ACDC	Agricultural Coupling Devices and Components Last session: November 2017
ACV	Informal Group on Automated Connections Between Vehicles Last session: April 2013
AEBS/LDWS	Informal Group on Advanced Emergency Braking and Lane Departure Warning Systems Last session: January 2013
AMEVSC	Informal Group on an Alternative Method for Assessing Electronic Vehicle Stability Control Systems Last session: December 2012
LKAS	Lane Keeping Assist System Ad Hoc Group Last session: June 2015
MVC	Modular Vehicle Combinations Last session: January 2020
R55	Informal Group on Amendments to UN R55.01 Last session: June 2016
STD	Joint GRRF/GRB informal group on Special Tyre Definitions Last session: August 2009
TPM	Informal Working Group on Tyre Pressure Monitoring Last session: November 2008