| R51/R138 Subgroup: Agenda for the 12th (July 2025) session |
| Reference Number: R51/R138-12-01 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 01 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| Background on proposal for setting sound limits |
| Reference Number: R51/R138-12-02 |
| Submitted by: OICA |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 01 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| Minutes of drafting group on UN R51 and EV sound provisions (UN R51/UN R138) |
| Reference Number: R51/R138-12-03 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 08 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Draft proposal for corrections to the 03 series of amendments |
| Reference Number: R51/R138-12-04 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 10 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| Technical Background dLASEP Term |
| Reference Number: R51/R138-12-05 |
|
This presentation provides information on the term ΔLASEP introduced by OICA in its sound level proposal GRBP/2025/20. |
| Submitted by: HMG |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 28 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| R51/R138 Subgroup: Minutes of the 12th (July 2025) session |
| Reference Number: R51/R138-12-06 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 15 Aug 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| Background Information on document GRBP/2025/29 |
| Reference Number: TFVS-18-04 |
| Submitted by: OICA |
| Meeting Sessions: 18th TFVS session (9 Jul 2025) and 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 09 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
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