WP.29/2025/64
UN R157: Proposal for a Supplement 4 to the 01 series of amendments
Source(s)
Date
8 Apr 2025
Status
Adopted
Subject
Impact
01 series of amendments | Supplement 4
Meeting(s)

Proposal for terminology about the status of the system following an “engine start / run cycle”, to limit regular lane changes to roads “where it is possible to assess and handle the speed of an approaching vehicle” and to restrict lane changes by heavy vehicles (M3 and N3) to roads where the maximum permissible speed of target lane is “limited for all vehicle categories”, and to simplify the original text.

UNECE server
Excerpts from session reports
GRVA | Session 22 | 2-6 Jun 2025

6. GRVA considered the provisional agenda prepared for its twenty-second session (ECE/TRANS/WP.29/GRVA/2025/2). GRVA adopted it as reproduced in GRVA-22-02, which includes references to all informal documents received until 2 June 2025 with the follow addition: an additional agenda item 13(d) “Capacity building”. (All informal documents considered during the session are listed in Annex I of this report. Annex II provides the list of Informal Working Groups (IWG) reporting to GRVA.)

7. GRVA also agreed on the running order prepared for the session (see informal document GRVA-22-01).

WP.29 | Session 196 | 23-27 Jun 2025
With 37 of the 59 Contracting Parties applying UN R157 present and voting, AC.1 adopted document WP.29/2025/64 by a vote of 37 in favor, 0 opposed, with 0 abstaining.