Document Number GRVA-13-15
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Document title UN R78: Proposal for a Supplement to the 05 series of amendments
Date 20 May 2022 Proposal to further align the stop lamp signal provisions in UN R78 with UN R13-H to ensure consistent stop lamp behaviour across different vehicle categories and therefore avoid confusion to road users driving behind a braking vehicle regardless of its category.
Source(s) IMMA
Status Superseded
Rulemaking area(s)
Meeting(s)
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Excerpts from session reports related to this document
GRVA | Session 13 | 23-27 May 2022

95. The expert from IMMA presented informal document GRVA-13-15, proposing further alignment of the stop lamp signal provisions in UN Regulation No. 78 with UN Regulation No. 13-H, to keep a consistent stop lamp behaviour across different vehicle categories and therefore avoid confusion to road users driving behind a braking vehicle, regardless of its category.

96. GRVA welcomed IMMA’s intention to submit an official document, developed on the basis of GRVA-13-15, for consideration at the September 2022 session of GRVA.