GRB has long used ISO 10844 and the ISO 362 series of standards as the part of technical basis for the referenced regulations. ISO has updated standards and sees the need to coordinate with GRB.

Table offering the Japanese position on new limit values for 03 series of amendments to Regulation No.51. The limit values are based on the TNO assessment study and German proposal with sub-categories proposed by Japan based upon a database of noise levels of Japanese vehicles.

Proposal for changes to the definitions of vehicle type (adding tire dimensions), ‘pre-acceleration’, and reference points (para. 2.11) and to the Annex 10 test procedures for medium to heavy vehicles.

Presentation by the China Automotive Technology and Research Center.

Revised presentation by the China Automotive Technology and Research Center (CATARC) on proposed new noise limit values.

Presentation by the Norwegian Public Roads Administration on noise abatement activities of the Conference of European Directors of Roads.

This proposal would revise the transitional provisions of the proposed 03 series of amendments to Regulation No. 51 (see GRB/2012/2). OICA believes the preceding text may create problems in the granting or accepting of type approvals under the previous series.

JASIC presentation in support of Japanese positions for the 03 series of the UN regulation on vehicle noise (UN R51). The presentation addresses a three-stage, six-year transition to more stringent noise limitations and proposes additional vehicle subcategories.

Updated JASIC presentation in support of Japanese positions for the 03 series of the UN regulation on vehicle noise (UN R51). The presentation addresses a three-stage, six-year transition to more stringent noise limitations and proposes additional vehicle subcategories.

Japanese Ministry of the Environment presentation concerning the status of work on new motorcycle noise and tire rolling noise regulations.

European Commission presentation on plans for adopting new noise emissions test procedures, limit values, and minimum noise requirements for quiet vehicles.

Proposal of transitional provisions for the 03 series of UN R51 on vehicle noise. Importantly, the proposal seeks to address the handling of transitions and extensions between the 02 and 03 series, perhaps offering a template for transitional provisions in general.

Text prepared by the Chairman of GRB to introduce provisions for a new test method regarding the sound level of motor vehicles, as requested by WP.29 at its 136th session (TRANS/WP.29/1041, para. 74).

This document proposes to maintain the current test method in the first part of Regulation No. 51 and to insert the new test method in a second part in order to put Contracting Parties in the position to collect data on the new test method. The provisions for the new test method are based on document GRB/2005/2/Rev.2.

Version of the proposed 03 series of amendments to UN R51 that consolidates the latest changes agreed within GRB (GRB/2005/2/Rev.2, all “method B” amendments, including WP.29/2011/64, and the Additional Sound Emission Provisions (ASEP)).

Version of the proposed 03 series of amendments to UN R51 based on GRB/2012/2 (consolidated version of the O3 series as agreed by GRB to date) but incorporating further improvements as proposed in GRB-54-05 and GRB-54-06 from the previous GRB session.