Working Party
Working Party on Noise and Tyres
71st session | Geneva | 28-31 Jan 2020
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) as well as of the Task Force on Measurement Uncertainties (TF MU) and will consider any draft amendments prepared by IWG ASEP or TF MU.

GRBP-71-04 | UN R51, UN R117 TF Measurement Uncertainties (MU): Status report
GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
GRBP-71-11 | UN R51: EC Study on sound level limits of M- and N- category vehicles
GRBP-71-21 | UN R51: TF Measurement Uncertainties update on the strategic approach to handle uncertainties
GRBP-71-24 | UN R51 : Proposal for revision of ASEP as a future concept of real driving
GRBP-71-25 | UN R51 : ASEP II informal group status report
GRBP-71-31/Rev.1 | UN R51: Draft Terms of Reference TF Measurement Uncertainties (MU)