Proposal to update the reference to the latest version of the ISO 10844 and to introduce transitional provisions for the shift of the test track requirements from ISO 10844: 1994 to ISO 10844: 2014.
| Reference Number: | WP.29/2015/59 |
| Meeting Session(s): | 166th WP.29 session (23-26 Jun 2015) |
| Document date: | 10 Apr 15 |
| Document status: | Adopted text published |
| Regarding: | UN R9 Three-Wheeled Cycle Noise |
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Text adopted by the Working Party on Noise (GRB) at its fifty-sixth session as a consolidated version of the Regulation and aligning the test methods with those introduced into Regulation No. 41.
| Reference Number: | WP.29/2013/2 |
| Meeting Session(s): | 159th WP.29 session (12-15 Mar 2013) |
| Document date: | 19 Dec 12 |
| Document status: | Adopted text published |
| Regarding: | UN R9 Three-Wheeled Cycle Noise |
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Proposal to clarify that conditioning of a silencing system is necessary only in cases where exhaust gases come into contact with silencer fibrous materials.
| Reference Number: | WP.29/2016/45 |
| Meeting Session(s): | 169th WP.29 session (21-24 Jun 2016) |
| Document date: | 04 Apr 16 |
| Document status: | Adopted text published |
| Regarding: | UN R9 Three-Wheeled Cycle Noise |
| Adoption Vote | |
| This proposal (WP.29/2016/45) was adopted by the World Forum. Fifteen Contracting Parties out of the 26 applying UN R9 were present for the vote by AC.1. Fifteen voted in favor with zero against and zero abstaining. | |
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Proposal to clarify the text and align the provisions of UN R9 with other vehicle sound regulations, especially UN R41, pursuant to research conducted by the European Commission.
| Reference Number: | WP.29/2017/2 |
| Meeting Session(s): | 171st WP.29 session (14-17 Mar 2017) |
| Document date: | 21 Dec 16 |
| Document status: | Adopted text published |
| Regarding: | UN R9 Three-Wheeled Cycle Noise |
| Adoption Vote | |
| This proposal (WP.29/2017/2) was adopted by the World Forum. Fifteen Contracting Parties out of the 27 applying UN R9 were present for the vote by AC.1. Fifteen voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |