PTI	Periodical Technical Inspections Last session: April 2024
SCUNV	Safer and Cleaner Used and New Vehicles in Developing Markets Last session: April 2024
IWVTA	International Whole Vehicle Type Approval System Next session: 20 Jun
DETA	Database for the Exchange of Type Approval Information Next session: 21 Jun
ITS3	Intelligent Transport Systems Phase 3 Last session: November 2023
GRSG	Working Party on General Safety Next session: 7-11 Oct
GRBP	Working Party on Noise and Tyres Next session: 17-20 Sep
GRVA	Working Party on Automated and Connected Vehicles Next session: 6-7 May
GRPE	Working Party on Pollution and Energy Next session: 14-16 Oct
GRSP	Working Party on Passive Safety Next session: 27-31 May
GRE	Working Party on Lighting and Light-signalling Next session: 29 Apr-3 May
GRB	Working Party on Noise Last session: January 2019
ITS/AD	Intelligent Transport Systems-Automated Driving Last session: June 2018
GRRF	Working Party on Brakes and Running Gear Last session: February 2018
EWG	Enforcement Working Group Last session: November 2015
ITS	Intelligent Transport Systems Last session: November 2014