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UN R138: Proposal for Supplement 1 to the 02 series of amendments
Document GRBP/2024/20
2 July 2024

Proposal to clarify that the maximum sound pressure requirement at the front plane at standstill condition in reverse shall be equal to the maximum level requirement in motion (defined by the QRTV task force as 75 dB(A) for both standstill and reverse driving).

Submitted by Japan
Status: Formal GR review
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Previous Documents, Discussions, and Outcomes
5. | UN Regulation No. 138 (Quiet Road Transport Vehicles)

16. The expert from Japan proposed clarifications (ECE/TRANS/WP.29/GRBP/2024/20 and GRBP-80-33) which were based on the considerations of the former Task Force on Quiet Road Transport Vehicles (TF QRTV). GRBP adopted the proposal and requested the secretariat to submit them for consideration and vote at the March 2025 sessions of WP.29 and AC.1 as Supplement 1 to the 02 series of amendments to UN Regulation No. 138.

Related and Previous Documents
GRBP-80-33
Relates to UN R138 |