,
        174,
        7343
      ],
      "Oregon": [
        40,
        550,
        55,
        3971
      ],
      "Pennsylvania": [
        66,
        1569,
        223,
        9363
      ],
      "Rhode Island": [
        3,
        26,
        5,
        200
      ],
      "South Carolina": [
        39,
        842,
        179,
        7106
      ],
      "South Dakota": [
        42,
        405,
        81,
        2360
      ],
      "Tennessee": [
        42,
        710,
        152,
        6969
      ],
      "Texas": [
        69,
        1150,
        627,
        26230
      ],
      "Utah": [
        49,
        530,
        70,
        3103
      ],
      "Vermont": [
        42,
        216,
        24,
        354
      ],
      "Virginia": [
        35,
        729,
        148,
        7463
      ],
      "Washington": [
        96,
        920,
        57,
        2676
      ],
      "West Virginia": [
        30,
        641,
        37,
        1747
      ],
      "Wisconsin": [
        33,
        818,
        263,
        6995
      ],
      "Wyoming": [
        66,
        867,
        69,
        4314
      ]
    },
    "ATRI24": {
      "Alaska": [
        70,
        3.1,
        0.17,
        2,
        null,
        2.6
      ],
      "Arizona": [
        649,
        20.2,
        0.07,
        7,
        5,
        10.2
      ],
      "Arkansas": [
        306,
        9.0,
        0.05,
        4,
        3,
        20.5
      ],
      "California": [
        1203,
        8.3,
        0.03,
        7,
        3,
        9.9
      ],
      "Colorado": [
        241,
        4.9,
        0.07,
        6,
        1,
        15.1
      ],
      "Connecticut": [
        363,
        24.8,
        0.16,
        7,
        4,
        2.8
      ],
      "Florida": [
        2100,
        23.8,
        0.12,
        7,
        4,
        3.1
      ],
      "Georgia": [
        997,
        13.7,
        0.07,
        6,
        3,
        12.1
      ],
      "Hawaii": [
        0,
        0.0,
        0.0,
        null,
        null,
        null
      ],
      "Idaho": [
        497,
        19.2,
        0.22,
        6,
        3,
        5.7
      ],
      "Illinois": [
        1449,
        18.7,
        0.12,
        5,
        5,
        6.7
      ],
      "Indiana": [
        1402,
        37.5,
        0.13,
        6,
        3,
        8.4
      ],
      "Iowa": [
        813,
        15.8,
        0.17,
        6,
        3,
        8.0
      ],
      "Kansas": [
        300,
        6.8,
        0.07,
        7,
        1,
        15.1
      ],
      "Kentucky": [
        789,
        23.8,
        0.11,
        5,
        4,
        8.5
      ],
      "Louisiana": [
        280,
        8.8,
        0.04,
        7,
        3,
        42.1
      ],
      "Maine": [
        300,
        22.6,
        0.21,
        5,
        2,
        2.5
      ],
      "Maryland": [
        215,
        9.9,
        0.07,
        5,
        2,
        11.8
      ],
      "Massachusetts": [
        799,
        24.0,
        0.25,
        5,
        5,
        1.5
      ],
      "Michigan": [
        1300,
        20.1,
        0.21,
        6,
        1,
        4.4
      ],
      "Minnesota": [
        728,
        13.8,
        0.12,
        6,
        4,
        5.0
      ],
      "Mississippi": [
        364,
        10.0,
        0.07,
        6,
        1,
        14.9
      ],
      "Missouri": [
        1152,
        20.1,
        0.11,
        5,
        2,
        8.3
      ],
      "Montana": [
        680,
        16.2,
        0.47,
        7,
        3,
        4.4
      ],
      "Nebraska": [
        300,
        8.3,
        0.13,
        6,
        2,
        14.8
      ],
      "Nevada": [
        405,
        15.5,
        0.13,
        4,
        null,
        9.2
      ],
      "New Hampshire": [
        194,
        20.8,
        0.25,
        5,
        3,
        2.2
      ],
      "New Jersey": [
        842,
        28.4,
        0.18,
        null,
        5,
        2.6
      ],
      "New Mexico": [
        446,
        14.3,
        0.16,
        5,
        5,
        12.2
      ],
      "New York": [
        606,
        7.5,
        0.08,
        6,
        2,
        7.8
      ],
      "North Carolina": [
        750,
        13.2,
        0.09,
        6,
        2,
        6.8
      ],
      "North Dakota": [
        190,
        5.1,
        0.11,
        6,
        2,
        14.1
      ],
      "Ohio": [
        1403,
        24.6,
        0.14,
        6,
        4,
        8.5
      ],
      "Oklahoma": [
        263,
        6.7,
        0.05,
        null,
        null,
        27.9
      ],
      "Oregon": [
        914,
        21.2,
        0.2,
        7,
        3,
        4.3
      ],
      "Pennsylvania": [
        784,
        10.9,
        0.08,
        6,
        3,
        11.9
      ],
      "South Carolina": [
        494,
        13.7,
        0.1,
        7,
        3,
        14.4
      ],
      "South Dakota": [
        215,
        5.8,
        0.15,
        5,
        2,
        11.0
      ],
      "Tennessee": [
        584,
        11.6,
        0.08,
        8,
        5,
        11.9
      ],
      "Texas": [
        1409,
        7.6,
        0.04,
        8,
        3,
        18.6
      ],
      "Utah": [
        295,
        10.4,
        0.04,
        6,
        3,
        10.5
      ],
      "Vermont": [
        236,
        32.9,
        0.45,
        6,
        1,
        1.5
      ],
      "Virginia": [
        758,
        16.3,
        0.13,
        5,
        3,
        9.8
      ],
      "Washington": [
        555,
        12.2,
        0.11,
        7,
        3,
        4.8
      ],
      "West Virginia": [
        636,
        32.0,
        0.32,
        8,
        null,
        2.7
      ],
      "Wisconsin": [
        782,
        13.1,
        0.11,
        5,
        2,
        8.9
      ],
      "Wyoming": [
        382,
        12.5,
        0.22,
        5,
        3,
        11.3
      ]
    },
    "NHS22_SPOT": {
      "Alabama": 4308,
      "Alaska": 2230,
      "Arizona": 3212,
      "Arkansas": 3384,
      "California": 14573
    },
    "FHWA15_PRINTED": {
      "public_facilities": 1908,
      "public_spaces": 36222,
      "private_truck_stops": 6376,
      "private_spaces": 272698,
      "total_spaces": 308920
    },
    "ATRI_BUDGET": {
      "Alaska": 4286,
      "Arizona": 3082,
      "Arkansas": 16340,
      "California": 18873,
      "Colorado": 16009,
      "Florida": 12619,
      "Idaho": 3622,
      "Illinois": 16391,
      "Indiana": 344,
      "Iowa": 11562,
      "Kansas": 5333,
      "Kentucky": 11407,
      "Louisiana": 6901,
      "Maryland": 24186,
      "Michigan": 10769,
      "Minnesota": 6868,
      "Mississippi": 16484,
      "Missouri": 8681,
      "Montana": 5588,
      "Nebraska": 8000,
      "Nevada": 1481,
      "New York": 28053,
      "North Carolina": 24000,
      "North Dakota": 9474,
      "Ohio": 22594,
      "South Carolina": 13162,
      "South Dakota": 4380,
      "Tennessee": 1712,
      "Texas": 17033,
      "Utah": 13559,
      "Vermont": 6356,
      "Virginia": 32982,
      "Washington": 18919,
      "Wisconsin": 1790,
      "Wyoming": 9162
    }
  }
}