UN R131 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2011/92. This document incorporates the following change:

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

Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2011/93. This document incorporates the following change:

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

Revision 1 has been prepared purely as documentation tool. The authentic and legally binding texts are WP.29/2013/60 and WP.29/2011/93. This document incorporates the following changes:

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

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.

Revision 1 | Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2016/7. This document incorporates the following change:

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.

Revision 1 | Amendment 2 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2022/76. This document incorporates the following change:

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

Revision 1 | Amendment 3 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2023/11. This document incorporates the following change:

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

Revision 2 | Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2023/12. This document incorporates the following change:

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.