UN R51, UN R117 TF Measurement Uncertainties (MU): Status report
Reference Number: GRBP-71-04
GRBP to note the report from the TF MU on its aim to harmonize measures for evaluating systematic errors and random errors to improve the test procedures.
UN R41 Proposal for amendments to the 04 series of amendments
Reference Number: GRBP-71-09
The text prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend UN Regulation No. 41-04 (up to Supplement 7), in order to clarify the implications of footnote one on the requirements specified in Annex 4.
ETRTO proposal for the replacement of the current Standard Reference Test Tyre as it is being phased out as production will stop mid of 2020. Snow performance test in R117 currently requires SRTT14 as a reference tyre. SRTT14 needs to be replaced and test procedure amended.
Assessment and handling of noise measurement uncertainties
Reference Number: TFMU-03-08
Submission to the January 2020 GRPE session: Strategic approach to handling noise measurement uncertainties and its application to UN R51.03 and UN R117.02.
UN R117/108/R109 Status report by the group of interested experts (GOIE ) on snow tyre provisions
Reference Number: GRBP-71-20
The status report submitted by the group of interested experts (GOIE) from Finland, Germany, Japan, Norway, Russian Federation, BIPAVER, ETRTO and OICA
UN R41: Proposal for amendments to Supplement 6 to the 04 series of amendments
Reference Number: GRBP-71-18/Rev.2
The text was prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend Supplement 6 to 04 series of amendments, aiming to minimize proliferation of approval numbers
UN R117 : Proposal to amend the Supplement to the 02 series of amendments
Reference Number: GRBP-71-29
The text submitted by the experts from the European Tyre and Rim Technical Organisation (ETRTO) to amend the Japanese proposal for a Supplement to the 02 series of amendments (ECE/TRANS/WP.29/GRBP/2020/6)
UN R138 : Proposal for Supplement 2 to the 01 series of amendments
Reference Number: GRBP-71-28/Rev.1
Proposal to clarify that it is not necessary to require an ISO 10844 asphalt track surface in cases where the vehicle is at a standstill provided that the surface is dense and without substantial absorption characteristics.
This proposal (WP.29/2020/4) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 48 applying UN R51 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
UN R41: Proposal for Supplement 8 to the 04 series of amendments
Reference Number: WP.29/2020/70
Proposal to introduce provisions for stationary noise measurements on a single-sided dual exhaust system, minimize proliferation of approval numbers from models with differences in vehicle exhaust and silencing systems, and correct an omission regarding the compensating resevoir fill time thereby aligning UN R41 with the other noise UN Regulations Nos. 9, 51 and 63.
This proposal (WP.29/2020/70) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-nine voted in favor with zero against and zero abstaining.
UN R138: Proposal for Supplement 2 to the 01 series of amendments
Reference Number: WP.29/2020/71
Proposal to clarify that it is not necessary to require an ISO 10844 asphalt track surface in cases where the vehicle is at a standstill provided that the surface is dense and without substantial absorption characteristics.
This proposal (WP.29/2020/71) was adopted by the World Forum. Forty-three Contracting Parties out of the 56 applying UN R138 were present for the vote by AC.1. Forty-three voted in favor with zero against and zero abstaining.
UN R117: Proposal for Supplement 12 to the 02 series of amendments
Reference Number: WP.29/2020/75
Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT).
This proposal (WP.29/2020/75) was adopted by the World Forum. Forty-one Contracting Parties out of the 53 applying UN R117 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining.
UN R41: Proposal for amendments to the 04 series of amendments
Reference Number: GRBP/2020/18
Per the transitional provisions of Supplement 3 to the 04 series of amendments, from 20 January 2021, the specifications for the test site reproduced in Annex 4 will be replaced by the provisions of ISO 10844:2014. Therefore, this proposal aims to align the 04 series of amendments with ISO 10844:2014, replacing provisions from ISO 10844:1998 (and proposing a clearer image for Figure 1).
UN R41: Proposal for a new 05 series of amendments
Reference Number: GRBP/2020/9
Proposals prepared by the ASEP II informal working group to clarify UN R41 and introduce provisions to improve testing to be more representative of real-world operation by expanding the scope of tests.
UN R41: Proposal for a new 05 series of amendments
Reference Number: WP.29/2021/3
Proposal to clarify UN R41 and introduce provisions to improve testing to be more representative of real-world operation by expanding the scope of test and to align the Regulation with ISO 10844:2014, replacing provisions from ISO 10844:1998 (and proposing a clearer image for Figure 1).
This proposal (WP.29/2021/3) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
UN R41: Proposal for Supplement 9 to the 04 series of amendments
Reference Number: WP.29/2021/4
Proposal to align the 04 series of amendments with ISO 10844:2014, replacing provisions from ISO 10844:1998 (and proposing a clearer image for Figure 1).
This proposal (WP.29/2021/4) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
This proposal (WP.29/2021/8), as amended by para. 78 of the session report, was adopted by the World Forum. Thirty-seven Contracting Parties out of the 53 applying UN R117 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
10 Sep 2020Worn tyres: Test data collection tablesWT-14-03
13 Sep 2020GRBP prioritiesGRBP-72-12
13 Sep 2020UN R41: Proposal for amendments to document GRBP/2020/18GRBP-72-13
13 Sep 2020UN R41: Proposal for amendments to document GRBP/2020/9GRBP-72-14
13 Sep 2020Status report of the ASEP II informal groupGRBP-72-16
13 Sep 2020Sound Measurement Uncertainties: Terms of reference for an informal working groupGRBP-72-10
13 Sep 2020Status report of the Sound Measurement Uncertainties informal groupGRBP-72-11
13 Sep 2020UN R51: Proposal for amendments to document GRBP/2020/10GRBP-72-17
13 Sep 2020Snow tyre provisions - status report GRBP-72-23
13 Sep 2020Study on sound level limits of M- and N-category vehiclesGRBP-72-25
13 Sep 2020Comments on Worn Tyres working group terms of referenceGRBP-72-26/Rev.1
13 Sep 2020UN R117: Proposal for amendments to document GRBP/2020/16GRBP-72-29
23 Sep 2020Draft agenda for the 6th Sound Measurement Uncertainties task force sessionTFMU-06-01
23 Sep 2020Attendance list of the 14th Worn Tyres working group sessionWT-14-06
23 Sep 2020Minutes of the 14th Worn Tyres working group sessionWT-14-05
23 Sep 2020Work plan of the Worn Tyres working groupWT-14-04
23 Sep 2020Invitation and agenda for the 12th Reversing Warning Systems task force sessionTFRWS-12-01
29 Sep 2020Reversing warning system field test outcomesTFRWS-12-03
8 Oct 2020Sound measurement uncertainties: Temperature correction analysisTFMU-06-03
8 Oct 2020ISO 9533-Section 7.1.1: Recorded dB valuesTFRWS-12-04
8 Oct 2020Sound measurement uncertainties: Test set-up for second validation programTFRWS-12-05
8 Oct 2020Sound Measurement Uncertainties: Justification of the main impact quantitiesTFMU-06-02
8 Oct 2020Sound Measurement Uncertainties: Status report on run to run deviationTFMU-06-04/Rev.1
8 Oct 2020Measuring Tire-pavement Noise at the Source: Precision and Bias StatementTFMU-06-05
8 Oct 2020National Cooperative Highway Research Program: Measuring Tire-Pavement Noise at the Source: Precision and Bias Statement (Project 1-44 (1))TFMU-06-05/a
8 Oct 2020 National Cooperative Highway Research Program: Project 1-44 (1)-Appendix CTFMU-06-05/b
8 Oct 2020HCV – Measurement Uncertainty estimation TFMU-06-06
8 Oct 2020Influence of temperature and atmospheric pressure on sound pressure levelTFMU-06-07
8 Oct 2020Draft minutes of the 11th Reversing Warning Systems task force sessionTFRWS-11-05
14 Oct 2020Reversing Warning Systems: Proposal for a draft textTFRWS-12-02/Rev.2
14 Oct 2020Invitation and draft agenda for the 13th Reversing Warning task force sessionTFRWS-13-01
15 Oct 2020Draft minutes of the 12th Reversing Warnings task force sessionTFRWS-12-06
16 Oct 2020Additional comments on the draft reversing warning sound textTFRWS-13-02
16 Oct 2020Reserving warning sound measurement: 7 m proposalTFRWS-13-03
18 Oct 2020Worn tyres informal group data collection templateWT-15-03
19 Oct 2020Agenda for the 15th Worn Tyres informal group sessionWT-15-01
20 Oct 2020Worn tyres working group testing and validation matrixWT-08-04/Rev.1
21 Oct 2020Worn tyres: Guidelines for testing phase of the informal group work planWT-15-05/Rev.2
23 Oct 2020Status of the Worn Tyres informal group work planWT-15-02/Rev.1
23 Oct 2020Worn tyres: Proposal for data sharing processWT-15-04/Rev.1
23 Oct 2020Attendance list from the 15th Worn Tyres informal group sessionWT-15-07
23 Oct 2020Worn tyres data collection template (final version)WT-15-08
23 Oct 2020Draft report of the 15th Worn Tyres working group sessionWT-15-06
24 Oct 2020Draft agenda for the 14th Reversing Warning task forceTFRWS-14-01
24 Oct 2020Reversing warning: Test results at 7 mTFRWS-13-05
27 Oct 2020UN R51: ASEP II Drafting Group review of 03 series amendmentsASEP II-15-08/Rev.1
29 Oct 2020Draft minutes of the 13th Reversing Warning task force sessionTFRWS-13-06
29 Oct 2020Reversing Warning testing: 2nd industry validation program protocolTFRWS-14-02
29 Oct 2020Verification method for reversing warning with self-adjusting sound levelTFRWS-14-03
29 Oct 2020Invitation and draft agenda for the 15th Reversing Warning task force sessionTFRWS-15-01
5 Nov 2020Draft minutes of the 14th Reversing Warning Sounds task force sessionTFRWS-14-04
5 Nov 2020Proposal regarding self-adjusting warning soundsTFRWS-15-02
5 Nov 2020Additional comments on the draft reversing warning sound textTFRWS-15-03
5 Nov 2020Reversing warnings: Study of ”Low level" lower limitTFRWS-15-04
16 Nov 2020Worn tyres working group testing and validation matrixWT-08-04/Rev.3
16 Nov 2020SRTT 16" tread depth wear evolution measurementsWT-16-03
19 Nov 2020Draft agenda for the 16th Worn Tyres working group sessionWT-16-01/Rev.1
23 Nov 2020Draft minutes of the 16th Worn Tyres working group sessionWT-16-06
23 Nov 2020Attendance list from the 16th Worn Tyres working group sessionWT-16-05
23 Nov 2020Status of the Worn Tyres working group work planWT-16-02
23 Nov 2020Worn tyres: Proposals for sharing of the buffing reportsWT-16-04
27 Nov 2020Invitation and agenda for the 16th Reversing Warning task force sessionTFRWS-16-01/Rev.1
27 Nov 2020Attendance list from the 15th Reversing Warning task force sessionTFRWS-15-06
27 Nov 2020Reversing warnings: Proposal for self-adjusting alarmTFRWS-16-02
29 Nov 2020Draft agenda for the 7th Noise Measurement Uncertainties task force sessionTFMU-07-01
29 Nov 2020UN R51: Effects of Tyre Temperature/Aging on noise measurementsTFMU-07-02
2 Dec 2020UN R51: Draft proposal regarding ambient conditionsTFMU-07-03/Rev.2
2 Dec 2020UN R51: Vehicle selection and preparation for testing provisionsTFMU-07-04
2 Dec 2020Draft report of the 6th Noise Measurement Uncertainties task force sessionTFMU-06-08
3 Dec 2020UN R51: Drive-by noise test: Measurement Uncertainty Application to Vehicle Categories M3/N3 status reportTFMU-07-05/Rev.1
3 Dec 2020Draft report of the 5th Noise Measurement Uncertainties task force sessionTFMU-05-05
7 Dec 2020Reversing warning system: Comments of the draft textTFRWS-16-03
7 Dec 2020Reversing warnings: Study of low-level sound lower limitTFRWS-16-04
7 Dec 2020Reversing warning: Working draft text for a new UN RegulationTFRWS-16-05
7 Dec 2020Reversing warnings: Comments on the draft text for a UN RegulationTFRWS-15-03/Rev.1
7 Dec 2020Reversing warnings: Comments on the working draft UN RegulationTFRWS-15-03/Rev.2
7 Dec 2020Report of the 15th Reverse Warning Sound Issues task force sessionTFRWS-15-07
16 Dec 2020Draft agenda for the 8th TFMU task force sessionTFMU-08-01
16 Dec 2020Invitation and draft agenda for the 17th TFRWS task force sessionTFRWS-17-01
29 Dec 2020UN R41: Proposal for a new 05 series of amendments WP.29/2021/3
29 Dec 2020UN R41: Proposal for Supplement 9 to the 04 series of amendmentsWP.29/2021/4
30 Dec 2020UN R117: Proposal for Supplement 13 to the 02 series of amendmentsWP.29/2021/8
Vehicle and Tyre Noise