GAR | GRBP-71-11

UN R51: EC Study on sound level limits of M- and N- category vehicles

Document GRBP-71-11

21 January 2020

Text submitted by the expert of EC to update on the study and investigate the sound level limits of M- and N-category vehicles in Europe.

Submitted by EC

Status: GR information

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Previous Documents, Discussions, and Outcomes

Relates to UN R51 |

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:	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