Working Party on Noise and Tyres | Session 73 | 26-29 Jan 2021
Geneva
AGENDA
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Agenda Item 3.
UN Regulation No. 51 (Noise of M and N categories of vehicles)

GRBP will be informed about the activities of the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) and of the Informal Working Group on Measurement Uncertainties (IWG MU) and will address proposals prepared by these IWGs.

GRBP may wish to consider additional submissions concerning UN R51.

Documentation
GRBP-73-05 UN R51: Proposal for 04 series of amendments
GRBP-73-11 ETRTO Tyre Performance Study (ETRTO)
GRBP-73-14/Rev.1 Status report of the Sound Measurement Uncertainties informal working group
GRBP-73-15 General Approach to Estimate Sound Measurement Uncertainties
GRBP-73-16 Revised terms of reference for the Sound Measurement Uncertainties informal group
GRBP-73-17 UN R51: Proposal to amend the 03 series of amendments
GRBP-73-23 Study on sound level limits of M- and N-category vehicles (EC)
GRBP-73-25 Study on future sound-limit values (ACEA)
UN R51
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