Date | Reference | Description | Status | ||||
---|---|---|---|---|---|---|---|
29 Apr 2019 | WT-01-02/Rev.2 |
Draft agenda for the first Wet Grip and Worn Tyres (WGWT) informal group session
|
Informal Group | Agenda | 29 Apr 2019 | ||
11 Mar 2019 | WT-01-01 |
Russia note on the performance of worn tyres with regard to wet grip
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 11 Mar 2019 | |
26 Apr 2019 | WT-01-03 |
Worn tyres: Tyre industry working draft proposal
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 26 Apr 2019 | |
29 Apr 2019 | WT-01-04 |
Worn tyres: Additional prescriptions to UN R117
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 29 Apr 2019 | |
10 May 2019 | WT-01-05 |
Draft minutes of the first WGWT informal group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 May 2019 | |
10 May 2019 | WT-01-06 |
Attendance list from the first WGWT informal group session
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 May 2019 | |
10 May 2019 | WT-01-07 |
Average Worn Profile of Tires in Europe
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 May 2019 | |
16 Jul 2019 | WT-02-01/Rev.1 |
Draft agenda for the 2nd WGWT informal group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 16 Jul 2019 | |
16 Jul 2019 | WT-02-02/Rev.1 |
Worn tyres: Tyre industry work status
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 16 Jul 2019 | |
30 Jul 2019 | WT-02-02/Rev.2 |
Worn tyres: Tyre industry work status
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 30 Jul 2019 | |
30 Jul 2019 | WT-02-03 |
Draft minutes of the 2nd WT informal group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 30 Jul 2019 | |
10 Sep 2019 | WT-03-01/Rev.2 |
Draft agenda for the 3rd Worn Tyres working group session
|
Informal Group | Agenda | 10 Sep 2019 | ||
05 Sep 2019 | WT-03-02/Rev.1 |
UN R117: Worn tyre wet grip performance proposals
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Sep 2019 | |
04 Sep 2019 | WT-03-03 |
Worn tyre buffing machine discussion presentation
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 4 Sep 2019 | |
18 Oct 2019 | WT-04-01/Rev.1 |
Draft agenda for the 4th informal group on Worn Tyres session
|
Informal Group | Agenda | 18 Oct 2019 | ||
27 Sep 2019 | WT-03-10 |
Draft minutes of the 3rd Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Sep 2019 | |
27 Sep 2019 | WT-03-06 |
EU Sectoral Profile - Transport
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Statistical data on road transport from the EU. | 27 Sep 2019 |
19 Sep 2019 | WT-03-05 |
Worn-tyre wet-grip performance: ongoing tests in France
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 19 Sep 2019 | |
27 Sep 2019 | WT-03-08 |
Worn Tyres working group action list-France
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Sep 2019 | |
27 Sep 2019 | WT-03-07 |
Worn tyres wet traction work plan step 1
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Sep 2019 | |
21 Oct 2019 | WT-03-09/Rev.1 |
Attendance list from the 3rd Working Tyres working group session
|
Informal Group | Informal | 21 Oct 2019 | ||
17 Oct 2019 | WT-04-02 |
Worn Tyres: Tyre Industry work plan proposal
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 17 Oct 2019 | |
31 Oct 2019 | WT-04-02/Rev.1 |
Worn tyres: Industry work plan proposal
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 31 Oct 2019 | |
18 Oct 2019 | WT-04-03 |
Worn tyres: Japan test campaign
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Oct 2019 | |
18 Oct 2019 | WT-04-04 |
Worn tyres: Testing companies work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Oct 2019 | |
18 Oct 2019 | WT-04-05 |
Worn tyres group timeline
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Oct 2019 | |
18 Oct 2019 | WT-04-06 |
Worn tyres: Items to consider, including ageing
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | EC recommendations based on the <a href='https://op.europa.eu/en/publication-detail/-/publication/f3f32f73-7b42-4dda-b830-b3bd48090cfb' target='_blank'>Study on some safety-related aspects of tyre use</a>. | 18 Oct 2019 |
21 Oct 2019 | WT-04-07/Rev.1 |
Minutes of the 4th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Oct 2019 | |
21 Oct 2019 | WT-04-08 |
Participants list from the 4th Worn Tyres working group session
|
Informal Group | Informal | 21 Oct 2019 | ||
12 Nov 2019 | WT-05-01 |
Draft agenda for the 5th Worn Tyres working group session
|
Informal Group | Agenda | 12 Nov 2019 | ||
20 Nov 2019 | WT-05-02 |
Worn tyres: ETRTO input for the informal group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Nov 2019 | |
26 Nov 2019 | WT-05-03 |
Worn tyres: Capacity assessment of the test centers
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 26 Nov 2019 | |
26 Nov 2019 | WT-05-04 |
Worn Tyres informal group tyre selection
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 26 Nov 2019 | |
26 Nov 2019 | WT-05-05 |
Draft report of the 5th Worn Tyres informal group session
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 26 Nov 2019 | |
26 Nov 2019 | WT-05-06 |
Worn Tyres informal group timeline
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 26 Nov 2019 | |
12 Dec 2019 | WT-06-01/Rev.3 |
Draft agenda for the 6th Worn Tyres working group session
|
Informal Group | Agenda | 12 Dec 2019 | ||
18 Dec 2019 | WT-06-02/Rev.1 |
Work plan of the Worn Tyres working group
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Dec 2019 | |
10 Dec 2019 | WT-06-03 |
Draft tyre selection for the Worn Tyres working group program
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 Dec 2019 | |
18 Dec 2019 | WT-06-04/Rev.1 |
Macro Gantt chart for the Worn Tyres work program
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Dec 2019 | |
10 May 2006 | WT-06-06 |
RMA (USTMA) data on scrap tire chronological age
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 May 2006 | |
12 May 2014 | WT-06-07 |
Tire Aging: A Summary of NHTSA’s Work
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 12 May 2014 | |
11 Dec 2019 | WT-06-05 |
ITMA tyre selection for the Worn Tyres working group
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 11 Dec 2019 | |
18 Dec 2019 | WT-06-08 |
Draft minutes of the 6th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 18 Dec 2019 | |
18 Dec 2019 | WT-06-09 |
Attendance list from the 6th Worn Tyres working group session
|
Informal Group | Informal | 18 Dec 2019 | ||
09 Jan 2020 | WT-07-01 |
Draft agenda for the 7th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Jan 2020 | |
16 Jan 2020 | WT-07-02 |
Worn Tyres: Matrix for conducting testing of tyres
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 16 Jan 2020 | |
20 Jan 2020 | WT-07-03 |
Minutes of the 7th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Jan 2020 | |
20 Jan 2020 | WT-07-04 |
Participants list from the 7th Worn Tyres working group session
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Jan 2020 | |
24 Jan 2020 | WT-08-01 |
Draft agenda for the 8th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 24 Jan 2020 | |
24 Jan 2020 | WT-08-02 |
Draft status report of the Working Group on Worn Tyres
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 24 Jan 2020 | |
27 Jan 2020 | WT-08-03 |
Proposal on winter tyres buff profile
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Jan 2020 | |
27 Jan 2020 | WT-08-04 |
Worn tyres working group testing and validation matrix
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Jan 2020 | |
27 Jan 2020 | WT-08-05 |
Worn tyres: Proposals on Trailer Method test campaign
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Jan 2020 | |
27 Jan 2020 | WT-08-06 |
Worn tyre wet-grip performance: Ongoing tests status
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Jan 2020 | |
27 Jan 2020 | WT-08-07 |
IWG for Wet Grip of Worn Tyres: Status report to 71st GRBP (January 2020)
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Jan 2020 | |
04 Feb 2020 | WT-08-08 |
Minutes of the 8th Worn Tyres Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 4 Feb 2020 | |
28 Jan 2020 | WT-08-09 |
Attendance list from the 8th Worn Tyres Working Group session
|
Informal Group | Informal | 28 Jan 2020 | ||
13 Feb 2020 | WT-09-01 |
Japan comments on report of the 8th Worn Tyres working group session
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 13 Feb 2020 | |
05 Mar 2020 | WT-09-03/Rev.2 |
Agenda for the 8th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Mar 2020 | |
13 Feb 2020 | WT-09-02 |
Worn Tyres working group and EU timetables
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 13 Feb 2020 | |
09 Mar 2020 | WT-09-04/Rev.2 |
Contacts for worn tyre validation test centres
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-05/Rev.2 |
Logistical matrix for worn-tyre test procedure validations
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-06/Rev.1 |
Buffing report template for worn-tyre round robin testing
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
05 Mar 2020 | WT-09-08 |
Reference Tyre and Wet Grip Index calculation: Trailer Method test campaign
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Mar 2020 | |
09 Mar 2020 | WT-09-07/Rev.1 |
Worn tyre testing raw data template
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-09 |
Worn tyres validation testing logistical principles
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-10 |
Worn tyres round-robin guidelines for testing centers-example
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-12 |
Attendance list from the 9th Worn Tyres working group session
|
Informal Group | Informal | 9 Mar 2020 | ||
09 Mar 2020 | WT-09-13 |
China customs clearance for non-CCC tyres
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
09 Mar 2020 | WT-09-14 |
Worn tyre test engagement letter (template)
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Mar 2020 | |
11 Mar 2020 | WT-09-11 |
Draft minutes of the 9th Work Tyres Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 11 Mar 2020 | |
23 Apr 2020 | WT-10-01/Rev.1 |
Draft agenda for the 10th Worn Tyres Working Group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Apr 2020 | |
09 Apr 2020 | WT-10-02 |
Worn tyres: Example of individual test report
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Apr 2020 | |
09 Apr 2020 | WT-10-03 |
Worn tyres: Example of aggregated test report
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Apr 2020 | |
28 Apr 2020 | WT-10-04 |
UN R117: Worn tyres and roughness measurement
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Assessment of ISO 4287-1997 and ISO 25178-2016 (Part 1:2016 or 25178 series) regarding the reference standard for the roughness measurement. | 28 Apr 2020 |
27 Apr 2020 | WT-10-05 |
Worn tyres test program: Impact of COVID-19 for tyre logistics in Japan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Apr 2020 | |
27 Apr 2020 | WT-10-06 |
Worn Tyres: Impact of COVID-19 on tyre industry and the informal group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Apr 2020 | |
27 Apr 2020 | WT-10-07 |
Status of worn tyres work plan as of 27 April
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 27 Apr 2020 | |
27 Apr 2020 | WT-10-08 |
UN R117: Worn tyre buffing method
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Tyre Industry preliminary worn tyre definition proposal with an updated proposal for the tyre buffing method. | 27 Apr 2020 |
08 May 2020 | WT-10-09 |
Minutes of the 10th Worn Tyre Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 8 May 2020 | |
08 May 2020 | WT-10-10 |
Attendance list from the 10th Worn Tyres Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 8 May 2020 | |
25 May 2020 | WT-11-01/Rev.1 |
Draft agenda for the 11th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 May 2020 | |
25 May 2020 | WT-11-02 |
Worn tyres: Tread depth measurement locations SRTT 16’’
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 May 2020 | |
25 May 2020 | WT-11-03 |
Life Test Study on New tyres versus Worn tyres
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 May 2020 | |
02 Jun 2020 | WT-11-04 |
Status of the Worn Tyres informal group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Jun 2020 | |
02 Jun 2020 | WT-11-05 |
Worn tyres: UTAC aggregated test report
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Jun 2020 | |
02 Jun 2020 | WT-11-06 |
Participants list from the 11th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Jun 2020 | |
02 Jun 2020 | WT-11-07 |
Minutes of the 11th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Jun 2020 | |
21 Jun 2020 | WT-12-01/Rev.1 |
Draft agenda for the 12th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Jun 2020 | |
15 Jun 2020 | WT-08-04/Rev.2 |
Worn tyres working group testing and validation matrix
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Updated for the 12th WT working group session. | 15 Jun 2020 |
15 Jun 2020 | WT-09-04/Rev.3 |
List of contact test centers
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Updated for the 12th Worn Tyres working group session. | 15 Jun 2020 |
21 Jun 2020 | WT-12-03 |
Worn tyres: Buffing procedures preliminary experience
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Jun 2020 | |
21 Jun 2020 | WT-12-02 |
Status of the Worn Tyres Working Group work plan as of 18 June
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Jun 2020 | |
21 Jun 2020 | WT-12-04 |
Worn tyres: ETRTO response on question from IDIADA regarding tread depth measurement in shoulder zone
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Jun 2020 | |
22 Jun 2020 | WT-12-06 |
IDIADA worn tyres aggregated testing report
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Jun 2020 | |
23 Jun 2020 | WT-12-06/Rev.1 |
Worn tyres: IDIADA aggregated testing data with task force comments
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Jun 2020 | |
23 Jun 2020 | WT-12-07 |
Minutes of the 12th Worn Tyres Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Jun 2020 | |
23 Jun 2020 | WT-12-05 |
Participants list from the 12th Worn Tyres Working Group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Jun 2020 | |
25 Jun 2020 | WT-12-08 |
Life Test Study on New Tyres vs Worn Tyres: France
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 Jun 2020 | |
05 Jul 2020 | WT-13-02 |
Worn tyres: Aggregate testing reports
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Validation testing report template for consideration during the 13th informal group session. | 5 Jul 2020 |
06 Jul 2020 | WT-13-01 |
Agenda for the 13th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 6 Jul 2020 | |
22 Jul 2020 | WT-13-03 |
Status of the Worn Tyres working group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Jul 2020 | |
22 Jul 2020 | WT-13-04 |
Worn Tyres working group draft status report to GRBP
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Jul 2020 | |
22 Jul 2020 | WT-13-05 |
Participants list from the 13th Worn Tyres working group session
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Jul 2020 | |
22 Jul 2020 | WT-13-06 |
Minutes of the 13th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Jul 2020 | |
29 Aug 2020 | WT-14-01 |
Draft agenda for the 14th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 29 Aug 2020 | |
09 Sep 2020 | WT-14-02 |
Worn tyres: Aggregated testing report
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 9 Sep 2020 | |
10 Sep 2020 | WT-14-03 |
Worn tyres: Test data collection tables
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 10 Sep 2020 | |
23 Sep 2020 | WT-14-06 |
Attendance list of the 14th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Sep 2020 | |
15 Sep 2020 | WT-14-05 |
Minutes of the 14th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 15 Sep 2020 | |
15 Sep 2020 | WT-14-04 |
Work plan of the Worn Tyres working group
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 15 Sep 2020 | |
23 Oct 2020 | WT-15-02/Rev.1 |
Status of the Worn Tyres informal group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Oct 2020 | |
17 Oct 2020 | WT-15-03 |
Worn tyres informal group data collection template
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 17 Oct 2020 | |
23 Oct 2020 | WT-15-04/Rev.1 |
Worn tyres: Proposal for data sharing process
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Oct 2020 | |
21 Oct 2020 | WT-15-05/Rev.2 |
Worn tyres: Guidelines for testing phase of the informal group work plan
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Oct 2020 | |
19 Oct 2020 | WT-15-01 |
Agenda for the 15th Worn Tyres informal group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 19 Oct 2020 | |
20 Oct 2020 | WT-08-04/Rev.1 |
Worn tyres working group testing and validation matrix
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Oct 2020 | |
23 Oct 2020 | WT-15-07 |
Attendance list from the 15th Worn Tyres informal group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Oct 2020 | |
23 Oct 2020 | WT-15-08 |
Worn tyres data collection template (final version)
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Oct 2020 | |
23 Oct 2020 | WT-15-06 |
Draft report of the 15th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Oct 2020 | |
19 Nov 2020 | WT-16-01/Rev.1 |
Draft agenda for the 16th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 19 Nov 2020 | |
16 Nov 2020 | WT-08-04/Rev.3 |
Worn tyres working group testing and validation matrix
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 16 Nov 2020 | |
16 Nov 2020 | WT-16-03 |
SRTT 16" tread depth wear evolution measurements
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 16 Nov 2020 | |
21 Nov 2020 | WT-16-06 |
Draft minutes of the 16th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Nov 2020 | |
21 Nov 2020 | WT-16-05 |
Attendance list from the 16th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Nov 2020 | |
21 Nov 2020 | WT-16-02 |
Status of the Worn Tyres working group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Nov 2020 | |
19 Nov 2020 | WT-16-04 |
Worn tyres: Proposals for sharing of the buffing reports
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 19 Nov 2020 | |
05 Jan 2021 | WT-16-03/Rev.2 |
SRTT 16" tread depth wear evolution measurements
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Jan 2021 | |
05 Jan 2021 | WT-17-02 |
Draft minutes of the 11 December WGWT working group session with test centers
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Jan 2021 | |
05 Jan 2021 | WT-17-03 |
Surface roughness studies on buffed tires: Lateral Scanning vs Circumferential Scanning
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Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 5 Jan 2021 | |
14 Jan 2021 | WT-17-01 |
Draft agenda for the 17th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 14 Jan 2021 | |
19 Jan 2021 | WT-16-03/Rev.3 |
SRTT 16" tread depth wear evolution measurements
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 19 Jan 2021 | |
23 Mar 2021 | WT-17-05/Rev.1 |
Effect of Tyre Mean Texture Depth on µ peak and Average Deceleration
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Mar 2021 | |
20 Jan 2021 | WT-17-04 |
Status of the Worn Tyres working group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Jan 2021 | |
20 Jan 2021 | WT-17-06 |
Attendance list from the 17th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Jan 2021 | |
20 Jan 2021 | WT-17-07 |
Draft Worn Tyres working group status report to GRBP
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 20 Jan 2021 | |
01 Mar 2021 | WT-17-08/Rev.1 |
Final minutes of the 17th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 1 Mar 2021 | |
17 Feb 2021 | WT-18-01 |
Draft agenda for the 18th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 17 Feb 2021 | |
22 Feb 2021 | WT-18-04 |
Worn tyres: Draft buffing procedure evaluation sheet
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Feb 2021 | |
21 Feb 2021 | WT-18-02 |
Worn tyres: C2 and C3 considerations
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 21 Feb 2021 | |
02 Mar 2021 | WT-18-06/Rev.1 |
Minutes of the 18th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Mar 2021 | |
02 Mar 2021 | WT-18-05 |
Attendance list from the 18th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Mar 2021 | |
02 Mar 2021 | WT-18-03 |
Worn Tyres working group work plan status
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 2 Mar 2021 | |
22 Mar 2021 | WT-19-01/Rev.1 |
Agenda for the 19th Worn Tyres working group session
|
Informal Group | Agenda | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Mar 2021 | |
22 Mar 2021 | WT-19-02 |
Worn tyres: Concept for C2 and C3 tyres
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 22 Mar 2021 | |
25 Mar 2021 | WT-19-03 |
Worn tyres: Minutes of ETRTO-CATARC discussion on 9 March 2021
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 Mar 2021 | |
23 Mar 2021 | WT-19-04 |
Worn tyres: Wet grip test issue
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | Presentation on wet grip test issue concerning to use of SRTT<sub>worn</sub> for RRT. | 23 Mar 2021 |
23 Mar 2021 | WT-19-05 |
Attendance list from the 19th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 23 Mar 2021 | |
25 Mar 2021 | WT-19-06 |
Draft minutes of the 19th Worn Tyres working group session
|
Informal Group | Report | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 Mar 2021 | |
25 Mar 2021 | WT-19-07 |
Status of the Worn Tyres working group work plan
|
Informal Group | Informal | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance | 25 Mar 2021 |