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).

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.

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.

Includes meeting room information.

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.

Comment on document TYREGTR-18-25.

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

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

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

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).

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

Working draft of the tire GTR updated from document GRRF/2012/22 with modifications from the GRRF 19 September 2012 discussions.

Four paragraphs in the draft gtr (version 24 Feb) contained references to type approval when the text should be neutral concerning type approval or self-certification. The text in these paragraphs was therefore changed.

Lastest version of the draft provisions concerning tire markings, addressing in particular both human and “Optical Character Recognition” legibility.

Tire industry associations’ response to OICA submission (document TYREGTR-12-03) proposing changes to the font for tire identification.

ETRTO answers questions raised by India concerning the strength test of the proposed GTR and its alignment with US regulations.

The Russian Federation proposes to introduce a “global tire marking” within the framework of the 1958 Agreement pursuant to the provisions of the Tire GTR. Russia intends this to encourage harmonization in the national applications of the GTR while enabling mutual recognition of approvals.

Russia prepared this revision to the draft Statement of Rationale (following the 16 September 2011 meeting) to clarify its proposal for a global tire marking, addressing concerns expressed by NHTSA on the use of plant codes.

Comments from India concerning: (a) Endurance, Low Inflation Pressure & High Speed Performance tests as per FMVSS 139; (b) “C” type tire marking; © Snow tire definitions; (d) Harmonization of light truck & commercial vehicle tires; and (e) Tire ID Number.