WP.29/2026/194
UN R171: Proposal for a Supplement 2 to the 01 series of amendments
Source(s)
Date
7 Sep 2026
Status
Formal WP.29 review
Subject
Impact
01 series of amendments | Supplement 2
Meeting(s)

Proposal to:

  • Amend the introduction to clarify that the regulation is established based on current technology and limited vehicle data, with continuous review based on technology development and monitoring data,
  • Amend the definition of ‘Target Lane’,
  • Insert a definition of ‘Highway-like road’,
  • Amend requirements for system boundary detection, steering support at boundaries, manoeuvre initiation conditions, lane change responses, driver unavailability response, and driver disengagement detection,
  • Amend provisions for withholding of hands-on-requirements on highways and highway-like roads up to 130 km/h,
  • Insert requirements for system behaviour when driver disengagement is detected during manoeuvres,
  • Amend approaching vehicle deceleration requirements,
  • Amend production discontinuation criteria,
  • Insert documentation requirements for system information strategy and operation phase safety management,
  • Amend Annex 4 testing provisions to include bicycle target testing and provisions for non-rule-based algorithms,
  • Amend simulation tool criticality analysis requirements in Annex 5.

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