Vehicle and Tyre Noise
| Draft IWGMU status report: Achievements |
| Reference Number: IWGMU-26-05 |
| Meeting Sessions: 26th IWGMU session (10 Nov 2023) |
| Document date: 14 Nov 23 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, and United Nations Agreement | RE3 Construction of Vehicles |
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| Master ISO-Road (MISOR) |
| Reference Number: IWGMU-26-04 |
| Submitted by: VW |
| Meeting Sessions: 26th IWGMU session (10 Nov 2023) |
| Document date: 14 Nov 23 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
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| Noise measurement: Calibration procedure to reduce track-to-track variability using the SRTT tyre |
| Reference Number: IWGMU-26-03 |
| Submitted by: SINTEF |
| Meeting Sessions: 26th IWGMU session (10 Nov 2023) |
| Document date: 14 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Agenda for the 10th QRTV UN R138 task force session |
| Reference Number: TFQRTV-10-01 |
| Meeting Sessions: 10th TFQRTV session (8-9 Nov 2023) |
| Document date: 14 Nov 23 |
| Relevant to: UN Regulation No. 138 | Quiet Road Transport Vehicles |
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| Report from the 12th Vehicle Sound task force session |
| Reference Number: TFVS-12-08/Rev.1 |
| Meeting Sessions: 12th TFVS session (10 Jul 2023) |
| Document date: 15 Nov 23 |
| Relevant to: UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 59 | Replacement Silencing Systems, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, and WP.29 Discussion Topic | Vehicle Sound |
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| Report from the 26th IWGMU informal group session |
| Reference Number: IWGMU-26-06 |
| Meeting Sessions: 26th IWGMU session (10 Nov 2023) |
| Document date: 15 Nov 23 |
| Relevant to: UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
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| Measurement Results from the revised ISO 16254 – application to safety regulations |
| Reference Number: TFQRTV-10-04 |
| Submitted by: ISO |
| Meeting Sessions: 10th TFQRTV session (8-9 Nov 2023) |
| Document date: 14 Nov 23 |
| Relevant to: UN Regulation No. 138 | Quiet Road Transport Vehicles |
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| UN R117: Tyre abrasion draft amendment-On-road vehicle testing proposal |
| Reference Number: TA-18-08/Rev.1 |
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Main body and Annex 1 proposals. |
| Meeting Sessions: 18th TA session (13 Nov 2023) |
| Document date: 20 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and UN Regulation No. 186 | Tyre abrasion |
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| UNN R117: Proposal for Supplement 16 to the 02 series of amendments |
| Reference Number: GRBP/2024/5 |
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Proposal to introduce a new temperature correction formula for the rolling sound emissions of tyres of classes C1 and C2, to remove the content of the now obsolete Annex 4 as well as all its references, to update references to standards, and to make editorial improvements for clarity and consistency across tyre regulations. |
| Submitted by: ETRTO |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 20 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
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| UN R117: Proposal for Supplement 2 to the 04 series of amendments |
| Reference Number: GRBP/2024/4 |
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Proposal to reduce noise measurement variability, completing the amendment proposal adopted at the seventy-eighth session of the Working Party on Noise and Tyres (informal document GRBP-78-05 replacing ECE/TRANS/WP.29/GRBP/2023/19). |
| Submitted by: ETRTO |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 20 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Agenda for the first IG-ASEP (UN R41/R51) informal group session |
| Reference Number: IG-ASEP-02-01/Rev.1 |
| Meeting Sessions: 2nd IG-ASEP session (7 Nov 2023) |
| Document date: 07 Nov 23 |
| Relevant to: UN Regulation No. 41 | Motorcycle Noise and UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP and UN R51: Status/Goals/Timeline |
| Reference Number: IG-ASEP-02-02 |
| Meeting Sessions: 2nd IG-ASEP session (7 Nov 2023) |
| Document date: 07 Nov 23 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| ACEA study on ASEP |
| Reference Number: IG-ASEP-02-03 |
| Submitted by: UTAC |
| Meeting Sessions: 2nd IG-ASEP session (7 Nov 2023) |
| Document date: 07 Nov 23 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| Tyre Abrasion task force: Proposal for revised terms of reference |
| Reference Number: TA-16-02/Rev.4 |
| Meeting Sessions: 16th TA session (26 Sep 2023) and 18th TA session (13 Nov 2023) |
| Document date: 21 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and UN Regulation No. 186 | Tyre abrasion |
| Click here to view the full document file |
| UN R117: Proposal for Supplement 2 to the 04 series of amendments |
| Reference Number: GRBP/2024/6 |
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Proposal to complete the amendment proposal adopted at the 78th GRBP session (informal document GRBP-78-05 replacing ECE/TRANS/WP.29/GRBP/2023/19). |
| Submitted by: ETRTO |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 21 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for Supplement 16 to the 02 series of amendments |
| Reference Number: GRBP/2024/7 |
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Proposal to improve the reproducibility of the snow grip test method by replacing the current reference tyres C3 SRTTs 19.5 and 22.5 with the new reference tyres C3 SRTTs 19.5 and 22.5 siped. |
| Submitted by: ETRTO |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 21 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for Supplement 2 to the 03 series of amendments |
| Reference Number: GRBP/2024/9 |
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Proposal to improve the reproducibility of the snow grip test method by replacing the current reference tyres C3 SRTTs 19.5 and 22.5 with the new reference tyres C3 SRTTs 19.5 and 22.5 siped. |
| Submitted by: ETRTO |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 22 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to amend the 02, 03 and 04 series of amendments |
| Reference Number: GRBP/2024/17 |
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Proposal to allow the use of LT-marked tyres under certain conditions and weight limits with a rolling resistance greater than the current limits. |
| Submitted by: AAPC |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 22 Nov 23 |
| Document status: Withdrawn |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
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| Minutes of the 18th Tyre Abrasion task force session |
| Reference Number: TA-18-11 |
| Meeting Sessions: 18th TA session (13 Nov 2023) |
| Document date: 23 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and UN Regulation No. 186 | Tyre abrasion |
| Click here to view the full document file |
| UN R117: Proposal for Supplement 02 to the 04 series of amendments |
| Reference Number: GRBP/2024/10 |
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Proposal from Task Force on Tyre Abrasion (TFTA) to introduce test methods to measure tyre abrasion. |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 23 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and UN Regulation No. 186 | Tyre abrasion |
| Click here to view the full document file |
| Measurement uncertainties when testing in UN Regulations under the purview of GRBP |
| Reference Number: GRBP/2024/8 |
|
Proposal from the Measurement Uncertainties informal group for a Document for Reference providing a general approach on how to handle measurement uncertainties in UN Regulations (initially addressing UN Regulations Nos. 51 and 117). |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 24 Nov 23 |
| Document status: Formal GR review |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R138: Proposal for a new 03 series of amendments |
| Reference Number: GRBP/2024/2 |
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Proposal to specify the working principles of an Acoustic Vehicle Alerting System (AVAS) and to reduce measurement uncertainties during the measurement of the one third octave bands. |
| Meeting Sessions: 79th GRBP session (6-9 Feb 2024) |
| Document date: 24 Nov 23 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| Agenda for the 53rd Worn Tyres working group session |
| Reference Number: WT-53-01/Rev.1 |
| Meeting Sessions: 53rd WT session (5 Dec 2023) |
| Document date: 27 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Participants list from the 17th Tyre Abrasion task force session |
| Reference Number: TA-17-07 |
| Meeting Sessions: 17th TA session (26 Oct 2023) |
| Document date: 27 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance and UN Regulation No. 186 | Tyre abrasion |
| Click here to view the full document file |
| Wet Grip of New and Worn Tyres: Experimental results on C1, C2 and C3 tyres |
| Reference Number: WT-53-02 |
| Meeting Sessions: 53rd WT session (5 Dec 2023) |
| Document date: 29 Nov 23 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |