UN Regulation No. 117
Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
← Revision 6 | Amendment 1
Revision 6 | Amendment 2
Revision 5 →
27 Feb 2025
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Revision 6 | Amendment 2 reproduces the following amendment(s):
UN R117: Proposal for Supplement 2 to the 04 series of amendments

Proposal to introduce measures to reduce variability in noise measurements and new test methods to measure tyre abrasion.

Authentic and legally binding text WP.29/2024/65