Session 73 | Geneva | 26-29 Jan 2021
Description (click for more information) Reference No.
GRBP Meeting Schedule, Holidays & Milestones
GRBP-71-13/Rev.5 26 Jan 2021 Working Party GRBP-71-13/Rev.5
GRB-73: Updates to the provisional agenda
GRBP-73-01 26 Jan 2021 Working Party GRBP-73-0001
Proposal to amend the Worn Tyres informal working group Terms of Reference (EC)
GRBP-73-02 04 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform 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. GRBP-73-0002
UN R141: Proposal to amend the 01 series of amendments
GRBP-73-03 04 Jan 2021 Working Party Tire Pressure Monitoring Systems Tire Pressure Monitoring Systems Uniform provisions concerning the approval of vehicles with regard to their tyre pressure monitoring systems Proposal from the TPMSTI task force to revise the communication interface protocol of TPMS between towing and towed vehicles of categories N2, N3 and O3, O4, respectively (described in Annex 5 on the basis of the ISO bus requirements) in alignment with UN R13 and ISO updates. The proposal further corrects and clarifies provisions across TPMS, TPRS and CTIS. GRBP-73-0003
UN R41: Proposal for amendments to the 04 series of amendments (IMMA)
GRBP-73-04 18 Jan 2021 Working Party Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Proposal to correct some references, which need to be updated as a consequence of document WP.29/2020/70, adopted at the June 2020 WP.29 session, notably<ol class="alpha"><li>Paragraph 5.4.1 renumbered as paragraph 5.5.1.</li><li>Paragraphs 5.4. and 5.5. respectively renumbered as paragraphs 5.5. and 5.6.</li></ol> GRBP-73-0004
UN R51: Proposal for 04 series of amendments
GRBP-73-05 19 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Proposal by experts from IWG ASEP for new series of amendments. GRBP-73-0005
Running order of the 73rd (January 2021) GRBP session
GRBP-73-06/Rev.1 29 Jan 2021 Working Party GRBP-73-0006/Rev.1
Status report of the task force on Studded Tyres
GRBP-73-07 21 Jan 2021 Working Party Type Approval of Studded Tyres Studded Tyres GRBP-73-0007
Proposal to amend the Worn Tyres working group terms of reference (ETRTO)
GRBP-73-08 21 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform 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. GRBP-73-0008
UN R75: Proposal for a corrigendum to the French version of the text (ETRTO)
GRBP-73-09 21 Jan 2021 Working Party Motorcycle and Moped Tires Motorcycle Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Cycles and Mopeds GRBP-73-0009
General information and WP.29 highlights relevant to GRBP activities
GRBP-73-10 21 Jan 2021 Working Party GRBP-73-0010
ETRTO Tyre Performance Study (ETRTO)
GRBP-73-11 21 Jan 2021 Working Party 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. GRBP-73-0011
Status report of the Reversing Warning Sounds task force
GRBP-73-12 21 Jan 2021 Working Party Audible Reversing Warning Systems Reversing Warning GRBP-73-0012
Status report of the TPM and Tyre Installation task force
GRBP-73-13 21 Jan 2021 Working Party Tire Pressure Monitoring Systems Tire Pressure Monitoring Systems Uniform provisions concerning the approval of vehicles with regard to their tyre pressure monitoring systems Tyre Installation Tyre Installation Regulation on uniform provisions concerning the approval of motor vehicles with regard to the installation of their tyres (tentative title pending regulation development) GRBP-73-0013
Status report of the Sound Measurement Uncertainties informal working group
GRBP-73-14/Rev.1 29 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions GRBP-73-0014/Rev.1
General Approach to Estimate Sound Measurement Uncertainties
GRBP-73-15 21 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions GRBP-73-0015
Revised terms of reference for the Sound Measurement Uncertainties informal group
GRBP-73-16 21 Jan 2021 Working Party 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 GRBP-73-0016
UN R51: Proposal to amend the 03 series of amendments
GRBP-73-17 21 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Measurement Uncertainties informal group proposal to clarify the text and to amend:<ol class="alpha"><li>Annex 3, Paragraph 1.4. to delete determination of the vehicle speed by independent speed measuring devices</li><li>Annex 3, Paragraph 1.5. to clarify that no determination of the wind speed is needed for indoor testing</li><li>Annex 3, Paragraph 2.1.3. to clarify and differentiate between indoor and outdoor testing</li><li>Annex 3, Paragraph 2.1.3.1.2. to clarify the temperature range for indoor facilities.</li><li>Annex 3, Paragraph 2.1.3.2.2. to clarify the temperature range for outdoor facilities.</li></ol> GRBP-73-0017
Status report of the Worn Tyres working group
GRBP-73-18 21 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance GRBP-73-0018
UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres (ETRTO)
GRBP-73-19 21 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance GRBP-73-0019
UN R30: New radial tyre structure definition proposal (France)
GRBP-73-20/Rev.1 29 Jan 2021 Working Party Pneumatic Tires Pneumatic Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Vehicles and their Trailers GRBP-73-0020/Rev.1
UN R109: Proposal for Supplement 11 (France)
GRBP-73-21 29 Jan 2021 Working Party 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 Proposal to clarify:<ol class="alpha"><li>Signature of the 3PMSF test reports</li><li>Mould cure retreaded tyre (not UN R117 pattern).</li></ol> GRBP-73-0021
Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres (ETRTO)
GRBP-73-22 29 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance GRBP-73-0022
Study on sound level limits of M- and N-category vehicles (EC)
GRBP-73-23 29 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions GRBP-73-0023
Priorities of the Working Party on Noise and Tyres (GRBP)
GRBP-73-24 29 Jan 2021 Working Party 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 GRBP-73-0024
Study on future sound-limit values (ACEA)
GRBP-73-25 29 Jan 2021 Working Party Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions GRBP-73-0025
Technical support for the impact assessment on Euro 5 step of L-category sound emissions level limits (EC)
GRBP-73-26 29 Jan 2021 Working Party 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 GRBP-73-0026
Working group on Worn Tyres: Proposal for revised terms of reference (EC, ETRTO, and France)
GRBP-73-27/Rev.1 29 Jan 2021 Working Party Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance GRBP-73-0027/Rev.1