GAR | GRBP-80-32

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Assessment of external vehicle sound: Evaluation of situations where vehicles might be overheard

Document GRBP-80-32

18 September 2024

80th GRBP session (17-20 Sep)

Submitted by ACEA and OICA

Status: Informal GR review

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Previous Documents, Discussions, and Outcomes

80th GRBP session (17-20 Sep)

5. | UN Regulation No. 138 (Quiet Road Transport Vehicles)

17. The experts from WBU and OICA presented the outcome of their joint events in Aachen (June 2024) and in Neuburg (August 2024), which tested external vehicle sound and assessed situations where electric vehicles equipped with an acoustic vehicle alerting system (AVAS) might be overheard (GRBP-80-32), and replied to clarifying questions.

Relates to Vehicle Sound |

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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