(Latest posted on 4 Mar 2019)
GRB Scope
Groups reporting to GRB
Please note that some groups may no longer be active.
ASEP II 2nd Informal Working Group on Additional Sound Emission Provisions Last session: February 2022
TFRWS Task Force on Reverse Warning Sound Issues Last session: October 2021
TYREGTR Informal Group on the Development of a Tyre GTR Last session: September 2019
GTRQRTV Global Technical Regulation for Quiet Road Transport Vehicles Informal Group Last session: May 2018
REG58-QRTV Informal Working Group for the Development of a UN Regulation on Quiet Road Transport Vehicles Last session: February 2016
IWG-R51/R59 Informal Working Group on UN Regulations Nos. 51 and 59 Last session: October 2014
QRTV Informal Group on Quiet Road Transport Vehicles Last session: February 2012
ASEP Informal Group on Additional Sound Emissions Provisions Last session: November 2005
EFV Informal Group on Environmentally Friendly Vehicles Last session: June 2011
STD Joint GRRF/GRB informal group on Special Tyre Definitions Last session: August 2009
R41WG Informal Working Group on Motorcycle Noise Emissions (Regulation No. 41) Last session: June 2010