Document Number GRBP-82-28
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Document title UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report
Date 3 Sep 2025
Status
Rulemaking area(s)
Meeting(s)
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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.