WP.29 Working Parties and Informal Working Groups

Informal Working Groups are authorized by the World Forum and/or the GRs to research and develop new technical procedures and requirements. These groups enable technical experts from government agencies and NGOs as well as independent experts and specialists from other organizations (laboratories, universities, research institutions, etc.) to contribute towards the development of regulatory proposals for consideration by the Forum.

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3D H-point Machine (HPM) Last session: April 2023 Informal Group Mutual Resolution No. 1: Management of Test Devices GRSP, HPM
A-LCA Subgroup 2 (LCA-SG2) Last session: September 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG2
A-LCA Subgroup 3 (LCA-SG3) Last session: November 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG3
A-LCA Subgroup 4 (LCA-SG4) Last session: November 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG4
A-LCA Subgroup 5 (LCA-SG5) Last session: October 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG5
A-LCA Subgroup 6 (LCA-SG6) Last session: November 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG6
A-LCA Subgroup 7 (LCA-SG7) Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG7
Acceleration Control for Pedal Error (ACPE) Last session: November 2023 Informal Group Acceleration Control for Pedal Error GRVA, ACPE
Accessories for Protective Helmets (APH) Last session: November 2021 Informal Group Helmets and Visors GRSP, APH
Accident Emergency Call Systems (AECS) Last session: April 2016 Informal Group Accident Emergency Call Systems GRSG, AECS
ADAS Task Force (ADAS) Last session: November 2023 Informal Group Steering Equipment, Driver-Control Assistance Systems (DCAS) GRVA, ADAS
Additional Sound Emissions Provisions (ASEP) Last session: November 2005 Informal Group Vehicle Noise Emissions GRB, ASEP
Additional Sound Emissions Provisions Informal Group-II (ASEP II) Last session: February 2022 Informal Group Vehicle Noise Emissions, Motorcycle Noise , ASEP II
Advanced Emergency Braking and Lane Departure Warning Systems (AEBS/LDWS) Last session: January 2013 Informal Group Advanced Emergency Braking Systems, Lane Departure Warning Systems, Steering Equipment GRRF, AEBS/LDWS
AEBS for M1/N1 Vehicles (AEBS) Last session: September 2021 Informal Group Advanced Emergency Braking Systems, Automatic Emergency Braking for M1/N1 vehicles GRVA, AEBS
AEBS-Heavy Vehicles (AEBS-HDV) Last session: April 2022 Informal Group Advanced Emergency Braking Systems GRVA, AEBS-HDV
Agricultural Couplings (ACDC) Last session: November 2017 Informal Group Mechanical coupling components for agricultural vehicles GRRF, ACDC
Agricultural Vehicle Couplings Task Force (TFAC) Last session: May 2015 Informal Subgroup Mechanical Coupling Components R55, TFAC
Agricultural Vehicle Lighting Installation (AVLI) Last session: June 2015 Informal Group Installation of Lighting and Lighting-Signalling Equipment on Tractors GRE, AVLI
Automated Connections Between Vehicles (ACV) Last session: April 2013 Informal Group Fully Automated Coupling Systems, Mechanical Coupling Components, Heavy-Duty Vehicle Braking GRRF, ACV
Automated Driving Informal Group (ITS/AD) Last session: June 2018 Informal Group Automated Driving Systems, Cyber Security and Cyber Security Management WP.29, ITS/AD
Automated Vehicle Testing (TFAV) Last session: October 2018 Informal Subgroup Automated Driving Systems, Cyber Security and Cyber Security Management, Software Update Processes and Management Systems , TFAV
Automatically Commanded Steering Informal Group (ACSF) Last session: January 2020 Informal Group Steering Equipment, Automated Lane-Keeping Systems (ALKS) GRVA, ACSF
Automotive Life Cycle Assessment (A-LCA) Last session: October 2023 Informal Group Automotive Life Cycle Assessment GRPE, A-LCA
Autonomous Vehicle Signalling Requirements (AVSR) Last session: October 2023 Informal Group Automated Vehicle Signaling Requirements GRE, AVSR
AV Functional Requirements (FRAV) Last session: September 2023 Informal Group Automated Driving Systems GRVA, FRAV
AVLI Editorial Task Force (AVLI-ETF) Last session: January 2015 Informal Subgroup AVLI, AVLI-ETF
BioRID TEG (TEGID) Last session: September 2019 Informal Subgroup Head Restraints GTR7, TEGID
Brake Emissions Task Force (BETF) Last session: July 2021 Informal Subgroup Non-Exhaust Particle Emissions PMP, BETF
Bus Fire Event Management (BMFE) Last session: September 2021 Informal Group Construction of Coaches and Buses, Burning Behavior of Interior Materials GRSG, BMFE
Cab Strength Informal Group (CS) Last session: September 2008 Informal Group , CS
Camera Monitor Systems (II) Informal Group (CMS II) Last session: March 2015 Informal Group Indirect Vision Devices GRSG, CMS II
Camera Monitor Systems Informal Group (CMS) Last session: December 2009 Informal Group Indirect Vision Devices GRSG, CMS
Children in Buses and Coaches (STCBC) Last session: August 2023 Informal Group Child Restraint Systems for Buses and Coaches GRSP, STCBC
CRS Informal Group (CRS) Last session: October 2017 Informal Group Enhanced Child Restraint Systems, Child Restraint Systems GRSP, CRS
CS/OTA Task Force (TFCS) Last session: November 2023 Informal Subgroup Cyber Security and Cyber Security Management, Software Update Processes and Management Systems, Guidelines of Software Update Technical Requirements, Guidelines on Cyber Security Technical Requirements GRVA, TFCS
CS/OTA Test Phase (TFCS-TPCM) Last session: September 2019 Informal Subgroup Cyber Security and Cyber Security Management, Software Update Processes and Management Systems, Guidelines of Software Update Technical Requirements TFCS, TFCS-TPCM
Data Exchange for Type Approvals (DETA) Last session: November 2023 Informal Group Database for the Exchange of Type Approval Documentation WP.29, DETA
Data on Equitable Occupant Protection (DEOP) Last session: February 2023 Informal Group Mutual Resolution No. 1: Management of Test Devices, Equitable Occupant Protection GRSP, DEOP
Deployable Pedestrian Protection Systems (IWG-DPPS) Last session: November 2023 Informal Group Pedestrian Safety, Pedestrian Safety GRSP, IWG-DPPS
Deployable Pedestrian Protection Task Force (DPPS) Last session: November 2017 Informal Group Pedestrian Safety, Pedestrian Safety GRSP, DPPS
DETA Unique Identifier (DETA-SG-UI) Last session: February 2021 Informal Subgroup Database for the Exchange of Type Approval Documentation DETA, DETA-SG-UI
DSSAD Subgroup (SG-DSSAD) Last session: November 2023 Informal Subgroup Data Storage Systems for Automated Driving EDR-DSSAD, SG-DSSAD
DTP Additional Pollutants (WLTP-DTP-AP) Last session: March 2011 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP-DTP, WLTP-DTP-AP
DTP PM/PN Measurement (WLTP-DTP-PMPN) Last session: August 2010 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP-DTP, WLTP-DTP-PMPN
Dual Fuel Task Force (HDDF) Last session: September 2014 Informal Subgroup Heavy-Duty Dual Fuel Retrofit Systems GFV, HDDF
EDR Acceleration Accuracy (EDRAA) Last session: July 2022 Informal Subgroup Event Data Recorders, Common Data Elements for Event Data Recorders SG-EDR, EDRAA
EDR Data Elements Task Force (EDRDE) Last session: June 2023 Informal Subgroup Event Data Recorders SG-EDR, EDRDE
EDR Data Overwriting (EDROW) Last session: September 2020 Informal Subgroup Event Data Recorders SG-EDR, EDROW
EDR Definitions Task Force (EDRD) Last session: September 2020 Informal Subgroup Event Data Recorders SG-EDR, EDRD
eHDV durability (eHDV) Last session: November 2023 Informal Subgroup Heavy-Duty Electric Vehicle Battery Durability EVE, eHDV
Electric Vehicle Safety (EVS) Last session: June 2023 Informal Group Electric Vehicle Safety GRSP, EVS
Electric Vehicles and the Environment (EVE) Last session: October 2023 Informal Group Electric Vehicle Environmental Performance, Electrified Vehicle Battery Durability, Electric Vehicle System Power Determination, Heavy-Duty Electric Vehicle Battery Durability GRPE, EVE
Electrical Safety Group (ELSA) Last session: September 2010 Informal Group GRSP, ELSA
Electromagnetic Compatibility (EMC) Last session: October 2023 Informal Group Electromagnetic Compatibility GRE, EMC
Electromechanical Braking (EBSIG) Last session: November 2023 Informal Group Heavy-Duty Vehicle Braking, Light-Duty Vehicle Braking, Electromechanical Braking Systems GRVA, EBSIG
EMB-Energy (EMB-EGE) Last session: August 2023 Informal Subgroup Heavy-Duty Vehicle Braking, Light-Duty Vehicle Braking, Electromechanical Braking Systems EBSIG, EMB-EGE
Enforcement Working Group (EWG) Last session: November 2015 Informal Group Enforcement and Compliance WP.29, EWG
Environmentally Friendly Vehicles Informal Group (EFV) Last session: June 2011 Informal Group Environmentally Friendly Vehicles ACSF, EFV
Equitable Occupant Protection (EqOP) Last session: November 2023 Informal Group Equitable Occupant Protection GRSP, EqOP
Event Data Recorders/Data Storage Systems for Automated Driving (EDR-DSSAD) Last session: September 2023 Informal Group Data Storage Systems for Automated Driving, Event Data Recorders, Common Data Elements for Event Data Recorders , EDR-DSSAD
EVS Task Forces (EVSTF) Last session: September 2016 Informal Subgroup Electric Vehicle Environmental Performance EVS, EVSTF
EVSC Alternative Method Informal Group (AMEVSC) Last session: December 2012 Informal Group Heavy-Duty Vehicle Braking, Alternative Method for the Assessment of EVSC Systems GRRF, AMEVSC
Field of Vision Assistant (IWG) (IWG-FVA) Last session: November 2023 Informal Subgroup Driver Forward Field of Vision, Field of Vision Assistants GRSG, IWG-FVA
Field of Vision Assistant (TF) (TF-FVA) Last session: May 2021 Informal Group Driver Forward Field of Vision GRSG, TF-FVA
Flex-PLI TEG (TEG) Last session: December 2010 Informal Subgroup Pedestrian Safety , TEG
FRAV-VMAD Integration (FRAV-VMAD) Last session: November 2023 Informal Subgroup Automated Driving Systems , FRAV-VMAD
Frontal Impact Informal Group (FI) Last session: April 2014 Informal Group Occupant Protection in Frontal Collisions, Restraint System in Frontal Impact GRSP, FI
Fuel Quality (FQ) Last session: June 2010 Informal Subgroup Fuel Quality GRPE, FQ
FVA EG1 (FVA-EG1) Informal Subgroup Field of Vision Assistants IWG-FVA, FVA-EG1
FVA-EG2 Informal Subgroup Field of Vision Assistants IWG-FVA, FVA-EG2
FVA-EG3 Informal Subgroup Field of Vision Assistants IWG-FVA, FVA-EG3
Gaseous Fueled Vehicles Informal Group (GFV) Last session: June 2016 Informal Group Heavy-Duty Dual Fuel Retrofit Systems, C.I. Engine Emissions and Net Power, Liquefied Petroleum and Compressed Natural Gas Retrofit Systems, Motor Vehicle Emissions, Liquefied Petroleum Gas Equipment, Compressed and Liquefied Natural Gas System Components GRPE, GFV
Global Real Driving Emissions (RDE) Last session: January 2021 Informal Group Real Driving Emissions Test Procedure GRPE, RDE
GRBP SIG on Regulation Screening for AV (SIG-AVRS) Last session: November 2023 Informal Group Review of Regulations for Applicability to ADS Vehicles GRBP, SIG-AVRS
GRPE AV Regulation Screening (TF-AVRS) Last session: November 2023 Informal Group Review of Regulations for Applicability to ADS Vehicles GRPE, TF-AVRS
GRSG AV Regulation Screening (AVRS) Last session: March 2023 Informal Group Automated Driving Systems, Review of Regulations for Applicability to ADS Vehicles GRSG, AVRS
GRSP AV Screening (GRSP-TF-AVRS) Last session: February 2023 Informal Group Review of Regulations for Applicability to ADS Vehicles GRSP, GRSP-TF-AVRS
GTR 13-UN R134 transposition (R134) Last session: November 2023 Informal Subgroup Hydrogen fuel cell vehicle safety, Hydrogen and Fuel Cell Vehicle Safety GTR13, R134
GTR 7 Phase II Informal Group (GTR7) Last session: September 2015 Informal Group Head Restraints GRSP, GTR7
GTR 9 Amendment Technical Subgroup (TWSG) Last session: December 2021 Informal Subgroup Pedestrian Safety TFPP3, TWSG
GTR 9-Pedestrian Protection (TFPP3) Last session: December 2021 Informal Group Pedestrian Safety GRSP, TFPP3
GTR 9-Phase 2 Informal Group (GTR9) Last session: November 2017 Informal Group Pedestrian Safety, Pedestrian Safety GRSP, GTR9
Harmonized WorldSID Informal Group (WS) Last session: September 2012 Informal Group Harmonization of Side Impact Dummies GRSP, WS
HDH Drafting Group (HDH-DG) Last session: April 2014 Informal Subgroup Heavy-Duty Hybrid Vehicle Emissions, Worldwide Heavy-Duty Vehicle Emissions Certification Procedure, Non-Road Mobile Machinery Emissions , HDH-DG
Headlamp Levelling (SLR-HL) Informal Subgroup Installation of Lighting and Lighting-Signalling Equipment SLR, SLR-HL
Headlamp Switching Task Force (TFHS) Last session: September 2017 Informal Group Installation of Lighting and Lighting-Signalling Equipment GRE, TFHS
Heavy Vehicle AEBS Ad Hoc Group (Ad Hoc AEBS) Last session: December 2018 Informal Group Advanced Emergency Braking Systems GRVA, Ad Hoc AEBS
Heavy-Duty Hybrids Informal Group (HDH) Last session: March 2016 Informal Group Heavy-Duty Hybrid Vehicle Emissions, Worldwide Heavy-Duty Vehicle Emissions Certification Procedure, Non-Road Mobile Machinery Emissions GRPE, HDH
HFCV-Environment Subgroup (H2SGE) Last session: June 2010 Informal Subgroup Hydrogen and Fuel Cell Vehicle Safety GRPE, H2SGE
HFCV-GTR 13 Phase 2 (GTR13) Last session: June 2022 Informal Group Hydrogen and Fuel Cell Vehicle Safety GRSP, GTR13
HFCV-Safety Subgroup (SGS) Last session: June 2011 Informal Subgroup Hydrogen and Fuel Cell Vehicle Safety GRSP, SGS
Horizontal Reference Document Informal Group (HRD) Last session: October 2010 Informal Group GRE, HRD
Hydrogen/Fuel-Cell Vehicles Informal Group (HFCV) Informal Group , HFCV
IGPG Wiper Task Force-SG1 (IGPG-TF Wiper-SG1) Last session: August 2012 Informal Subgroup Safety Glazing Materials , IGPG-TF Wiper-SG1
IGPG Wiper Task Force-SG2 (IGPG-TF Wiper-SG2) Last session: November 2012 Informal Subgroup Safety Glazing Materials , IGPG-TF Wiper-SG2
Intelligent Transport Systems Informal Group (ITS) Last session: November 2014 Informal Group Intelligent Transport Systems, Automated Driving Systems WP.29, ITS
International Whole Vehicle Type Approval System (IWVTA) Last session: November 2023 Informal Group International Whole Vehicle Type Approval System (IWVTA), 1958 Agreement WP.29, IWVTA
ITS-Phase 3 (ITS3) Last session: November 2023 Informal Group Automated Driving Systems WP.29, ITS3
ITS/AD Ad Hoc Group (ITS/AD-AH) Last session: March 2017 Informal Subgroup Automated Driving Systems ITS/AD, ITS/AD-AH
IWG-MU-RE3 SDG (MU-RE3) Informal Subgroup RE3 Construction of Vehicles TFMU, MU-RE3
IWVTA 1958 Agreement Subgroup (SG58) Last session: March 2017 Informal Subgroup 1958 Agreement, International Whole Vehicle Type Approval System (IWVTA) IWVTA, SG58
IWVTA Ambassadors Subgroup (Ambassador) Last session: March 2013 Informal Subgroup International Whole Vehicle Type Approval System (IWVTA) , Ambassador
IWVTA Regulation 0 Subgroup (SGR0) Last session: March 2017 Informal Subgroup International Whole Vehicle Type Approval System (IWVTA) IWVTA, SGR0
L-EPPR Durability (DUR) Last session: August 2021 Informal Subgroup Durability of L-category Vehicle Pollution Control Devices EPPR, DUR
L-Vehicle Environmental and Propulsion Performance Requirements (EPPR) Last session: September 2023 Informal Group Motorcycle Emissions and Fuel Consumption, Emission of Gaseous Pollutants by Motorcycles, Moped Emissions, Motorcycle crankcase and evaporative emissions, Motorcycle On-Board Diagnostic Systems, L-vehicle Environmental and Propulsion Performance Requirements, Durability of L-category Vehicle Pollution Control Devices, Measurement of Motorcycle Max Power GRPE, EPPR
LKAS Ad Hoc Group (LKAS) Last session: June 2015 Informal Group Lane Keeping Assist Systems, Steering Equipment GRRF, LKAS
LNG Task Force (LNG) Last session: December 2013 Informal Subgroup Compressed and Liquefied Natural Gas System Components OBD2CG, LNG
Low Temperature Task Force (LTTF) Last session: June 2020 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP, LTTF
MACTP Informal Group (MACTP) Last session: June 2012 Informal Group Mobile Air-Conditioning Test Procedure GRPE, MACTP
Modular Vehicle Combinations (MVC) Last session: January 2020 Informal Group Mechanical Coupling Components, Heavy-Duty Vehicle Braking , MVC
Motorcycle Controls GTR (MCSYM) Last session: April 2011 Informal Group Location and Identification of Motorcycle Hand Controls, Tell-tales and Indicators GRSG, MCSYM
Motorcycle RD-ASEP (RDASEPL) Last session: November 2023 Informal Group Motorcycle Noise GRBP, RDASEPL
Noise Measurement Uncertainties (IWGMU) Last session: November 2023 Informal Group Motorcycle Noise, Vehicle Noise Emissions, Two-wheeled Moped Noise, Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, Quiet Road Transport Vehicles GRBP, IWGMU
OBD Task Force (WLTP-OBD) Last session: March 2020 Informal Subgroup Light Vehicle On-Board Diagnostic Systems WLTP, WLTP-OBD
OBD2 Correspondence Group (OBD2CG) Last session: January 2021 Informal Subgroup Motorcycle On-Board Diagnostic Systems EPPR, OBD2CG
Panoramic Sunroof Glazing (PSG) Last session: October 2020 Informal Group Safety Glazing Materials, Safety Glazing Materials, Mutual Resolution No. 4: Panoramic Sunroof Ceramic Printed Area Limits GRSG, PSG
Park Condition Lighting (R48.09SIG) Last session: March 2023 Informal Group Installation of Lighting and Lighting-Signalling Equipment GRE, R48.09SIG
Particle Measurement Programme (PMP) Last session: November 2023 Informal Group Particle Measurement Programme, Non-Exhaust Particle Emissions, Laboratory Measurement of Brake Emissions for Light-Duty Vehicles GRPE, PMP
Pedestrian Safety IWG (PS) Last session: April 2005 Informal Group , PS
Periodical Technical Inspections (PTI) Last session: November 2023 Informal Group Vehicle Inspection Testing Equipment, Skills and Training for Vehicle Technical Inspectors, Supervision of Vehicle Inspection Test Centers, 1997 Agreement on Periodical Technical Inspections, Vehicle Inspections: Environmental Protection, Vehicle Inspections: Roadworthiness, Technical Inspection of Vehicles powered by Natural Gas, Safety inspection requirements for hybrid and electric vehicles, Administrative and technical provisions required for carrying out the technical inspections, PTI-Automated Vehicles, PTI Tampering Detection, Periodical Technical Inspections of Accident Emergency Call Systems WP.29, PTI
Plastic Glazing Informal Group (IGPG) Last session: June 2014 Informal Group Safety Glazing Materials GRSG, IGPG
Pole Side Impact Informal Group (PSI) Last session: November 2012 Informal Group Pole Side Impact Protection (PSI), Pole side-impact protection GRSP, PSI
Power Determination Group (SPDGTR) Last session: June 2018 Informal Subgroup Electric Vehicle System Power Determination EVE, SPDGTR
Protective Helmets (PH) Last session: December 2019 Informal Group Helmets and Visors GRSP, PH
QRTV GTR- Task Force (GTRQRTV-TF) Last session: October 2014 Informal Subgroup Quiet Road Transport Vehicles GTRQRTV, GTRQRTV-TF
QRTV UN Regulation Informal Group (REG58-QRTV) Last session: February 2016 Informal Group Quiet Road Transport Vehicles GRB, REG58-QRTV
Quiet Road Transport Vehicles Group (QRTV) Last session: February 2012 Informal Group Quiet Road Transport Vehicles GRB, QRTV
Quiet Road Transport Vehicles GTR (GTRQRTV) Last session: May 2018 Informal Group Quiet Road Transport Vehicles , GTRQRTV
R129-R145 (AdHocCRS) Last session: April 2023 Informal Group Enhanced Child Restraint Systems, ISOFIX anchorages systems, ISOFIX top tether anchorages and i-Size seating positions, Safety belts and related systems GRSP, AdHocCRS
R41 Working Group (R41WG) Last session: June 2010 Informal Group Motorcycle Noise GRB, R41WG
R51 and R59 (IWG-R51/R59) Last session: October 2014 Informal Group Vehicle Noise Emissions, Replacement Silencing Systems GRB, IWG-R51/R59
R55 Revision Informal Group (R55) Last session: June 2016 Informal Group Mechanical Coupling Components GRRF, R55
RD-ASEP (RDASEP) Last session: May 2023 Informal Subgroup Vehicle Noise Emissions , RDASEP
RD-ASEP (UN R41/R51) (IG-ASEP) Last session: November 2023 Informal Group Motorcycle Noise, Vehicle Noise Emissions GRBP, IG-ASEP
Rechargeable Energy Storage Systems Subgroup (REESS) Last session: August 2014 Informal Subgroup Rechargeable Energy Storage Systems, Construction and Safety of Electric Powertrains, Electric Motorcycle Power Train Safety ELSA, REESS
Regulation Fitness for ADS (GRVA) (FADS) Last session: November 2023 Informal Group Automated Driving Systems, Review of Regulations for Applicability to ADS Vehicles GRVA, FADS
Retrofit Emission Control Devices Informal Group (REC) Last session: January 2014 Informal Group Retrofit Emission Control Devices GRPE, REC
Reverse Warning Task Force (TFRWS) Last session: October 2021 Informal Group Audible Reversing Warning Systems , TFRWS
Safer and Cleaner Vehicles (SCUNV) Last session: October 2023 Informal Group Safe and Clean New and Used Vehicles WP.29, SCUNV
Service Doors, Windows and Emergency Exits Group (SDWEE) Last session: January 2012 Informal Group GRSG, SDWEE
SG1: LCA Overarching Aspects (LCA-SG1) Last session: November 2023 Informal Subgroup Automotive Life Cycle Assessment A-LCA, LCA-SG1
Simplification of Lighting Regulations (SLR) Last session: November 2023 Informal Group Simplification of Lighting Regulations, Filament Lamps, Gas-discharge Light Sources, Light-Emitting Diode Light Sources, Retro-reflective Devices and Markings (RRD), Road Illumination Devices (RID), Light-Signalling Devices (LSD), Resolution on the common specification of light source categories (RE 5) GRE, SLR
SLR-Agricultural Vehicles (SLR-AVM) Last session: November 2023 Informal Subgroup Installation of Lighting and Lighting-Signalling Equipment on Tractors SLR, SLR-AVM
Special Tyre Definitions (STD) Last session: August 2009 Informal Group Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance , STD
Studded Tyres Task Force (TFST) Last session: October 2021 Informal Group Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance GRBP, TFST
Subgroup on EDR (SG-EDR) Last session: November 2023 Informal Subgroup Event Data Recorders, Common Data Elements for Event Data Recorders EDR-DSSAD, SG-EDR
Substitute Light Sources (TFSR) Last session: October 2023 Informal Group Installation of Lighting and Lighting-Signalling Equipment, Installation of Motorcycle Lighting, Moped Lighting, Installation of Lighting and Lighting-Signalling Equipment on Tractors, Light-Signalling Devices (LSD), Resolution on the common specification of light source categories (RE 5), Light-Emitting Diode Light Sources GRE, TFSR
Task Force QRTV-UN R138.02 (TFQRTV) Last session: November 2023 Informal Group Quiet Road Transport Vehicles GRBP, TFQRTV
Task Force-Bumper Test Area (TF-BTA) Last session: November 2014 Informal Subgroup Pedestrian Safety, Pedestrian Safety GTR9, TF-BTA
TF-LUPC (LUPC) Informal Group Installation of Lighting and Lighting-Signalling Equipment GRE, LUPC
TFAV Certification Tests & Audit (TFAV-SG1) Last session: October 2018 Informal Subgroup Automated Driving Systems TFAV, TFAV-SG1
TFAV Real World Test Drive (TFAV-SG2) Last session: October 2018 Informal Subgroup Automated Driving Systems TFAV, TFAV-SG2
TFCS Software Updates (TFCS-ahSU) Last session: September 2017 Informal Subgroup Cyber Security and Cyber Security Management TFCS, TFCS-ahSU
TFCS-Ad Hoc Threats (TFCS-ahT) Last session: April 2017 Informal Subgroup Cyber Security and Cyber Security Management TFCS, TFCS-ahT
TFCS-ahSU-Recommendations (TFCS-ahRSU) Last session: December 2017 Informal Subgroup Software Update Processes and Management Systems TFCS, TFCS-ahRSU
TFCS-CS Recommendation (TFCS-ahRCS) Last session: February 2018 Informal Subgroup Cyber Security and Cyber Security Management , TFCS-ahRCS
TFCS-Mitigations (TFCS-ahM) Last session: August 2017 Informal Subgroup Cyber Security and Cyber Security Management TFCS, TFCS-ahM
TFCS-Mitigations Paper (TFCS-ahMP) Last session: September 2017 Informal Subgroup Cyber Security and Cyber Security Management , TFCS-ahMP
TPMS and Tyre Installation (TPMSTI) Last session: July 2021 Informal Group Tyre Pressure Monitoring Systems, Tyre Installation GRBP, TPMSTI
TPMS Communication Interface (TPMSTI-CI) Last session: October 2020 Informal Subgroup Tyre Pressure Monitoring Systems TPMSTI, TPMSTI-CI
Trailer TPMS Type Approval subgroup (TAT) Last session: May 2021 Informal Subgroup Tyre Pressure Monitoring Systems TPMSTI, TAT
Tyre Abrasion (TA) Last session: November 2023 Informal Group Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance GRBP, TA
Tyre GTR Informal Group (TYREGTR) Last session: September 2019 Informal Group Tires , TYREGTR
Tyre Pressure Monitoring (TPM) Last session: November 2008 Informal Group Temporary-use Tires GRRF, TPM
UN Harmonized Q Dummies (TF-QUN) Last session: June 2022 Informal Group Mutual Resolution No. 1: Management of Test Devices GRSP, TF-QUN
UN R100 (UNR100) Informal Subgroup Occupant Protection in Frontal Collisions, Occupant Protection in Lateral Collisions, Construction and Safety of Electric Powertrains, Restraint System in Frontal Impact , UNR100
UN R157 Special Interest Group (UNR157) Last session: September 2022 Informal Group Automated Lane-Keeping Systems (ALKS) GRVA, UNR157
UN R39 Mileage Values (R39MV) Last session: November 2023 Informal Group Speedometer Equipment GRSG, R39MV
UNR116 Key Definition (R116Key) Last session: March 2021 Informal Group Protection of Vehicles Against Unauthorized Use GRSG, R116Key
UNR51-04 Drafting Group (UNR51-DG) Last session: November 2021 Informal Subgroup Vehicle Noise Emissions ASEP II, UNR51-DG
Validation Methods for Automated Driving (VMAD) Last session: November 2023 Informal Group Automated Driving Systems GRVA, VMAD
Vehicle Interior Air Quality (VIAQ) Last session: November 2023 Informal Group Mutual Resolution No. 3: Vehicle Interior Air Quality (VIAQ) GRPE, VIAQ
Vehicle Propulsion System Definitions (VPSD) Last session: February 2015 Informal Group 1958 Agreement, Special Resolution No. 1: Vehicle Categories, Masses and Dimensions, RE3 Construction of Vehicles, Mutual Resolution No. 2: Vehicle Propulsion System Definitions GRPE, VPSD
Vehicle Sound (TFVS) Last session: November 2023 Informal Group Motorcycle Noise, Vehicle Noise Emissions, Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, Two-wheeled Moped Noise, Replacement Exhaust Silencing Systems for Motorcycles, Quiet Road Transport Vehicles, Audible Reversing Warning Systems, Vehicle Sound GRBP, TFVS
Vehicle Sound Cross-Matrix (VSCM) Last session: March 2022 Informal Subgroup Vehicle Sound TFVS, VSCM
Vehicle/Tyre Noise Measurement Uncertainties (TFMU) Last session: June 2022 Informal Subgroup Vehicle Noise Emissions GRBP, TFMU
Vehicular Communications (VCTF) Last session: November 2023 Informal Subgroup Connectivity ITS3, VCTF
Visibility, Glare, and Levelling Informal Group (VGL) Last session: October 2017 Informal Group Installation of Lighting and Lighting-Signalling Equipment GRE, VGL
VMAD-SG1 (Scenarios) (VMAD-SG1) Last session: October 2023 Informal Subgroup Automated Driving Systems VMAD, VMAD-SG1
VMAD-SG2 (Virtual Testing) (VMAD-SG2) Last session: October 2022 Informal Subgroup Automated Driving Systems VMAD, VMAD-SG2
VMAD-SG3 (Audit/In-Service) (VMAD-SG3) Last session: November 2023 Informal Subgroup Automated Driving Systems VMAD, VMAD-SG3
VMAD-SG4 (Physical Testing) (VMAD-SG4) Last session: October 2023 Informal Subgroup Automated Driving Systems VMAD, VMAD-SG4
VRU Proximity Awareness Informal Group (VRU-Proxi) Last session: September 2023 Informal Group Awareness of Vulnerable Road Users in Low-speed Maneuvers, UN Regulation on Commercial Vehicle Direct Vision, Blind-spot information systems (BSIS), UN Regulation on Moving-Off Information Systems, Reversing Motion Detection GRSG, VRU-Proxi
Whiplash Criteria (WCWID) Last session: August 2015 Informal Subgroup Head Restraints GTR7, WCWID
Whole Life Compliance (PTI-WLC) Last session: April 2021 Informal Subgroup 1997 Agreement on Periodical Technical Inspections, PTI-Automated Vehicles, PTI: Whole Life Compliance PTI, PTI-WLC
WLTP Conformity of Production Task Force (TFCoP) Last session: December 2019 Informal Subgroup Light Vehicle Emissions Type Approval Test Procedure WLTP, TFCoP
WLTP Drafting Subgroup (WLTP-SG-Drafting) Last session: October 2015 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP, WLTP-SG-Drafting
WLTP Harmonized Drive Cycle Subgroup (WLTP-DHC) Last session: June 2013 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP, WLTP-DHC
WLTP Informal Group (WLTP) Last session: June 2020 Informal Group Worldwide Harmonized Light Vehicle Emissions Test Procedure, Motor vehicle evaporative emissions, Light Vehicle On-Board Diagnostic Systems, Light Vehicle Emissions Type Approval Test Procedure GRPE, WLTP
WLTP Subgroup on Electric Vehicles (WLTP-DTP-E-Lab) Last session: January 2012 Informal Subgroup Electric Vehicle Environmental Performance, Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP-DTP, WLTP-DTP-E-Lab
WLTP Test Procedure Development Subgroup (WLTP-DTP) Last session: June 2013 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP, WLTP-DTP
WLTP-DTP-Lab Process-ICE (WLTP-DTP-LabProcICE) Last session: November 2011 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP-DTP, WLTP-DTP-LabProcICE
WLTP-Electrified Vehicles (WLTP-SG-EV) Last session: May 2020 Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure, Electric Vehicle Environmental Performance WLTP, WLTP-SG-EV
WLTP-Transposition TF (WLTP-TTF) Last session: January 2020 Informal Subgroup Light Vehicle Emissions Type Approval Test Procedure, Motor Vehicle Pollution Control Device Durability WLTP, WLTP-TTF
Worn Tyres informal group (WT) Last session: July 2023 Informal Group Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance GRBP, WT