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Tuesday, 29 September 2026
Week 40
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Working Party on General Safety | Session 132 | 28 Sep-2 Oct
RDASEP Task Force on Data Analysis | Session 17 | 29 Sep
Driver Drowsiness and Distraction Warning Systems | Session 10 | 5-7 ...
GRSP Task Force on Automated Vehicles and Regulation Screening | Session...
Informal Working Group on Automated Driving Systems | Session 22 | 6-9 ...
Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems | Session 13 | ...
Task Force on Tyre Abrasion | Session 52 | 8-9 Oct
Task Force on the 03 series of amendments to UN R40 | Session 1 | 9 Oct
Automotive Life Cycle Assessment | Session 44 | 13 Oct
Electric Vehicles and the Environment | Session 100 | 13 Oct
Equitable Occupant Protection | Session 17 | 14 Oct
Working Party on Pollution and Energy | Session 95 | 14-16 Oct
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Wet Grip on Worn Tyres
← WT 17
Session 18
WT 19 →
22 Feb 2021 · Online
Minutes of the 18th Worn Tyres working group session
Reference Number:
WT-18-06/Rev.1
Meeting Sessions:
18th WT session (22 Feb 2021)
Document date:
02 Mar 21
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
Attendance list from the 18th Worn Tyres working group session
Reference Number:
WT-18-05
Meeting Sessions:
18th WT session (22 Feb 2021)
Document date:
02 Mar 21
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 working group work plan status
Reference Number:
WT-18-03
Meeting Sessions:
18th WT session (22 Feb 2021)
Document date:
02 Mar 21
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: Draft buffing procedure evaluation sheet
Reference Number:
WT-18-04
Meeting Sessions:
18th WT session (22 Feb 2021)
Document date:
22 Feb 21
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: C2 and C3 considerations
Reference Number:
WT-18-02
Submitted by:
ETRTO
Meeting Sessions:
18th WT session (22 Feb 2021)
Document date:
21 Feb 21
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
All Documents
6 documents
Agenda
Available
Informal
3 submissions
Report
Session report
Latest Documents
View all →
2 Mar 2021
WT-18-06/Rev.1
Minutes of the 18th Worn Tyres working group session
2 Mar 2021
WT-18-05
Attendance list from the 18th Worn Tyres working group session
2 Mar 2021
WT-18-03
Worn Tyres working group work plan status
22 Feb 2021
WT-18-04
Worn tyres: Draft buffing procedure evaluation sheet
22 Feb 2021
WT-18-02
Worn tyres: C2 and C3 considerations
(ETRTO)