Document Title UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report
Reference Number GRBP-82-28
Date
3 Sep 2025
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Meeting(s)
Downloads
UNECE server .pdf format .pptx format
GAR server .pdf format .pptx format
Excerpts from session reports related to this document
GRBP | Session 82 | 3-5 Sep 2025

14. The newly established Group of Interested Experts (GOIE) on tyre noise level alignment reported on their first activities (GRBP-82-28), including a feasibility study to develop a test method with a Standard Reference Test Tyre (SRTT) to reduce the dispersion of measurements for tyres of Classes C1 and C2.