Description (click for more information) Reference No.
A general approach how to handle sound measurement uncertainty
GRBP/2022/9/Rev.1 24 Jun 2022 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 Proposal for a reference document. GRBP/2022/0009/Rev.1
UN R164: Proposal for Supplement 1
GRBP/2022/11 15 Jun 2022 Working Party Type Approval of Studded Tyres Studded Tyres Proposal from the Studded Tyres task force to introduce provisions for C1 tyre ice-grip performance. GRBP/2022/0011
UN R117: Proposal for the 04 series of amendments (EC)
GRBP/2022/12 15 Jun 2022 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 revise the limits for rolling resistance and wet grip, address tyres for vintage vehicles, and revise the definition for special-use C1 tyres. GRBP/2022/0012
UN R51: Proposal for Supplement 8 to the 03 series of amendments (ISO)
GRBP/2022/13 15 Jun 2022 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 to bring the latest ISO 10844 standard test surface into the Regulation. GRBP/2022/0013
UN R117: Proposal for Supplement 14 to the 02 series of amendments (ISO)
GRBP/2022/14 15 Jun 2022 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 bring the latest ISO 10844 standard test surface into the Regulation. GRBP/2022/0014
UN R138: Proposal for Supplement 3 to the 01 series of amendments (ISO)
GRBP/2022/15 15 Jun 2022 Working Party 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) Proposal to bring the latest ISO 10844 standard test surface into the Regulation. GRBP/2022/0015
UN R51: Proposal for Supplement 8 to the 03 series of amendments
GRBP/2022/16 15 Jun 2022 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 from the Measurement Uncertainties informal group to introduce measures to reduce variability across assessments. GRBP/2022/0016
UN R117: Proposal for the 04 series of amendments (ETRTO)
GRBP/2022/17 16 Jun 2022 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 introduce a new definition of traction elements to characterize traction tyres. GRBP/2022/0017
UN R117: Proposal for a Supplement to the 03 series of amendments (ETRTO)
GRBP/2022/18 16 Jun 2022 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 introduce provisions to allow type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for tyres complying with these requirements. GRBP/2022/0018
UN R117: Proposal for a Supplement to the 02 series of amendments (ETRTO)
GRBP/2022/19 16 Jun 2022 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 introduce provisions to allow the type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for those tyres complying with these requirements. GRBP/2022/0019
UN R117: Proposal for a Supplement to the 02 series of amendments (ETRTO)
GRBP/2022/20 16 Jun 2022 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 correct editorial mistakes in document GRBP/2021/17 that were not corrected by informal document GRBP74-31-Rev.1. GRBP/2022/0020
UN R30: Proposal for a Supplement to the 02 series of amendments (ETRTO)
GRBP/2022/21 16 Jun 2022 Working Party Pneumatic Tires Pneumatic Tires Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Vehicles and their Trailers Proposal to address the definition of the radial structure (as a continuation to ECE/TRANS/WP.29/GRBP/2021/9), the definition of snow tyres, the requirements for special use tyres of class C1, the addition of an optional prefix for extra load tyres, a clarification of the description of the load/speed test for run flat tyres and extended mobility tyres (EMT) and editorial corrections. GRBP/2022/0021
UN R117: Proposal for a Supplement to the 03 series of amendments
GRBP/2022/22 16 Jun 2022 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 from the Worn Tyres working group to improve precision of the test procedures for measuring the wet adhesion of tyres in a worn state by using a moulded SRTT16 reference tyre (instead of a buffed tyre), to introduce new transitional provisions related to this change, to extend corrections already made to thee 02 series to the 03 series and make additional editorial corrections, and to define the range for tyre inflation vis-à-vis rim size to reduce uncertainties in measuring tread depth. GRBP/2022/0022
UN R117: Proposal for a 04 series of amendments
GRBP/2022/23 16 Jun 2022 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 from the Worn Tyres working group to set the wet grip index threshold at 0.80 for class C1 tyres with a nominal aspect ratio equal to or less than 40, a section width equal to or higher than 235 mm and suitable for speeds equal to or greater than 300 km/h and for class C1 all terrain and special use tyres (see GRBP-75-27, slide 6). The proposal also introduces the k<sub>worn</sub> factor in a new para. 3 in Annex 9 to address wet grip of C2 and C3 tyres in a worn state (see GRBP-75-26-Rev.1 for concept). GRBP/2022/0023
UN R165: Proposal for Supplement 1 (UK)
GRBP/2022/24 27 Jun 2022 Working Party Audible Reversing Warning Systems Reversing Warning Proposal to amend the provisions for a pause function for reversing warning systems with the aim to comply with the national environmental (noise) restrictions. GRBP/2022/0024