Document GRB-62-13/Rev.1
The trend of noise regulation in Japan
Submitted by MLIT and JASIC

Presentation of Japan’s plans for phasing in UN R41, UN R51 (Phase 2, but not Phase 3 limits), and UN R117 requirements.

Discussions and Outcomes
62nd GRB session (1-3 Sep 2015)
GRB-62-12

16. The expert from China briefed GRB on the activities of the China vehicle noise standards working group (GRB-62-10). The experts from Japan informed GRB about the trends of noise regulation in Japan and gave an overview of the future policy for motor vehicle noise reduction (GRB-62-13-Rev.1 and GRB-62-12, respectively). The expert of ISO reported on the activities of his organization on interior noise, with the aim to review ISO 5128 (GRB-62-07). GRB took note of these presentations and felt that some of the issues raised could be included in the programme of work of GRB (see para. 27 below).