UN Regulation No. 41
Motorcycle Noise

Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise

Series of Amendments and Supplements
Revisions and Amendments
Forty-eight Contracting Parties
Related groups: ASEP II, GRB, GRBP, and R41WG
Latest Documents
29 Jan 2021
Draft list of main decisions during the 73rd (January 2021) GRBP session | GRBP-73-28
2021-01-29 2021-01-29
29 Jan 2021
Technical support for the impact assessment on Euro 5 step of L-category sound emissions level limits | GRBP-73-26
2021-01-29 2021-01-29
29 Jan 2021
Priorities of the Working Party on Noise and Tyres (GRBP) | GRBP-73-24
2021-01-29 2021-01-29
18 Jan 2021
UN R41: Proposal for amendments to the 04 series of amendments | GRBP-73-04
2021-01-18 2021-01-18
4 Jan 2021
Draft report of the 7th Sound Measurement Uncertainties task force session | TFMU-07-06/Rev.1
2021-01-04 2021-01-04
A total of 135 documents are available. See more
Upcoming Meetings
Task Force on Vehicle and Tyre Noise Measurement Uncertainties | Session 10 | 22 Apr
World Forum for the Harmonization of Vehicle Regulations | Session 183 | 9-12 Mar