GAR | GRE-81-19

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SLR informal group status report

Document GRE-81-19

16 April 2019

81st GRE session (15-18 Apr 2019)

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Previous Documents, Discussions, and Outcomes

81st GRE session (15-18 Apr 2019)

4. | Simplification of lighting and light-signalling UN Regulations

8. The expert from the Informal Working Group “Simplification of the Lighting and Light-Signalling Regulations” (IWG SLR) reported on their progress and requested guidance from GRE (GRE-81-19). The expert from Poland commented on the IWG SLR request (GRE-81-22). GRE agreed that:

The headlamp provisions should continue to be expressed in terms of the luminous intensities equivalent to the illuminance measured on a screen at a distance of 25 m.
All technologies should be allowed for all SLR functions. Requirements should be common for all technologies; test requirements could be technology-specific.
Combination of different light source technologies should be possible for all SLR functions.

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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Documents concerning SLR

Documents concerning RE5: Light-source specifications

Documents concerning UN R48 Installation of Lighting

Documents concerning UN R148 Light-Signalling Devices

Documents concerning UN R149 Road Illumination Devices (RID)

Documents concerning UN R150 Retro-reflective Devices (RRD)

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