GAR | GRE-88-07

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SLR informal group: Progress report

Document GRE-88-07

14 April 2023

88th GRE session (25-28 Apr 2023)

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Previous Documents, Discussions, and Outcomes

88th GRE session (25-28 Apr 2023)

4. | Simplification of Lighting and Light-Signalling UN Regulations

7. GRE noted the progress of the Informal Working Group “Simplification of the Lighting and Light-Signalling Regulations” (IWG SLR) and issues for consideration under step 2 of stage 2 of the simplification process (GRE-88-07), in particular:

Simplifying and improving the definition of an apparent surface.
Objective assessment of the actual functions as installed on the vehicle.
Where possible, harmonizing requirements with other regions.
Consistency among similar requirements and definitions in installation regulations.

Relates to SLR | UN R48 | UN R53 | UN R74 | UN R86 | UN R148 | UN R149 | UN R150 |

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 UN R48 Installation of Lighting

Documents concerning UN R53 Motorcycle Lighting

Documents concerning UN R74 Moped Lighting

Documents concerning UN R86 Tractor 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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