Traffic analysis district

{
  "id": "MLC-T-ECS-001972",
  "term": "Traffic analysis district",
  "field": "Economic statistics",
  "term_source": "Traffic Analysis District",
  "definition": "A higher-level area delineated by state and/or local transportation officials for tabulating traffic-related data especially journey-to-work and place-of-work statistics. TADs are built by aggregating traffic analysis zones (TAZs), if TAZs also exist for an area. TADs are not included in standard American Community Survey or decennial census products, and are required to have a minimum population of 20,000 in order to qualify for three-year sample American Community Survey estimates through the Census Transportation Planning Products (CTPP).",
  "abbreviation": "TAD",
  "see_also": [
    "American Community Survey",
    "Census Transportation Planning Products",
    "Traffic Analysis Zone"
  ],
  "references": [
    "U.S. Census Bureau Glossary"
  ],
  "url": "https://mlchart.com/terminology/economic-statistics/traffic-analysis-district/"
}