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

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Date Reference Description Status
04 Jan 2021 GRBP-73-02
Proposal to amend the Worn Tyres informal working group Terms of Reference
Working Party 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 Proposal to expand the scope of the activity to include C2 and C3 tyres.
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
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
05 Jan 2021 WT-17-03
Surface roughness studies on buffed tires: Lateral Scanning vs Circumferential Scanning
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
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
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
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
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 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 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
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
21 Jan 2021 GRBP-73-08
Proposal to amend the Worn Tyres working group terms of reference
Working Party 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 Proposal to include requirements for wet grip of tyres of classes C2 and C3 in worn state to the scope of the working group activities.
21 Jan 2021 GRBP-73-11
ETRTO Tyre Performance Study
Working Party Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Overview of UTAC CERAM testing designed to consider the impact of additional tightening of tyre performance limits on the balance between legal requirements (rolling resistance, wet grip and rolling sound emission) and other performance aspects not subject to legal requirements.
21 Jan 2021 GRBP-73-16
Revised terms of reference for the Sound Measurement Uncertainties informal group
Working Party Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jan 2021 GRBP-73-18
Status report of the Worn Tyres working group
Working Party 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 Jan 2021 GRBP-73-19
UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres
Working Party 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 2021 GRBP-73-22
Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres
Working Party 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 2021 GRBP-73-24
Priorities of the Working Party on Noise and Tyres (GRBP)
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Audible Reversing Warning Systems Reversing Warning
28 Jan 2021 GRBP-73-27
Working group on Worn Tyres: Proposal for revised terms of reference
Working Party 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 Jan 2021 GRBP-73-28
Draft list of main decisions during the 73rd (January 2021) GRBP session
Working Party Informal Pneumatic Tires Pneumatic Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Vehicles and their Trailers Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Motorcycle and Moped Tires Motorcycle Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Cycles and Mopeds Retreaded Tires for Commercial Vehicles CV Retreaded Tires Uniform Provisions Concerning the Approval for the Production of Retreaded Pneumatic Tyres for Commercial Vehicles and their Trailers 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 Passenger Car and Trailer Wheels Passenger Car/Trailer Wheels Uniform Provisions Concerning the Approval of Wheels for Passenger Cars and their Trailers Tire Pressure Monitoring Systems Tire Pressure Monitoring Systems Uniform provisions concerning the approval of vehicles with regard to their tyre pressure monitoring systems Audible Reversing Warning Systems Reversing Warning UN Regulation for the Approval of Studded Tyres Studded Tyres
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
19 Feb 2021 TFMU-09-01
Draft agenda for the 9th TFMU task force session
Informal Subgroup Agenda Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Feb 2021 TFMU-08-04
Noise measurement uncertainties: Draft heavy commercial vehicle calculation sheet
Informal Subgroup Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Feb 2021 TFMU-08-06
Attendance list from the 8th TFMU informal group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Feb 2021 TFMU-09-02
Temperature effects on tyre/road noise– presentations from the STEER project
Informal Subgroup Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 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
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
23 Feb 2021 TFMU-08-05
Draft report of the 8th TFMU informal group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Feb 2021 TFMU-09-05
Attendance list from the 9th Noise Measurement Uncertainties informal group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
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
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
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
05 Mar 2021 WP.29-183-06
UN R117: Proposal to amend document WP.29/2021/8
World Forum 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 Proposal to replace "markings" by "approval mark" in paragraph 4.4.1. to clearly specify the intended application of the provision (i.e., to the approval mark, not to all markings).
30 Mar 2021 TFSL-01-01/Rev.2
Agenda for the first Sound Limits task force session
Informal Group Agenda Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
01 Apr 2021 TFSL-01-03/Rev.2
Guidelines for task force on Sound Limits
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 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 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
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
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 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
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 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
30 Mar 2021 TFSL-01-02
Attendance list from the first future Sound Limits task force session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
01 Apr 2021 TFSL-01-07
Draft report of the first Sound Limits task force session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
07 Apr 2021 VRU-Proxi-17-17
Application dates of the safety measures under the General Vehicle Safety Regulation (EU) 2019/2144
Informal Group Informal Light-Duty Vehicle Braking Light Vehicle Braking Uniform Provisions Concerning the Approval of Passenger Cars with regard to Braking 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 Advanced Emergency Braking Systems Advanced Emergency Braking Uniform provisions concerning the approval of motor vehicles with regard to advanced emergency braking systems Tire Pressure Monitoring Systems Tire Pressure Monitoring Systems Uniform provisions concerning the approval of vehicles with regard to their tyre pressure monitoring systems Blind-spot information systems (BSIS) Blind spot detection Uniform provisions concerning the approval of motor vehicles with regard to the Blind Spot Information System for the Detection of Bicycles Automatic Emergency Braking for M1/N1 vehicles Light Vehicle AEBS Uniform provisions concerning the approval of motor vehicles with regard to the Advanced Emergency Braking System (AEBS) for M<sub>1</sub> and N<sub>1</sub> vehicles Cyber Security and Cyber Security Management Cybersecurity Uniform provisions concerning the approval of vehicles with regards to cyber security and cyber security management system Software Update Processes and Management Systems SW Updates Uniform provisions concerning the approval of vehicles with regards to software update and software update management system Reversing Motion Detection Reversing Motion Uniform provisions concerning the approval of devices for reversing motion and motor vehicles with regard to the driver’s awareness of vulnerable road users behind vehicles Event Data Recorders EDR Uniform provisions concerning the approval of motor vehicles with regard to the Event Data Recorder UN Regulation on Commercial Vehicle Direct Vision CV Direct Vision Data Storage Systems for Automated Driving DSSAD
15 Apr 2021 TFMU-10-01
Agenda for the 10th Noise Measurement Uncertainties task force session
Informal Subgroup Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Apr 2021 WT-20-01
Agenda for the 20th 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
21 Apr 2021 WT-20-02
Consolidated comments on C2/C3 worn tyres wet grip test 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
21 Apr 2021 TFMU-10-03
UN R117: Comments on temperature selection and noise measurement uncertainties
Informal Subgroup 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 Apr 2021 TFMU-10-04
Update on noise measurement uncertainties and heavy commercial vehicles
Informal Subgroup Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 2021 TFMU-09-04/Rev.1
Report of the 9th Noise Measurement Uncertainties informal group session
Informal Subgroup Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 2021 WT-20-03
Worn Tyres informal 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
27 Apr 2021 WT-20-04
Attendance list from the 20th 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 Apr 2021 WT-20-05
Draft minutes from the 20th 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
12 May 2021 TFSL-02-04
Comments on the draft Sound Limits task force guidelines
Informal Group Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles
12 May 2021 TFSL-02-06
Comments on the draft Sound Limits task force guidelines
Informal Group Informal Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles 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 2021 TFSL-02-03/Rev.1
Comments on the draft Sound Limits task force guidelines
Informal Group Informal Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles 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 2021 TFSL-02-11
Consolidated comments on the Sound Limits task force guidelines
Informal Group Informal Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise 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 Audible Warning Devices and Signals Audible Warning Devices Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV)
20 May 2021 WT-21-01/Rev.2
Draft agenda for the 21st 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
28 May 2021 WT-21-06
Draft minutes of the 21st 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 May 2021 TFSL-02-07
Proposal for noise regulation matrix
Informal Group Informal Audible Warning Devices and Signals Audible Warning Devices Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems 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 Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV)
19 May 2021 TFMU-11-01
Agenda for the 11th Noise Measurement Uncertainties informal group
Informal Subgroup Agenda Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
09 Jun 2021 TFMU-11-08
Attendance list from the 11th Noise Measurement Uncertainties group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 2021 TFMU-10-05
Draft report of the 10th Noise Measurement Uncertainties group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 2021 TFMU-10-06
Attendance list from the 10th Noise Measurement Uncertainties group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jun 2021 WT-22-01
Agenda for the 22nd Worn Tyres 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
18 May 2021 WT-21-04
UN R117: Supplement 13 excerpts relevant to 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
21 May 2021 WT-21-03/Rev.1
Supplement 13 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
20 May 2021 WT-21-05
Worn tyres: Results of buffing procedure evaluations
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 Jun 2021 TFMU-11-07
Draft report of the 11th Noise Measurement Uncertainties group session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jun 2021 TFMU-12-01
Agenda for the 12th Noise Measurement Uncertainties group session
Informal Subgroup Agenda Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jun 2021 WT-22-02/Rev.1
UN R117: Draft Supplement 13 to the 02 series of amendments
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 Jun 2021 WT-23-01
Agenda for the 23rd 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 2021 WT-23-03
UN R117: Comments on the draft provisions for 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
21 Jun 2021 WT-23-04
UN R117: Comments on the draft provisions for worn tyre 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
23 Jun 2021 WP.29-184-17
Comments on subjects under discussion by GRBP
World Forum Informal Pneumatic Tires Pneumatic Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Vehicles and their Trailers Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jun 2021 TFMU-12-02
A General Approach to Estimate (Noise) Measurement Uncertainties
Informal Subgroup Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
01 Jul 2021 WT-23-07
Draft minutes of the 23rd 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
01 Jul 2021 WT-23-05
Attendance list from the 23rd 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
01 Jul 2021 WT-23-06
UN R117: Proposal for amendments
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 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.
20 Jun 2021 WT-22-03
Attendance list from the 22nd 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 Jun 2021 WT-22-04
Draft minutes from the 3rd Worn Tyres Post Processing subgroup 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 Jun 2021 WT-22-05
Draft presentation on worn tyres post processing provisions
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 Jun 2021 WT-22-06
Minutes of the 22nd 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
11 Jul 2021 TFSL-03-01/Rev.1
Agenda for the 3rd Sound Limits task force session
Informal Group Agenda Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
05 Jul 2021 TFSL-03-03
Draft Guidelines for a Task Force on Vehicles’ Sound
Informal Group Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
05 Jul 2021 TFSL-02-12
Report of the 2nd Sound Limits task force session
Informal Group Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jul 2021 TFMU-12-04
Attendance list from the 12th Noise Measurement Uncertainties task force session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jul 2021 TFSL-03-05
Road noise in the environment: Measurements in real life
Informal Group Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jul 2021 TFSL-03-04
Presentation: Assessment of Potential Health Benefits of Noise Abatement Measures in the EU (PHENOMENA Project)
Informal Group Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jul 2021 TFMU-12-03
Draft minutes of the 12th Noise Measurement Uncertainties task force session
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Jul 2021 TFSL-03-07/Rev.1
Guidelines for a task force on future sound emissions provisions
Informal Group Informal Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Audible Warning Devices and Signals Audible Warning Devices Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles 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 Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV) Audible Reversing Warning Systems Reversing Warning
30 Jun 2021 GRBP/2021/12
UN R117: Proposal for amendments
Working Party Working 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 from the Worn Tyres working group to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.
05 Jul 2021 GRBP/2021/17
UN R117: Proposal for a Supplement to the 02 series of amendments
Working Party Working 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 provisions for ice grip tyres, clarify Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.
11 May 2017 TFVS-04-04
Conference brochure: Low-noise asphalt road surfaces
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 Road Surface Labeling Recommendations Road Surface Labeling Flyer in German and French for a September 2017 technical conference: Lärmarme Strassenbeläge aus Asphalt/Revêtements bitumineux peu bruyants.
22 Jul 2021 TFMU-13-05
Draft report of the 13th Noise Measurement Uncertainties task force
Informal Subgroup Report Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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
28 Jul 2021 WT-24-01
Agenda for the 24th 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
28 Jul 2021 WT-24-02
Worn Tyres Post Processing status 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
30 Jul 2021 WT-24-03
Attendance list from the 24th 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
30 Jul 2021 WT-24-04
Draft minutes of the 24th 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
30 Jul 2021 WT-24-05
Worn tyres: Draft proposal for amendments 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
02 Aug 2021 TFSL-03-08
Draft report of the 3rd Sound Limits task force session
Informal Group Report Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Audible Warning Devices and Signals Audible Warning Devices Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles 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 Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV) Audible Reversing Warning Systems Reversing Warning
09 Aug 2021 WT-25-01
Agenda for the 25th 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 Aug 2021 WT-24-06/Rev.1
Water depth vs SRTT Average μpeak
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 Aug 2021 GRBP-74-04
UN R117: Proposal for amendments to the 02 series of amendments
Working Party 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 Proposal to add requirement on the monitoring of the machine deviation for rolling resistance measurement.
31 Aug 2021 GRBP-74-12
IWG MU (Measurement Uncertainties): Terms of Reference
Working Party Informal Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions 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 This revised document intended to present to amend 117 the timetable for the work related to Regulation No. 117 has been shifted with approximately 12 months for this part. The aim of the IWG is to propose harmonized measures for evaluating systematic errors and random errors to improve the test procedures to reduce measurement uncertainties
31 Aug 2021 WT-25-02
Minutes of the 25th 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
30 Aug 2021 WT-25-03
Attendance list from the 25th 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
30 Aug 2021 WT-25-04
UN R117: 03 series (wet adhesion of C1-class tyres in worn state with buffed SRTTworn) transitional provisions draft
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 Aug 2021 WT-25-05
Worn tyres working group revised terms of reference 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
07 Sep 2021 WT-26-01
Agenda for the 26th 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
07 Sep 2021 WT-26-02
Worn Tyres Post Processing task force report to 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
07 Sep 2021 WT-25-04/Rev.1
UN R117: 03 series (wet adhesion of C1-class tyres in worn state with buffed SRTTworn) transitional provisions draft
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
06 Sep 2021 TFVS-04-05
Guidelines of the Task Force on Vehicle Sound
Informal Group Informal Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Audible Warning Devices and Signals Audible Warning Devices Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Replacement Silencing Systems Replacement Silencing Systems Uniform Provisions Concerning the Approval of Replacement Silencing Systems Two-wheeled Moped Noise Moped Noise Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Replacement Exhaust Silencing Systems for Motorcycles Motorcycle RESS Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles 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 Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV) Audible Reversing Warning Systems Reversing Warning Vehicle Sound Vehicle Sound
08 Sep 2021 WT-26-03
UN R117: Proposal to amend document GRBP/2021/12
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 <ol><li>In paragraph 5.3.1.2. the wording has been adjusted to the definitions as amended with GRBP/2021/12 proposal to identify adhesion on wet surfaces of tyre in new state.</li><li>Paragraph renumbered and reworded in line with the text proposed in paragraph 8.3.1. of document ECE/TRANS/WP.29/2021/17.</li><li>Paragraph 12.2. has been reworded according to the intentions of paragraph 41. of the General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations to avoid TAA’s to interpret a mere change in markings as a change introduced by the new SoA.</li><li>Paragraph 12.6.1. is in line with paragraph V.9bis. of the General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations. Proposed paragraph 12.4.1., is introducing date limitations and precise reference to a specific series of amendments and in such does not conform to V.9 bis transitional provisions. Consequently, it should then be deleted from the proposal.</li><li>In Annex 1, paragraphs 8.2. and 8.3., the reference to non-existent items was removed.</li><li>In Annex 2 - Appendix 1, Example 1, the wording has been aligned to the other examples provided in Annex 2.</li><li>In Annex 9, paragraphs 2.1.5 to 2.2.1.2.4.1. have been reworded to clarify the preparation of class C1 tyres in worn state.</li><li>In Annex 9 – Appendix 1, the example of worn tyre preparation report example has been updated to remove unnecessary and ambiguous data to be reported.</li><li>In Annex 9, Appendix 2, Example 2, the report example has been updated in line with the proposal of Annex 5, Appendix, Example 2 of document ECE/TRANS/WP.29/GRBP/2021/17.</li></ol>
08 Sep 2021 WT-26-04
UN R117: Proposal to amend document GRBP/2021/12
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 Proposal to maintain the performance stages for the following reasons:<ul><li>By removing the performance stages, we would allow two different markings, with and without performance stage indication, for the same actual performance level depending on whether the type approval was granted according the 02 or 03 series of amendments.</li><li>Some countries which are not contracting parties of 1958 Agreement refer to stage 1 and stage 2 of 02 series of amendments of UN Regulation No. 117. Therefore, the removal of the stages would create some ambiguity and misunderstanding of the actual performance of the product.</li><li>The above is even more important for tyre of classes C2 and C3 as they are not affected by the introduction of the performance for the adhesion on wet surfaces for tyres in worn state, and for which the suffix B is not added to the approval marking.</li></ul>
09 Sep 2021 WT-26-07
Minutes of the 26th 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
09 Sep 2021 WT-26-05
Attendance list from the 26th 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
09 Sep 2021 WT-26-06
Worn Tyres working group planning schedule
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
09 Sep 2021 WT-26-08
Proposal for amendments to the Worn Tyres working group terms of reference
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
09 Sep 2021 WT-27-01
Agenda for the 27th 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
10 Sep 2021 WT-27-02
Worn Tyres working group draft status 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
10 Sep 2021 WT-27-03
UN R117: Amendments to document GRBP/2021/12
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 Sep 2021 GRBP-74-31
UN R117: Proposal for amendments to the 02 series of amendments
Working Party 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 Sep 2021 GRBP-74-33
UN R117: Proposal for amendments
Working Party 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 IWG WGWT proposes to amend document ECE/TRANS/WP.29/GRBP/2021/12
14 Sep 2021 TFVS-04-11/Rev.1
Tyres and Road Traffic Noise: Where is the Potential?
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 2021 GRBP-74-42
IWG WGWT: Proposal for revised Terms of Reference
Working Party 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 IWG to propose amendments to UN R117
11 Sep 2021 WT-28-01
Agenda for the 28th 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 Sep 2021 WT-28-02/Rev.1
Worn tyres: New proposal C1 WGI @ Worn Molded SRTT
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 Sep 2021 WT-28-04
Attendance list from the 28th 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
14 Sep 2021 WT-28-03
Proposal for revised Worn Tyres working group terms of reference
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 Sep 2021 WT-27-05
Minutes of the 27th 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
11 Sep 2021 WT-27-07
UN R117: Proposal for amendments to GRBP/2021/12
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 Sep 2021 WT-27-06
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
11 Sep 2021 WT-27-04
Attendance list from the 27th 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
15 Sep 2021 GRBP-74-41
IWG WGWT: Status report
Working Party 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