UN R157: Proposal for Supplement 3
Document WP.29/2021/143/Rev.1
6 October 2021

Proposal from GRVA to expand the scope to include N category vehicles and to apply the minimum performance for service braking systems (5 m/s²) as required in the 11 series of amendments to UN Regulation No. 13, for vehicles of the Categories M2, M3, N2 and N3 and to clarify provisions for ALKS response to emergency vehicles and interpretation of the term ‘detectable collision’.

Status: Adopted
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Previous Documents, Discussions, and Outcomes
4.10.8. | Proposal for Supplement 3 to UN Regulation No. 157 (ALKS)
4. (d) | UN Regulation on Automated Lane Keeping System

GRVA received a progress report from the Special Interest Group on UN Regulation No. 157 (GRVA-10-34).

GRVA discussed the coordination of work related to this agenda item in line with the guidance provided by AC.2 (GRVA-08-10).

GRVA requested the secretariat to submit GRVA-10-35 to WP.29 and AC.1 for consideration and vote at their November 2021 sessions, subject to final review by GRVA at its September 2021 sessions.

4. (d) | UN Regulation on Automated Lane Keeping System

23. The expert from OICA introduced their proposal to extend the scope of UN Regulation No. 157 in ECE/TRANS/WP.29/GRVA/2021/3 (amended by GRVA-09-19) and invited the GRVA expert to provide views and input on the questions in GRVA-09-34.

23bis. The expert from Korea noted that the time gap values were governed by traffic rules and that UN Regulation No. 157 took the reference deceleration values from UN Regulation No. 13- H. He suggested that the corresponding values in UN Regulation No. 13 should be used for heavy vehicles.

Related and Previous Documents
GRVA/2021/3
GRVA-10-35
GRVA-10-36
WP.29/2021/143
Relates to UN R157 |