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(Latest posted on 19 Jun 2024)
UN R131 | Amendment 1 (2014)
10 Feb 2014 2014-02-13 10:04:48 UTC 1 01 series of amendments Based upon the adopted proposal: WP.29/2011/93

This proposal was adopted with amendments at the 156th World Forum/WP.29 session.

UN R131 | Revision 1 (2014)
27 Feb 2014 2014-03-08 02:20:07 UTC 1 01 series of amendments Based upon the adopted proposal: WP.29/2011/93

This proposal was adopted with amendments at the 156th World Forum/WP.29 session.

01 series of amendments | Supplement 1 Based upon the adopted proposal: WP.29/2013/60

Text as adopted by the Working Party on Brakes and Running Gear (GRRF) at its 74th session to amend the AEBS regulation, including provisions for M2 and N2 ≤ 8 tonnes vehicles.

UN R131 | Revision 1 | Amendment 2 (2023)
21 Feb 2023 2024-04-29 10:40:58 UTC 1 2 02 series of amendments Based upon the adopted proposal: WP.29/2022/76

Proposal from GRVA to adapt the performance requirements in UN R131 to the current state of the art.

UN R131 | Revision 1 | Amendment 3 (2023)
22 Dec 2023 2024-04-29 10:43:52 UTC 1 3 01 series of amendments | Supplement 3 Based upon the adopted proposal: WP.29/2023/11

Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.

UN R131 | Revision 2 (not published)
2024-04-29 10:46:05 UTC 2
UN R131 | Revision 2 | Amendment 1 (2023)
5 Dec 2023 2024-04-29 10:46:48 UTC 2 1 02 series of amendments | Supplement 1 Based upon the adopted proposal: WP.29/2023/12

Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.

UN R131 (2013)
7 Aug 2013 2013-08-12 16:54:05 UTC 00 series of amendments Based upon the adopted proposal: WP.29/2011/92

This proposal was adopted with amendments at the 156th World Forum/WP.29 session.

UN R131 | Revision 1 | Amendment 1 (2016)
28 Oct 2016 2016-11-01 18:58:20 UTC 1 1 01 series of amendments | Supplement 2 Based upon the adopted proposal: WP.29/2016/7

Proposal to amend the Introduction of the regulation to highlight technical issues related to the installation of AEBS on some specific vehicles included in the scope of the regulation.

Earlier texts may be available through the UN Official Document System.