{
  "releaseDate": "2026-09-13",
  "retrieved": "2026-09-13",
  "analysisAuthor": "Liam Blank",
  "sources": [
    {
      "id": "ctpp",
      "publisher": "AASHTO / U.S. Census Bureau",
      "period": "2017–2021",
      "url": "https://downloads.transportation.org/CensusData/",
      "tables": [
        "B102106 C11",
        "B302103 C54",
        "B302103 C61"
      ],
      "role": "Resident workers and mode-specific origin–destination flows"
    },
    {
      "id": "ctpp-notes",
      "publisher": "U.S. Census Bureau",
      "url": "https://www2.census.gov/programs-surveys/acs/data/custom_tabulation/CTPP/Metadata/",
      "role": "Universe, geography, rounding, sampling margins"
    },
    {
      "id": "districts",
      "publisher": "U.S. Census Bureau",
      "period": "2025",
      "url": "https://www2.census.gov/geo/tiger/TIGER2025/",
      "role": "Current state legislative and 119th congressional boundaries"
    },
    {
      "id": "blocks",
      "publisher": "U.S. Census Bureau",
      "period": "2020",
      "url": "https://www2.census.gov/geo/tiger/TIGER2020/TABBLOCK20/",
      "role": "Block population and internal-point residence weights"
    },
    {
      "id": "tracts-zone",
      "publisher": "U.S. Census Bureau",
      "period": "2021 files with 2020 tract geography",
      "url": "https://www2.census.gov/geo/tiger/TIGER2021/",
      "role": "Tracts, Manhattan water, and 60th Street road centerline"
    },
    {
      "id": "lodes",
      "publisher": "U.S. Census Bureau",
      "period": "2021",
      "url": "https://lehd.ces.census.gov/data/lodes/LODES8/ny/wac/ny_wac_S000_JT01_2021.csv.gz",
      "role": "Primary-job spatial weights only"
    },
    {
      "id": "cartography",
      "publisher": "U.S. Census Bureau",
      "period": "2024",
      "url": "https://www2.census.gov/geo/tiger/GENZ2024/shp/cb_2024_us_state_500k.zip",
      "role": "Coastline clipping and the fact-sheet land backdrop; display only, no effect on calculations"
    },
    {
      "id": "mta-rules",
      "publisher": "Metropolitan Transportation Authority",
      "url": "https://www.mta.info/fares-tolls/tolls/congestion-relief-zone/faq",
      "role": "Entry versus per-trip toll mechanisms; no district transaction data"
    },
    {
      "id": "openstates",
      "publisher": "Open States (Plural Policy)",
      "period": "2026-09-13",
      "url": "https://data.openstates.org/people/current/",
      "role": "Current state legislators by district and party; display only"
    },
    {
      "id": "congress-legislators",
      "publisher": "unitedstates/congress-legislators",
      "period": "119th Congress",
      "url": "https://unitedstates.github.io/congress-legislators/legislators-current.json",
      "role": "Current U.S. House members by district and party; display only"
    },
    {
      "id": "govtrack-bills",
      "publisher": "GovTrack.us",
      "period": "118th–119th Congress",
      "url": "https://www.govtrack.us/congress/bills/119/hr344",
      "role": "Sponsors and cosponsors of H.R. 422, H.R. 344 and H.R. 351; display only"
    }
  ],
  "sourceFiles": [
    {
      "file": "CT_2017thru2021_B102106_csv.zip",
      "bytes": 143916,
      "sha256": "e7a91f48b79f8da0aedfa1a64d9ba9f2d9ff9fd4d5e602fb0a5ca899349918d6"
    },
    {
      "file": "CT_2017thru2021_B302103_csv.zip",
      "bytes": 7531038,
      "sha256": "05ec981b3cb49e9adace9dcedddd8643f937eab86328411021c5f6518027dc4b"
    },
    {
      "file": "NJ_2017thru2021_B102106_csv.zip",
      "bytes": 394052,
      "sha256": "18926f39e9c943c5d4ad7480ba161b613cd48e392bafe1af090e4aa76a7be0a2"
    },
    {
      "file": "NJ_2017thru2021_B302103_csv.zip",
      "bytes": 25738548,
      "sha256": "3b082cd1dcfe6e314476364ae1a912835752d3880e893b229cbb5843ceba6fb8"
    },
    {
      "file": "NY_2017thru2021_B102106_csv.zip",
      "bytes": 845844,
      "sha256": "d74db1257fd82dcfb0109471b4d1b4ce46e5e1da170149c821d15a72aa8dcd43"
    },
    {
      "file": "NY_2017thru2021_B302103_csv.zip",
      "bytes": 39276122,
      "sha256": "0d07ac11e0a404abb0bd9c740a8ef2c3caa7d7a588950498fbc07d925c3b6bca"
    },
    {
      "file": "cb_2024_us_state_500k.zip",
      "bytes": 3242450,
      "sha256": "3e81cbb6cf5f60d9b01ef3e730afa14d61ce5f784252a0b33a696135e71447bc"
    },
    {
      "file": "ctpp-geography.xlsx",
      "bytes": 73433,
      "sha256": "4d1cd211d68cdd2a266312f716adc72382553dba4f3cf69c304621a0875e92e0"
    },
    {
      "file": "ctpp-methodology.pdf",
      "bytes": 1106999,
      "sha256": "155dae90fa5742b573975b3e0642685b05a7dcc99bc3a10435707f431bd4bf4b"
    },
    {
      "file": "ctpp-part1-index.json",
      "bytes": 1088314,
      "sha256": "376a40ea7fd4da0bebfff6e2e44c2d79175f4be6575ea999a93e9f413f01fb16"
    },
    {
      "file": "ctpp-part3-index.json",
      "bytes": 220196,
      "sha256": "2b64f9bc39caf1120e700301ae6bc987c38d45d3baff080b1aa5836c877dfaba"
    },
    {
      "file": "ctpp-table-notes.docx",
      "bytes": 50216,
      "sha256": "0946483f67cc5ff5f2c03785c2aae5ec9ec6aa8db2e65268c0e6b6187a78222a"
    },
    {
      "file": "ctpp-table-notes.txt",
      "bytes": 9294,
      "sha256": "400184a714e230bba0ba38c76454e96d9b3791d37a0b5dda59308350e48fa995"
    },
    {
      "file": "ctpp-table-shell.txt",
      "bytes": 657471,
      "sha256": "68338f6608c4b0024305a4d1267492cc973f4a923546d57dfa3474a6e140c377"
    },
    {
      "file": "endpoint-zone.geojson",
      "bytes": 12854,
      "sha256": "67ea0bbb7a98bcf2611463a54a56bb6c9b3666c6d9103383cfbbceec2899f2b1"
    },
    {
      "file": "mta-cbd-metadata.json",
      "bytes": 6758,
      "sha256": "8e3a6ebc4af7beb7e954645a6f1c10921ee04164fe996975a7bf23040310cf95"
    },
    {
      "file": "mta-cbd-taxi-zones.geojson",
      "bytes": 151843,
      "sha256": "fa3a15d9af3bf75cf9f9c40a3bd15822e8c0983b7d96a870362422556cede92c"
    },
    {
      "file": "ny_wac_S000_JT01_2021.csv.gz",
      "bytes": 2585529,
      "sha256": "3118e276c9882669b8e267ca3968055d252a6176f1256a85cb05c9c480dd5c0b"
    },
    {
      "file": "tl_2020_09_tabblock20.dbf.gz",
      "bytes": 1462174,
      "sha256": "230f39cedb96ae85efb6a10cfd9843e83aa42b7bbb51e325532692baaf9f2237"
    },
    {
      "file": "tl_2020_34_tabblock20.dbf.gz",
      "bytes": 4010424,
      "sha256": "746815e56d64f723d0a23beaf88e42d475d8a45582676d03316008a658b8570e"
    },
    {
      "file": "tl_2020_36_tabblock20.dbf.gz",
      "bytes": 8759099,
      "sha256": "c54ba5847ef806930d8e288439fd9b0f97172e0aa2bbd793bd8eadedd4b42ac1"
    },
    {
      "file": "tl_2021_09_tract.zip",
      "bytes": 2708495,
      "sha256": "b9dd3c1fd3d95fea745c07ea36f35eeaacf48f24b52692c9992a8460848c5b16"
    },
    {
      "file": "tl_2021_34_tract.zip",
      "bytes": 7065309,
      "sha256": "fe36f826e4c0c87aa6362e3719f7ddc5f3f2532a676a37671f0619ad5ec51c45"
    },
    {
      "file": "tl_2021_36061_areawater.zip",
      "bytes": 37287,
      "sha256": "db6c932d4a128ec470918a7cf94ae0354b3fd6545835f1915ed7870d30947b58"
    },
    {
      "file": "tl_2021_36061_edges.zip",
      "bytes": 1010421,
      "sha256": "44d31ccdeb255f1932858623e393fe1eb5cf4fec8e0f36be94f6fab70a88201a"
    },
    {
      "file": "tl_2021_36_tract.zip",
      "bytes": 8818897,
      "sha256": "b06a714ca62e95bf7037782c038feb396e50fc516a3b043da6f459ac203ebb11"
    },
    {
      "file": "tl_2025_09_cd119.zip",
      "bytes": 266604,
      "sha256": "5e92903e98ed2536ba8f5c8dc21556ac4cdc394885a03111ee14b7a966066392"
    },
    {
      "file": "tl_2025_09_sldl.zip",
      "bytes": 1373192,
      "sha256": "48b6e100bb3ba098fc666f28ce21d9996dcd2b4466e0eb034e7a69a59e51a4a1"
    },
    {
      "file": "tl_2025_09_sldu.zip",
      "bytes": 764833,
      "sha256": "e26f9d6b914ac5958a4edf7ce036cef52458a283e02c33772bd6c68b40949fa7"
    },
    {
      "file": "tl_2025_34_cd119.zip",
      "bytes": 954635,
      "sha256": "0bda6693ad95eaeccf6cf30e0d86842ae0928f36d8fc78b6cb9c4ac814fe2155"
    },
    {
      "file": "tl_2025_34_sldl.zip",
      "bytes": 1793686,
      "sha256": "bc07d3a7939a7f166543d1cfe05de805c2c1305e7249e64dbdef5553d32f67ab"
    },
    {
      "file": "tl_2025_34_sldu.zip",
      "bytes": 1798683,
      "sha256": "eed26229c8c0c1165c2c896f7bfcc7e1aeb23bb6c3c7780d6dfa61ecf89f57fd"
    },
    {
      "file": "tl_2025_36_cd119.zip",
      "bytes": 774013,
      "sha256": "0955e0f7060dd43af98d939cbabb10df578901184472cbba57c91518c52991c7"
    },
    {
      "file": "tl_2025_36_sldl.zip",
      "bytes": 1840215,
      "sha256": "0d1a1348b242d623981b0d9db3c35493d7b5a87f13ccfbe96bad9e751e764247"
    },
    {
      "file": "tl_2025_36_sldu.zip",
      "bytes": 1111114,
      "sha256": "38fd2ce0abb78cbe292c8252ad1fbade057ecd45057f7ce83bc4bed6c6fa194b"
    }
  ],
  "dataVintageNote": "This release is a historical modeled baseline, not 2026 toll-payment counts."
}
