{
  "node_id": "sae-j3016-driving-automation-levels-2021",
  "title": "SAE J3016 2021 Taxonomy of Driving Automation Levels 0-5 for On-Road Vehicles - Definitions, Operational Design Domains, Dynamic Driving Task and Shared Responsibility Framework",
  "domain": "Aviation, Defense & Quantum",
  "version": "1.0.0",
  "last_updated": "2026-04-18",
  "bluf": "This standard establishes a globally recognized taxonomy for on-road motor vehicle automated driving systems, defining six levels (0-5) based on which entity-the human driver or the automated system-is responsible for performing the Dynamic Driving Task (DDT) and DDT fallback. The classification, detailed in Section 8, is critical for developers, regulators, and consumers to have a common understanding of system capabilities and limitations.",
  "paywall": {
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  "crosswalks": {
    "_available_keys": [
      "nist_framework",
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      "ai_overlay_2026"
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    "_note": "Full crosswalk values included in vault response"
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  "dependencies": [
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  ],
  "primary_citations_count": 7
}