WP.29/2026/146
UN R68: Proposal for a Supplement 2

Proposal to amend UN R86 testing requirements:

  • Amend para. 1, Footnote 1 to update the reference to document ECE/TRANS/WP.29/78/Rev.8
  • Amend para. 5.3.2.3. to specify minimum radius of bends and transverse profile requirements for loop track curves
  • Amend para. 5.5.1.1.2. to clarify gear ratio selection and acceleration demand during measurement
  • Amend para. 5.5.5. to require recording of circuit time Ti, not less than three measurements with specified vehicle path tolerances, and a difference between extreme values not exceeding 3 per cent

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