UN Regulation No. 51
Vehicle Noise Emissions

Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions

Series of Amendments and Supplements
Revisions and Amendments
Forty-eight Contracting Parties
Related groups: ASEP, ASEP 2.0 DG, ASEP II, GRB, GRBP, IWG-R51/R59, and TFMU
Latest Documents
25 Jun 2020
Notification of session postponement | TFMU-06-01
2020-06-25 2020-06-25
23 Jun 2020
UN R51: Proposal for revised Terms of Reference for IWG ASEP | GRBP/2020/10
2020-06-23 2020-06-23
4 Jun 2020
Updated terms of reference for the ASEP II informal group | ASEP II-16-08/Rev.1
2020-06-04 2020-06-04
3 Jun 2020
Measurement Methods for Noise Emitted by Light-duty Vehicles in Multiple Driving Mode Conditions | ASEP II-16-06
2020-06-03 2020-06-03
3 Jun 2020
Draft agenda for the 16th ASEP II informal group session | ASEP II-16-01/Rev.1
2020-06-03 2020-06-03
A total of 470 documents are available. See more
Upcoming Meetings
Working Party on Noise and Tyres | Session 72 | 7-9 Sep