GRVA/2026/16
UN R171: Proposal for a Supplement [4] to the original text
Source(s)
Date
14 Apr 2026
Status
Formal GR review
Subject
Impact
Original text | Supplement 4
Meeting(s)

Proposal to amend UN R171 based on GRVA/2026/15:

  • Insert new introduction paragraph 17 establishing the regulation on current technology with continuous review based on data
  • Amend paragraphs on system boundaries, driver disengagement detection, manoeuvre initiation, and Risk Mitigation Function
  • Clarify driver state monitoring and visual engagement assessment
  • Update terminology for powertrain
  • Delete duplicate definitions
  • Add processes for safety management during operation phase
  • Insert definition of “Evidence”
  • Clarify base and extended test requirements
  • Update language from “cyclist” to “bicycle” in test scenarios

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