Proposal for Supplements to the new UN Regulation No. [148] and to the 06 and [07] series of amendments to UN Regulation No. 48
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Proposal to introduce requirements for testing the sun load impact, which can delay the perception of a signal in such a way that it may became a serious safety issue, if the sun load impact goes above a defined ratio.

Reference Number: GRE/2019/22
Origin: Germany
Date: 7 August 2019
Proposal Status: Formal GR review
Related Documents:
GRE-82-38 | UN R48 and R148: Comments on document GRE/2019/22
GRE-83-40 | Update concerning sun-load impact on light-signalling devices proposal
Discussion(s):
Working Party on Lighting and Light-signalling | Session 82 | 22-25 Oct 2019

18. The expert from Germany presented an updated proposal which introduces requirements for testing the sun load impact into UN Regulation No. [148] (ECE/TRANS/WP.29/GRE/2019/22). He further indicated that these amendments should be introduced by a new 01 series of amendments to UN Regulation No. [148], together with transitional provisions. The proposal received comments from Japan (GRE-82-38). The experts from the United Kingdom, CLEPA and OICA requested justification for additional testing in ECE/TRANS/WP.29/GRE/2019/22. Finally, GRE invited the expert from Germany, in cooperation with Japan, CLEPA and OICA, to complement the document with transitional provisions and research justification.