| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| UN R117: Proposal for Supplement 4 to the 04 series of amendments |
| Reference Number: GRBP/2025/26 |
|
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. |
| Submitted by: Japan |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 20 Jun 25 |
| Document status: Formal GR review |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for a Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-26 |
|
Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions. |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: Proposal for Supplement 4 to the 04 Series of amendments |
| Reference Number: GRBP-82-27 |
|
Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text |
| Submitted by: ETRTO |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| View full document file for more information |
| UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report |
| Reference Number: GRBP-82-28 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 03 Sep 25 |
|
Relevant to
|
| IWG for Wet Grip on Worn Tyres (WGWT): Status Report |
| Reference Number: GRBP-82-31 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
| IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |
| Reference Number: GRBP-82-32 |
| Meeting Sessions: 82nd GRBP session (3-5 Sep 2025) |
| Document date: 02 Sep 25 |
|
Relevant to
|
GRBP will address amendment proposals on the test conditions for ice grip tyres that were submitted by the expert from Japan.
| GRBP/2025/26 | UN R117: Proposal for Supplement 4 to the 04 series of amendments |
|
GRBP will be briefed on the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT).
| GRBP-82-26 | UN R117: Proposal for a Supplement 4 to the 04 Series of amendments | |
| GRBP-82-27 | UN R117: Proposal for Supplement 4 to the 04 Series of amendments | |
| GRBP-82-28 | UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report | |
| GRBP-82-31 | IWG for Wet Grip on Worn Tyres (WGWT): Status Report | |
| GRBP-82-32 | IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference |