Establishment of the Executive Committee (AC.3) of the 1998 Agreement Fifty-sixth session (item 12) – Proposals for amendments to UN GTRs (items 14.2.1. to 14.2.4.)

Proposal to amend GTR including:

• Amendment to the scope
• Addition of new definitions (Section 2)
• Harmonization of the Load Range concept in relationship to Inflation Pressure (Section 2)
• Alignment of the provisions with the most recent developments in UN Regulations Nos. 30 and 54 (Sections 3.3 and 3.5, Annexes 3 and 6)
• Harmonization with FMVSS 139 requirements relative to UN Regulation No. 54 “PSI” index (Sections 3.7 and 3.8)
• Addition of new harmonized provisions for physical dimensions of LT/C tyres (new Section 3.5.2; old Sections 3.20 & 3.21 deleted)
• Addition of new harmonized provisions for high speed test for LT/C tyres (new Section 3.6.2.2, old Section 3.16 modified with endurance test only and renumbered 3.9, old Section 3.19 deleted)

Latest changes from the TyreGTR informal group to the draft Amendment 2.

Changes to the working document submitted for the 70th GRBP session as prepared for submission as an informal document by the TyreGTR informal group.

Draft informal group amendments to the previously submitted Amendment 2 proposal (GRBP/2019/21).

TyreGTR informal group draft highlighting amendments, including provisions for LT/C tyres.

Draft text based on document TYREGTR-23-07, including JATMA input and pursuant to the web conference session of 11 June 2019.

Revised draft technical report pursuant to discussions during the 24th TyreGTR session of 11 June 2019.

Draft text pursuant to the 24th TyreGTR informal group session of 11 June 2019.

Proposal pursuant to discussions during the 24th TyreGTR session of 11 June 2019.

Indian tyre industry acceptance of the proposal to add the updated provisions from UN R30 on Extended Mobility Tyres to Tyre GTR 16.

Canada suggestion to postpone inclusion under GTR 16 pending further investigations into possible impact on Canadian tyre requirements.

Amendment 2 to UN GTR No. 16 addresses the harmonization of the previously non-harmonized tests applicable to for light truck / commercial (LT/C) tyres, specifically Physical Dimensions Test and High-speed Test. Amendment 2 also covers the most recent updates of UN Regulations Nos. 30 and 54 as well as the FMVSS of the United States.

NHTSA suggestion to propose the introduction of updated UN R30 provisions into GTR 16 as a separate initiative in order to avoid delays in agreement on Amendment 2.

Working draft at the closing of the 23rd TyreGTR informal group session.

Draft as of 7 May 2019.

Draft technical prescriptions for discussion during the 23rd TyreGTR informal group session.

Draft text pursuant to the discussions during the 22nd TyreGTR informal group session

Draft text pursuant to discussions during the TyreGTR informal group’s 22nd session.

Proposal from India to revisit the informal group decision to delete a reference to rolling resistance in the draft technical document with justifications for amendments. India proposes to retain the reference because rolling resistance resistance will be defined and included in the technical prescriptions of the Tyre GTR.

Draft statement under preparation by the TyreGTR informal group

Working text at the close of the second day of the TyreGTR 20th informal group session.

Action item 19/5: Industry will review the tolerances as in Annex 11 and in document TYREGTR-19-12, and will assess whether those tolerances are needed. If those tolerances are needed, Industry will propose values for those tolerances and find the proper location in the GTR text for provisions of tolerances.

Working document of the TYREGTR informal group as of its September 2018 session.

Status after the 19th IWG Meeting (Geneva, 11-12 September 2018)

Working document as of 16 August pursuant to September 2018 industry meeting discussions and based on outcomes of the 18th TYREGTR informal group session in Ottawa.

Proposal to update the original authorization pursuant to the transfer of responsibility for tyre regulations from GRRF (now GRVA) to GRB (expected to become GRBP).

Comment on document TYREGTR-18-25.

Itemized list of proposed changes to GTR 16 under the draft Amendment 2.

Status of work on Amendment 2 pursuant to the 18th TyreGTR informal group session in Ottawa, 12-14 June 2018.

Nominal Section Width and high flotation tyres.

June 11 pre-meeting presentation before the 18th Tyre GTR informal group session.

USTMA Perspective on Potential Elimination of Load Range (and Ply Rating) from the GTR-Tyres

LIGHT TRUCK / C-TYPE HARMONIZED HIGH SPEED TEST: Status and Recommendation for TYRE GTR IWG 18

TyreGTR informal group presentation of Amendment 2 to the GTR on tires.

Marked up text of the tyre GTR Amendment 1 with improvements to the text (Phase 2A in the development of the regulation).

Marked up working draft of the amendment to the tyre GTR following the 17th informal group session.

Overview of the Standard Reference Test Tire validation process under the ATSM International standard F2493 (Specification for P225/60R16 97S Radial Standard Reference Test Tire).

Action item 4 : ETRTO will make a proposal on the relationship between the test pressure used in each GTR test and the test pressures stamped on the sidewall as per 3.3.5 and 2.56.

Action item 5 : It seems that the markings are mandatory in Tyre GTR. ETRTO will investigate if the markings in paragraph 3 are mandatory according to the GTR text and will assess the need for rewording of paragraphs 3.2 and 3.3.

Action item 6 : ETRTO will provide the justification to change in R54 (and in GTR) the definition of the measuring rim, considering the prerogatives of the IWG to change or not existing text from R54.

USTMA, JATMA, ETRTO comments on China review of GTR 16 identifying differences in requirements between the GTR and China’s tyre regulations.

Data collected from tyre manufacturers on their use of the various national/regional/international tyre markings to support discussions on development of a global tyre marking protocol.

China proposal for an effort to harmonize GTR 16 with China tyre regulations.

Proposal to amend the GTR on tyres to incorporate China national tyre requirements.

Proposal for additional tyre specifications to

1. add values specified in FMVSS 119, clause S6.2 table II
2. add small rim diameter sizes that will not meet the larger sizes of the GTR

Proposal to develop additional provisions under GTR No. 16 to allow for its alignment with Chinese tyre regulations.

Marked up version of GTR 16 identifying different requirements between the GTR and China’s tyre regulations.

Report of the TyreGTR informal group chair on the group’s 16th session held in Moscow.

Review of references to test specifications across standards and request to consider appropriate harmonized language under paragraph 3.14.3.2. of GTR No. 16.

Copy of the formal proposal (GRRF/2016/2) submitted to the Working Party on Brakes and Running Gear.

Copy of the draft technical report for Amendment 1 to GTR 16 (GRRF/2016/3) submitted to the Working Party on Brakes and Running Gear.

Copy of the authorization (AC.3/42) by WP.29 to further develop GTR 16 on tyres.

Copy of the authorization (AC.3/48) by WP.29 to further develop GTR 16 on tyres.

List of approved amendments pursuant to the 15th TyreGTR informal group session.

Marked up working draft of the GTR on Tires as amended by the TyreGTR informal group.

Presentation from Russia discussing possibility for a system of global tyre markings to signify compliance with GTR No. 16 (Revision 4 in a series of draft proposals on global tyre markings).

Proposal to develop amendments to Part II of GTR No.16:

1. Addition of new definitions (Section 2);
2. Harmonization of the Load Range concept in relationship to Inflation Pressure (Section 2),
3. Alignment of the provisions for tyre marking and physical dimensions of PC tyres with the most recent developments in UN Regulations Nos. 30 and 54 (Sections 3.3 and 3.5),
4. Harmonization of FMVSS 139 requirements relative to UNECE PSI index (Sections 3.14 and 3.15),
5. Deletion of provisions for physical dimensions of LT/C tyres based on FMVSS 139 (Section 3.20) an UN Regulation No. 54 (Section 3.21) and addition of new harmonized provisions for physical dimensions of LT/C tyres (new Section 3.20),
6. Deletion of provisions for high speed test for LT/C tyres based on FMVSS 139 (Section 3.19) and UN Regulation No. 54 (Section 3.16) and addition of new harmonized provisions for high speed test for LT/C tyres (new Section 3.16),
7. Updates of the Annexes 3 and 6 with regard to the most recent developments in UN Regulations Nos. 30 and 54.

Other topics to be discussed within the informal working group for the Phase 2 of development of UN GTR No. 16 include:

1. Consideration of feasibility of harmonization of endurance test for LT/C tyres (Sections 3.16 and 3.17), and
2. Consideration of feasibility of development of provisions for global tyre marking.

Informal working group draft document with comments and text mark-up.

Proposal to develop amendments to Part II of GTR No.16:

1. Addition of new definitions (Section 2);
2. Harmonization of the Load Range concept in relationship to Inflation Pressure (Section 2),
3. Alignment of the provisions for tyre marking and physical dimensions of PC tyres with the most recent developments in UN Regulations Nos. 30 and 54 (Sections 3.3 and 3.5),
4. Harmonization of FMVSS 139 requirements relative to UNECE PSI index (Sections 3.14 and 3.15),
5. Deletion of provisions for physical dimensions of LT/C tyres based on FMVSS 139 (Section 3.20) an UN Regulation No. 54 (Section 3.21) and addition of new harmonized provisions for physical dimensions of LT/C tyres (new Section 3.20),
6. Deletion of provisions for high speed test for LT/C tyres based on FMVSS 139 (Section 3.19) and UN Regulation No. 54 (Section 3.16) and addition of new harmonized provisions for high speed test for LT/C tyres (new Section 3.16),
7. Updates of the Annexes 3 and 6 with regard to the most recent developments in UN Regulations Nos. 30 and 54.

Other topics to be discussed within the informal working group for the Phase 2 of development of UN GTR No. 16 include:

1. Consideration of feasibility of harmonization of endurance test for LT/C tyres (Sections 3.16 and 3.17), and
2. Consideration of feasibility of development of provisions for global tyre marking.

Proposal of Amendment 1 to UN GTR No. 16 to include new provisions on wet grip performance, rolling resistance, and qualification of tires for use in severe snow conditions for passenger cars and light trucks/commercial vehicles. The amendment also reflects recent changes adopted in US Federal Motor Vehicle Safety Standards (tire strength and tubeless tire bead unseating resistance) and UN Regulations Nos. 30 and 54.

Proposal for the explanatory report detailing the decisions and rationale involved in the development of Amendment 1 to the GTR on passenger and light truck/commercial vehicle tires.

Draft text showing changes made to the GTR on tyres under Amendment 1 (which is primarily aimed at introducing provisions for tyre rolling resistance and performance in severe snow conditions).

Proposal is to align GTR 16 with technical progress, incorporating new provisions for wet grip performance, rolling resistance and qualification for use at severe snow conditions both for passenger car (PC) and light truck / commercial (LT/C) tyres (as were recently adopted within UN Regulation No. 117). The proposal also includes updates from relevant FMVSS and UN Regulations Nos. 30 and 54.

Explanatory report on the development and contents of the amendment concerning wet grip, rolling resistance, and other updated provisions for GTR 16 on tyres.

Proposed additions to the Statement of technical rationale and justification in GTR 16 (tyres), especially to clarify application and future development of the regulation.

Status of the draft text to introduce provisions for tyre rolling resistance and snow performance testing into the global technical regulation on tyres.

Proposal to prepare an amendment to UN Global Technical Regulation (GTR) No. 16 on tyres in order to introduce provisions concerning wet grip performance, rolling resistance, and qualification of tyres for use under severe snow conditions in accordance with the same provisions introduced recently into UN Regulation No. 117.

Table of test procedures including plans for phase 2 development of the global regulation on tires.

The overall aim of the study is to propose policy options concerning the use of tyres for improvement of traffic safety. Centrally to this, is the idea that end users need to make the correct assessment in relation to the tyre condition in order to achieve a level of safety as high as possible. Within this context, the tyre condition is considered in relation to technical elements (tyre inflation pressure, tyre tread depth, tyre damage, tyre age, and meteorological influences) and one information element (driver awareness). The study addresses the topics of tyre usage and the impact on road safety (which are the potential safety improvements related to tyre usage from a technical perspective) and how can road users be supported to use tyres that have a better safety performance by policy options.

Various editorial changes to correct minor errors in the draft documents relating to the GTR development timeline.