Global
Auto
Regs
Friday, 3 April 2026
Week 14
Cookies help us deliver our services. By using our services, you agree to our use of cookies.
OK
Learn more
Menu
Sign up for more information.
Already signed up?
Sign In
Sign In
Upcoming Meetings
×
RD-ASEP Editing Task Force | Session 4 | 8 Apr
Automotive Life Cycle Assessment | Session 38 | 9 Apr
EqOP Task Force on Virtual Crash Testing | Session 14 | 13 Apr
Working Party on General Safety | Session 131 | 13-17 Apr
Task Force on Glare Prevention | Session 7 | 13 Apr
EqOP Task Force on Restraint Requirements | Session 4 | 14 Apr
Real-Driving Additional Sound Emission Provisions | Session 12 | 14-16 ...
Task Force on Vehicle Sound Limits | Session 20 | 14 Apr
Simplification of Lighting and Light-Signalling Regulations | Session 77...
Task Force on Substitute and Retrofit Light Sources | Session 27 | 20 Apr
Electric Vehicles and the Environment | Session 96 | 21-22 Apr
Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems | Session 8 | 2...
View complete calendar
Recent Headlines
×
6 May 2025 CO2 emissions EP fast-tracks vote on flexibility measures for...
10 Mar 2025 Electric vehicles and climatisation measuring the impact on...
29 Jan 2025 EU Parliament report on vehicle circularity and end-of-life...
9 Jan 2025 High-visibility clothing may thwart pedestrian crash prevention...
30 Dec 2024 Australia ceases UN R147 application
20 Dec 2024 NHTSA Proposes National Program for Vehicles with Automated...
Vehicle System Pages
×
Lighting and Light-Signalling
Passive Safety
Driving Automation
Emissions and Energy
Vehicle and Tyre Noise
Braking and Steering
Tyres
General Construction Safety
Vehicle Categories Pages
×
Definitions
Motorcycles
Passenger Vehicles
Commercial Vehicles
Agricultural Vehicles
Trailers
Latest Documents
×
3 Apr 2026 | AI 9th session: Registration form for attendance at the meeting in L...
3 Apr 2026 | UN R12: Updates for applicability to ADS vehicles | GRSP-TF-AVRS-24-06
3 Apr 2026 | "Mass in running order" across RE3, UN R94/95/127/137/153 and EU 202...
(3 posted today)
(43 posted during the past week)
AI 9th session: Registration form for attendance at the meeting in London
Reference Number:
AI-07-15/Rev.1
Meeting Sessions:
7th AI session (12 Mar)
and
8th AI session (24 Apr)
Document date:
03 Apr 26
Relevant to
WP.29 Discussion Topic | Artificial Intelligence
UN R12: Updates for applicability to ADS vehicles
Reference Number:
GRSP-TF-AVRS-24-06
Submitted by:
UTAC
Meeting Sessions:
24th GRSP-TF-AVRS session (2 Apr)
Document date:
03 Apr 26
Relevant to
UN Regulation No. 12 | Steering Mechanism Impact Protection
and
WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles
"Mass in running order" across RE3, UN R94/95/127/137/153 and EU 2021/535
Reference Number:
GRSP-TF-AVRS-24-05
Submitted by:
EC
Meeting Sessions:
24th GRSP-TF-AVRS session (2 Apr)
Document date:
03 Apr 26
Relevant to
WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles
and
WP.29 Regulatory Project | Approval of vehicles of category Y (without occupants) with regard to their crash safety
Home
Latest Documents
(3 today)
Upcoming Meetings
Regulatory Changes
World Forum and subsidiary bodies
WP.29 Regulations
Vehicle System Pages
WP.29 Meeting Calendar
WP.29 Participants
Join GAR
Contact GAR
UN Regulation No. 55
Mechanical Coupling Components
← Revision 3 | Amendment 3
UN R55: Revision 2
UN R55: Revision 2-Amendment 1 →
11 Nov 2015
Downloads
From the UNECE server :
.pdf format
.docx format
UN R55: Revision 2 reproduces the following amendment(s):
01 series of amendments | Corrigendum 1
(13 Mar 2002
)
01 series of amendments | Supplement 1
(17 Mar 2010
)
01 series of amendments | Supplement 2
(30 Jan 2011
)
01 series of amendments | Supplement 3
(13 Apr 2012
)
01 series of amendments | Supplement 4
( 8 Oct 2015
)