| Description (click for more information) | Reference No. | |||||
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Agenda for the 23rd Worn Tyres working group session
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WT-23-01 | 21 Jun 2021 | Informal Group | 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 | WT-23-0001 | |
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UN R117: Comments on the draft provisions for worn tyres
(ETRTO and JASIC)
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WT-23-03 | 21 Jun 2021 | Informal Group | 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 | WT-23-0003 | |
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UN R117: Comments on the draft provisions for worn tyre wet grip
(Netherlands)
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WT-23-04 | 21 Jun 2021 | Informal Group | 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 | WT-23-0004 | |
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Attendance list from the 23rd Worn Tyres working group session
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WT-23-05 | 01 Jul 2021 | Informal Group | 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 | WT-23-0005 | |
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UN R117: Proposal for amendments
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WT-23-06 | 01 Jul 2021 | Informal Group | 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 | Proposal to introduce a procedure and thresholds on wet grip performance for tyres in worn state for C1 tyres as submitted to GRBP by the Worn Tyres working group. | WT-23-0006 |
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Draft minutes of the 23rd Worn Tyres working group session
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WT-23-07 | 01 Jul 2021 | Informal Group | 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 | WT-23-0007 |