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SAE International, Taxonomy and Definitions for Terms Related to On-Road Motor Vehicle Automated Driving Systems (International standard J3016) (summary).


This document delivers a harmonized classification system and supporting definitions that:

  • Identify six levels of driving automation from "no automation" to "full automation".
  • Base definitions and levels on functional aspects of technology.
  • Describe categorical distinctions for a step-wise progression through the levels.
  • Are consistent with current industry practice.
  • Eliminate confusion and are useful across numerous disciplines (engineering, legal, media, and public discourse).
  • Educate a wider community by clarifying for each level what role (if any) drivers have in performing the dynamic driving task while a driving automation system is engaged.