| RD-ASEP: Minutes of the 5th (December 2024) session |
| Reference Number: RDASEP-05-04 |
| Meeting Sessions: 5th RDASEP session (10-12 Dec 2024) |
| Document date: 01 Apr 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Agenda for the 6th (April 2025) session |
| Reference Number: RDASEP-06-01/Rev.2 |
| Meeting Sessions: 6th RDASEP session (8 Apr 2025) |
| Document date: 04 Apr 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 138 | Quiet Road Transport Vehicles, and UN Regulation No. 168 | Real Driving Emissions Test Procedure |
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| RD-ASEP Monitoring |
| Reference Number: RDASEP-06-02/Rev.3 |
| Submitted by: UTAC |
| Meeting Sessions: 6th RDASEP session (8 Apr 2025) |
| Document date: 09 Apr 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Agenda for the 7th (July 2025) session |
| Reference Number: RDASEP-07-01 |
| Meeting Sessions: 7th RDASEP session (10 Jul 2025) |
| Document date: 24 Jun 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| Considerations for strengthening RD-ASEP provisions |
| Reference Number: RDASEP-07-02/Rev.1 |
| Submitted by: ICCT |
| Meeting Sessions: 7th RDASEP session (10 Jul 2025) |
| Document date: 11 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Minutes of the 6th (April 2025) session |
| Reference Number: RDASEP-06-03/Rev.2 |
| Meeting Sessions: 6th RDASEP session (8 Apr 2025) |
| Document date: 25 Jul 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Minutes of the 7th (July 2025) session |
| Reference Number: RDASEP-08-04 |
| Meeting Sessions: 8th RDASEP session (2 Sep 2025) |
| Document date: 15 Aug 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 138 | Quiet Road Transport Vehicles |
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| RDASEP draft status report to GRBP-82 |
| Reference Number: RDASEP-08-02/Rev.1 |
|
IWG RD-ASEP status report to GRBP-82 in September 2025 after the 8th session. RD-ASEP for UN R51 work packages completed with 507 vehicle files delivered in April 2025. IWG recommends no monitoring requirements approval without corresponding collection, analysis, and reporting mechanisms in place. Financing of WP3 required from additional contracting parties or reduced scope planned. RD-ASEP for UN R41 activity closed with GRBP adoption of proposals based on ECE/TRANS/WP.29/GRBP/2025/4, ECE/TRANS/WP.29/GRBP/2025/6, and ECE/TRANS/WP.29/GRBP/2025/7 as amended. |
| Meeting Sessions: 8th RDASEP session (2 Sep 2025) |
| Document date: 02 Sep 25 |
| Relevant to: UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, and UN Regulation No. 138 | Quiet Road Transport Vehicles |
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| RDASEP: Data analysis work package discussion |
| Reference Number: RDASEP-08-03 |
| Meeting Sessions: 8th RDASEP session (2 Sep 2025) |
| Document date: 02 Sep 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Agenda for the 8th (September 2025) session |
| Reference Number: RDASEP-08-01/Rev.1 |
| Meeting Sessions: 8th RDASEP session (2 Sep 2025) |
| Document date: 08 Sep 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP: Agenda for the 9th (October 2025) session |
| Reference Number: RDASEP-09-01 |
| Meeting Sessions: 9th RDASEP session (21-22 Oct 2025) |
| Document date: 10 Oct 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Working draft 04 series of amendments |
| Reference Number: RDASEP-09-02 |
| Meeting Sessions: 9th RDASEP session (21-22 Oct 2025) |
| Document date: 20 Oct 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for amendments |
| Reference Number: RDASEP-09-03/Rev.1 |
| Submitted by: ICCT |
| Meeting Sessions: 9th RDASEP session (21-22 Oct 2025) |
| Document date: 22 Oct 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Background information on ICCT proposal |
| Reference Number: RDASEP-09-04/Rev.1 |
| Submitted by: ICCT |
| Meeting Sessions: 9th RDASEP session (21-22 Oct 2025) |
| Document date: 22 Oct 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP: Minutes of the 9th (October 2025) session |
| Reference Number: RDASEP-09-05 |
| Meeting Sessions: 9th RDASEP session (21-22 Oct 2025) |
| Document date: 10 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP: Agenda for the 10th (December 2025) session |
| Reference Number: RDASEP-10-01 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP issues list |
| Reference Number: RDASEP-10-02 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Working draft for a 04 series of amendments |
| Reference Number: RDASEP-10-03 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
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| RD-ASEP informal group 2026 calendar |
| Reference Number: RDASEP-10-04 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| Considerations for the design of the RD-ASEP control range |
| Reference Number: RDASEP-10-05 |
| Submitted by: ICCT |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 28 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |