| UN R117: C2 noise temperature correction update |
| Reference Number: GRBP-78-04 |
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Proposal from the Noise Measurement Uncertainties informal group to update provisions related to temperature sensitivity. |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 20 Jul 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 |
| UN R117: Proposal for Supplement 2 to the 04 series of amendments |
| Reference Number: GRBP-78-05 |
|
Proposal from the informal group on Measurement Uncertainties, superseding the proposal in document GRBP/2023/19. |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 28 Jul 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| Document status: Superseded |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: ETRTO and STEER Analysis of Measurement Uncertainty |
| Reference Number: GRBP-78-06 |
|
Submitted by the Chair of informal group on Measurement Uncertainties. |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 20 Jul 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 |
| Measurement Uncertainties: Status report of the informal group |
| Reference Number: GRBP-78-09 |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 20 Jul 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 |
| Click here to view the full document file |
| Worn Tyres: Proposal for revised Terms of Reference for the working group |
| Reference Number: GRBP-78-15 |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 02 Aug 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 |
| Worn tyres: Status report of the working group |
| Reference Number: GRBP-78-16 |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 02 Aug 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 |
| New design C3 standard reference test tyres |
| Reference Number: GRBP-78-28/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 25 Aug 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 |
| Proposal to split retreaded tyre regulation |
| Reference Number: GRBP-78-29 |
|
Small group (France, Netherlands, ETRTO, BIPAVER) proposal to restructure retreaded tyre requirements and regulations. |
| Submitted by: BIPAVER, ETRTO, France, and Netherlands |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 25 Aug 23 |
| Relevant to: UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles 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 R117: Proposal for amendments |
| Reference Number: GRBP-78-33 |
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Proposal to amend rolling resistance provisions with regard to heavy-duty-use light trucks. |
| Submitted by: AAPC |
| Meeting Sessions: 78th GRBP session (30 Aug-1 Sep 2023) |
| Document date: 29 Aug 23 |
| Document status: Informal GR review |
| 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 |
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