International Organization for Standardization
27 Jan 2022 Proposal for amendment to Regulations No. 51, 117, 138 (ISO) GRBP-75-02/Rev.1 2022-01-27 ISO
22 Jan 2022 UN R138: Background noise criteria - ISO 16254 Technical Measurement Development (ISO) GRBP-75-03 2022-01-22 Presentation by ISO TC43/SC1/WG42 ISO
31 Jan 2024 UN R138: Proposal for Supplement 1 to the 02 series of amendments (ISO) GRBP-79-30 2024-01-31 Proposal aims to reflect the latest status of the ISO/FDIS 16254 draft and to reflect the understanding of the intent of the QRTV working group. ISO
15 Jun 2022 UN R138: Proposal for Supplement 3 to the 01 series of amendments (ISO) GRBP/2022/15 2022-06-15 Proposal to bring the latest ISO 10844 standard test surface into the Regulation. ISO
28 May 2018 QRTV: Technical comparison of FMVSS 141 and UN R138 (ISO) GTRQRTV-06-06 2018-05-28 ISO
11 Sep 2014 Draft ISO 16254: Acoustics -- Measurement of minimum noise emitted by road vehicles (ISO) GTRQRTV-TF-05-04 2014-09-11 ISO
21 Jan 2022 ISO 16254 Technical Measurement Development (ISO) IWGMU-16-08 2022-01-21 ISO
10 Jan 2022 ISO 16254:Technical Measurement Development (ISO) TFMU-16-03 2022-01-10 ISO
22 Jan 2022 SAE Cooperative Research Project – FMVSS 141 (ISO) TFMU-16-09 2022-01-22 ISO
22 Jan 2022 SAE FMVSS 141 Measurement Uncertainty Study (ISO) TFMU-16-10 2022-01-22 ISO
16 Aug 2022 ISO 16254: Evaluation of Sound Environment Uncertainty (ISO) TFQRTV-02-04 2022-08-16 ISO
12 Sep 2022 ISO 16254 status report (Measurement of sound emitted by road vehicles) (ISO) TFQRTV-03-03 2022-09-12 ISO
12 Sep 2022 Draft ISO DIS 16254-September 2022 (ISO) TFQRTV-03-04 2022-09-12 ISO/CD 16254:2022: Acoustics – Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation – Engineering method. ISO
7 Nov 2022 QRTV: Uncertainty Effects: ISO/DIS 16254 5-microphone results (ISO) TFQRTV-04-03 2022-11-07 ISO
15 Nov 2023 Measurement Results from the revised ISO 16254 – application to safety regulations (ISO) TFQRTV-10-04 2023-11-15 ISO