GAR | GRRF/2014/6

Regulation:	UN Regulation No. 131 \| Advanced Emergency Braking Systems
Document:	Revision 1 \| Amendment 3
Corresponds to:	01 series of amendments \| Supplement 3 (Entered into force on 24 Sep 2023)
Based on:	Document 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”.

Regulation:	UN Regulation No. 131 \| Advanced Emergency Braking Systems
Document:	Revision 2 \| Amendment 1
Corresponds to:	02 series of amendments \| Supplement 1 (Entered into force on 24 Sep 2023)
Based on:	Document 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.

Regulation:	UN Regulation No. 137 \| Restraint System in Frontal Impact
Document:	Revision 2
Corresponds to:	01 series of amendments \| Supplement 1 (Entered into force on 29 Dec 2018)
Corresponds to:	01 series of amendments \| Supplement 2 (Entered into force on 28 May 2019)
Corresponds to:	01 series of amendments \| Supplement 3 (Entered into force on 3 Jan 2021)
Corresponds to:	02 series of amendments (Entered into force on 9 Jun 2021)

Regulation:	UN Regulation No. 161 \| Devices for Protection against Unauthorized Use
Document:	Revision 0 \| Amendment 3
Corresponds to:	00 series of amendments \| Supplement 3 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/146 Proposal from GRSG to clarify the scope of the UN Regulation and to complement the text with the missing Supplement 7 to the original version of UN R116.

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 9 \| Amendment 2
Corresponds to:	12 series of amendments \| Supplement 2 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/138

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 8 \| Amendment 11
Corresponds to:	11 series of amendments \| Supplement 20 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/137 Proposal to clarify provisions regarding the actuation of the parking brake warning device to cover the case of electric control transmission systems where there may be a transition between parked (applied) and un-parked (released) braking states.

Proposal for amendments to Regulation No. 78

Document GRRF/2014/6

24 December 2013

76th GRRF session (17-21 Feb 2014)

Updated proposal for a series of amendments to clarify a variety of requirements, notably concerning test surface requirements, ABS cycling, and peak braking coefficient measurements under UN R78.

Submitted by IMMA

Status: Superseded

76th GRRF session (17-21 Feb 2014)

5. (a) | Regulation No. 78

20. The expert from IMMA introduced ECE/TRANS/WP.29/GRRF/2014/5 and ECE/TRANS/WP.29/GRRF/2014/6 as amended by GRRF-76-19 and GRRF-76-36-Rev.1 proposing general clarifications to UN Regulation No. 78 and specific clarifications for the use of Combined Braking Systems (CBS). The proposals received some comments and the expert from IMMA consolidated these requested changes into a revised proposal (GRRF-76-45). The expert from India introduced GRRF-76-32 on three wheelers, which GRRF agreed to revisit on the basis of a revised proposal at its September 2014 session. GRRF requested the secretariat to distribute GRRF-76-45 with an official symbol at the September 2014 session.

12. (b) | Revision and extension of approvals

Reference Number:	TA-23-07
Meeting Session(s):	23rd TA session (25 Apr)
Document date:	29 May 24

Reference Number:	WT-57-04
Meeting Session(s):	57th WT session (17 Apr)
Document date:	07 May 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

Reference Number:	GRBP-TFAVRS-03-03
Meeting Session(s):	3rd GRBP-TFAVRS session (15 May)
Document date:	07 May 24
Regarding:	Regulation Screening for ADS \| UN R138 Quiet Road Transport Vehicles
View full document file for more information

Reference Number:	GRBP-TFAVRS-03-01
Meeting Session(s):	3rd GRBP-TFAVRS session (15 May)
Document date:	07 May 24
Regarding:	Regulation Screening for ADS

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