GAR | WP.29/2021/143/Rev.1

WP.29/2021/143/Rev.1

UN R157: Proposal for Supplement 3

Source(s)

Date

6 Oct 2021

Status

Adopted

Subject

UN R157 Automated Lane-Keeping Systems

Impact

Original text | Supplement 3

Meeting(s)

WP.29 | Session 185 | 23-26 Nov 2021

Agenda item 4.10.8. Proposal for Supplement 3 to UN Regulation No. 157 (ALKS)

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’.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRVA | Session 10 | 25-28 May 2021

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.

GRVA | Session 9 | 1-5 Feb 2021

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.

GRVA | Session 11 | 27 Sep-1 Oct 2021

26. GRVA recalled the purpose of ECE/TRANS/WP.29/2021/143 and the agreement to reconfirm its content at this session. GRVA reviewed GRVA-11-08, jointly developed by the IWG on DSSAD/EDR and the Special Interest Group on UN Regulation No. 157, with an amendment proposal to the official document. GRVA requested the secretariat to submit the amendments to World Forum for Harmonization of Vehicle Regulations (WP.29) and the Administrative Committee of the 1958 Agreement (AC.1), for consideration at their November 2021 sessions.

27. The expert from the United States of America required clarification about the procedure in that case. The secretariat explained the administrative constraints in such as case and agreed to expedite the preparation of documents in line with relevant rules.