GAR

Introduces Real Driving Additional Sound Emission Provisions (RD-ASEP) for vehicles of categories M1 and N1 covering driving conditions outside of normal driving with higher accelerations and vehicle speeds up to 100 km/h

Reference Number:	GRBP-74-22
Meeting Session(s):	74th GRBP session (15-17 Sep 2021)
Document date:	07 Sep 21
Document status:	Informal GR review
Regarding:	UN R51 Vehicle Noise
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UN Regulation No. 51

Vehicle Noise Emissions

04 series of amendments

02 series of amendments

Supplement 8

Corrigendum 3

Supplement 7

Supplement 6

Supplement 5

Supplement 4

Supplement 3 | Corrigendum 1

Corrigendum 2

Corrigendum 1

Supplement 1

Supplement 9

Supplement 10

03 series of amendments

Supplement 1

Supplement 2

Supplement 3

Supplement 4

Supplement 5

Supplement 4 | Corrigendum 1

Supplement 6

Supplement 7

Supplement 8

Supplement 9

Supplement 10

Supplement 11

04 series of amendments

04 series of amendments was established by the adoption of the following proposals

GRBP-74-22 UN R51: Proposal for 04 series of amendments

Reference Number:	TFGP-04-01
Meeting Session(s):	4th TFGP session (9 Sep)
Document date:	25 Aug 25
Regarding:	UN R48 Installation of Lighting \| UN R149 Road Illumination Devices (RID)

Reference Number:	IWVTA-49-02
Meeting Session(s):	49th IWVTA session (6 Nov)
Document date:	22 Aug 25
Regarding:	UN R0 International Whole Vehicle Type Approval

Reference Number:	A-LCA-SG2-23-01
Meeting Session(s):	23rd A-LCA-SG2 session (28 Aug)
Document date:	22 Aug 25
Regarding:	Automotive Life Cycle Assessment

Reference Number:	TFCS-35-01
Meeting Session(s):	35th TFCS session (11 Sep)
Document date:	22 Aug 25
Regarding:	UN R155 Cybersecurity \| UN R156 SW Updates \| Cyber Security Guidelines \| Software Updates Guidelines