26 Dec 2024
Wet Grip on Worn Tyres: Agenda for the 65th (January 2025) session
WT-65-01
22 Dec 2024
Wet Grip on Worn Tyres: Minutes of the 64th (December 2024) session
WT-64-03
22 Dec 2024
Participants list from the 64th Worn Tyres working group session
WT-64-04
16 Dec 2024
Wet Grip on Worn Tyres: Revised test plan
(JASIC)
WT-64-02
9 Dec 2024
Wet Grip on Worn Tyres: Agenda for the 64th (December 2024) session
WT-64-01
4 Dec 2024
UN R117: Proposal for Supplement 3 to the 04 series of amendments
(ETRTO)
GRBP/2025/13
4 Dec 2024
UN R117: Proposal for Supplement 17 to the 02 series of amendments
(ETRTO)
GRBP/2025/12
21 Nov 2024
Minutes of the 63rd Worn Tyres working group session
WT-63-04
21 Nov 2024
63rd Worn Tyres working group session; Participants list
WT-63-03
19 Nov 2024
Wet Grip Worn Tyres: Test tyre allocation plan for the Stage 1 evaluation
(ETRTO, JASIC)
WT-63-02
15 Nov 2024
UN R117: Measurement uncertainties reduction in rolling sound emission test method
(ETRTO)
TFVS-15-07/Rev.1
12 Nov 2024
Wet Grip on Worn Tyres: Agenda for the 63rd (November 2024) session
WT-63-01
4 Nov 2024
ETRTO Wet Grip on Worn Tyres workplan details
(ETRTO)
WT-62-11/Rev.1
4 Nov 2024
Minutes of the 62nd Wet Grip on Worn Tyres informal group session
WT-62-04/Rev.2
24 Sep 2024
Questions and comments on proposed WGWT work plan
(JASIC)
WT-62-08
19 Sep 2024
UN R117: Status report by IWG Wet Grip on Worn Tyres
GRBP-80-34
17 Sep 2024
UN R117: Presentation on the proposal for Supplement 3 to the 04 series of amendments
GRBP-80-30
17 Sep 2024
Wet grip in worn tyres: ETRTO work plan for 2024-2025
(ETRTO)
WT-62-07/Rev.1
16 Sep 2024
UN R117: Presentation on the Evolution of the regulation
(ETRTO)
GRBP-80-25
11 Sep 2024
UN R117: Proposal for Supplement 3 to the 04 series of amendments
GRBP-80-11
8 Sep 2024
Wet grip on worn tyres: Synthesis of JASIC-ETRTO meeting
(ETRTO, JASIC)
WT-62-06
8 Sep 2024
Participants list from the 62nd Worn Tyres working group session
WT-62-05
6 Sep 2024
Minutes of the 61st Worn Tyres working group session
WT-61-03
5 Sep 2024
Minutes of the 60th Worn Tyres working group session
WT-60-08
2 Sep 2024
Response to proposal for 2024-25 wet grip on worn tyres test campaign precision improvement
(JASIC)
WT-62-03
2 Sep 2024
UN R117: New proposal for Supplement 3 to the 04 series of amendments
WT-62-02
2 Sep 2024
Agenda for the 62nd Wet Grip on Worn Tyres working group session
WT-62-01
30 Aug 2024
Agenda for the 26th Tyre Abrasion task force session
TA-26-01
22 Aug 2024
List of participants from the 61st Worn Tyres working group session
WT-61-04
22 Aug 2024
Participants list from the 60th Worn Tyres working group session
WT-60-09
29 Jul 2024
Wet Grip on Worn Tyres: Input on workplan 2024-2025
(ETRTO)
WT-61-02/Rev.1
25 Jul 2024
Agenda for the 61st Worn Tyres working group session
WT-61-01
12 Jul 2024
Worn tyres: Comments on JASIC proposal for work plan improvements
(ETRTO)
WT-60-07
9 Jul 2024
Revised proposal for worn tyre wet test precision improvement (2024-25 Test campaign) in response to chairs' proposal
(JASIC)
WT-60-06
9 Jul 2024
Agenda for the 60th Worn Tyres working group session
WT-60-01/Rev.2
8 Jul 2024
Worn tyres: Comments on leadership discussion of further work
(ETRTO)
WT-60-03
8 Jul 2024
Worn WGI C2 tyres – Recollection Part 2
(ETRTO)
WT-60-04
8 Jul 2024
UN R117: Comments on working draft 04 series amendments (wet grip on worn tyres)
(ETRTO)
WT-60-05
5 Jul 2024
Wet grip of worn tyres: Questions raised by the chairs’ presentation on 10 June 2024
WT-60-02
2 Jul 2024
Minutes of the 25th Tyre Abrasion task force session
TA-25-06
2 Jul 2024
UN R117: Proposal for a Supplement to the 04 series of amendments
(ETRTO)
GRBP/2024/25
2 Jul 2024
UN R117: Proposal for a Supplement 3 to the 04 series of amendments
GRBP/2024/23
27 Jun 2024
Minutes of the 34th Worn Tyres working group session
WT-34-08
27 Jun 2024
Participants list from the 34th Worn Tyres working group session
WT-34-07
13 Jun 2024
Participants list from the 59th Worn Tyres working group session
WT-59-05
13 Jun 2024
Minutes of the 59th Worn Tyres working group session
WT-59-04
10 Jun 2024
IWG Wet Grip of Worn Tyres: Where are we and where are we going?
(EC, France)
WT-59-03
10 Jun 2024
UN R117: Proposal for amendments to Supplement 2 to the 04 series of amendments
WT-59-02/Rev.1
5 Jun 2024
Minutes of the 58th Worn Tyres working group session
WT-58-05
5 Jun 2024
Wet Grip on Worn Tyres informal group: 2024-25 workplan-Test center mapping (anonymised)
WT-58-02/Rev.1
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