Proposal as approved by the GRRF to clarify provisions on the use of Combined Braking Systems (CBS) and make some additional editorial improvements.
| Reference Number: | WP.29/2015/9 |
| Meeting Session(s): | 165th WP.29 session (10-13 Mar 2015) |
| Document date: | 23 Dec 14 |
| Document status: | Adopted text published |
| Regarding: | |
| View full document file for more information | |
Proposal to include three-wheeled category L vehicles within the scope of ABS testing, to align UN R78 with the provisions for anti-lock braking systems used in other regulations, including specific exemptions for certain off-road vehicles as incorporated in UN Regulation No. 13, and to allow for Emergency Stop Signal (ESS) systems on motorcycles and related vehicles. The proposal also clarifies the limits on the use of any temporary ABS deactivation switch and prohibition against permanent disabling of ABS if fitted on a motorcycle.
| Reference Number: | WP.29/2016/56 |
| Meeting Session(s): | 169th WP.29 session (21-24 Jun 2016) |
| Document date: | 05 Apr 16 |
| Document status: | Adopted text published |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2016/56), Amended, was adopted by the World Forum. Thirty-six Contracting Parties out of the 44 applying UN R78 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
| Reference Number: | WP.29-169-03 |
| Meeting Session(s): | 169th WP.29 session (21-24 Jun 2016) |
| Document date: | 01 Jun 16 |
| Document status: | Adopted text published |
| Regarding: | |
| View full document file for more information | |
Proposal to align the text with the provisions for anti-lock braking systems used in other regulations, including specific exemptions for certain off-road vehicles as incorporated in UN Regulation No. 13. The proposal clarifies the limits on the use of any temporary ABS deactivation switch and prohibition against permanent disabling of ABS if fitted on a motorcycle.
| Reference Number: | WP.29/2016/114 |
| Meeting Session(s): | 170th WP.29 session (15-18 Nov 2016) |
| Document date: | 01 Sep 16 |
| Document status: | Adopted text published |
| Regarding: | |
| View full document file for more information | |
Proposal to introduce provisions relevant to the activation of stop lamps under more conditions than application of the service brake only, e.g. also by regenerative braking.
| Reference Number: | WP.29/2019/46 |
| Meeting Session(s): | 178th WP.29 session (24-28 Jun 2019) |
| Document date: | 11 Apr 19 |
| Document status: | Formal WP.29 review |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2019/46) was adopted by the World Forum. Thirty-five Contracting Parties out of the 47 applying UN R78 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to harmonise the requirements of UN R78 with the latest amendments to UN GTR No. 3 adopted by GRVA at its fourth session. Paragraph 5.1.18 aims to clarify with an explicit article that the rider is duly informed when activating a riding mode that disables the ABS on the rear axle.
| Reference Number: | WP.29/2020/65 |
| Meeting Session(s): | 181st WP.29 session (24 Jun 2020) |
| Document date: | 31 Mar 20 |
| Document status: | Adopted text published |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2020/65) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 48 applying UN R78 were present for the vote by AC.1. Thirty-nine voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to align UN R78 with the latest amendments to UN R13-H regarding the deceleration thresholds for the activation of the stop lamp(s) under regenerative braking and to introduce a reference to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493.
| Reference Number: | WP.29/2022/13 |
| Meeting Session(s): | 186th WP.29 session (7-11 Mar 2022) |
| Document date: | 23 Dec 21 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2022/13) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R78 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to introduce references to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493.
| Reference Number: | WP.29/2022/48 |
| Meeting Session(s): | 186th WP.29 session (7-11 Mar 2022) |
| Document date: | 27 Dec 21 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2022/48) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R78 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to introduce references to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493.
| Reference Number: | WP.29/2022/49 |
| Meeting Session(s): | 186th WP.29 session (7-11 Mar 2022) |
| Document date: | 27 Dec 21 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2022/49) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R78 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to introduce new requirements for Complex Electronic Control Systems (in line with the corresponding provisions for passenger cars in UN Regulation No. 13-H) and to highlight the approval number and marking provisions pursuant to the series of amendments.
| Reference Number: | WP.29/2023/67 |
| Meeting Session(s): | 190th WP.29 session (19-22 Jun 2023) |
| Document date: | 04 Apr 23 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| Adoption Vote | |
| This proposal (WP.29/2023/67) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R78 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to improve UN R78 alignment with UN R13-H provisions concerning the stop lamp signal.
| Reference Number: | WP.29/2023/10 |
| Meeting Session(s): | 189th WP.29 session (6-9 Mar 2023) |
| Document date: | 20 Dec 22 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| View full document file for more information | |
Proposal to correct a misalignment between the transitional provisions for the new 06 series of amendments to UN R78 and the General Guidelines for Transitional Provisions in UN Regulations.
| Reference Number: | WP.29/2024/60 |
| Meeting Session(s): | 193rd WP.29 session (24-28 Jun 2024) |
| Document date: | 12 Apr 24 |
| Document status: | Adopted by WP.29 |
| Regarding: | |
| View full document file for more information | |
Proposal to introduce specific deceleration requirements for the Speed Electronically Power Assisted Cycles belonging to the Category L in UN R78.
| Reference Number: | GRVA/2024/21 |
| Submitted by: | IMMA |
| Meeting Session(s): | 19th GRVA session (20-24 May and 25 Jun 2024) |
| Document date: | 15 Apr 24 |
| Document status: | Formal GR review |
| Regarding: | |
| View full document file for more information | |