GRBP-80-24
UN R138: Proposal for amendment for the sensitive fixation of the AVAS sound pressure levels
GRBP-80-28
UN R138: Proposal for a new supplement to the 02 series of amendments
GRBP-80-06
UN R138: Proposal for 03 series of amendments
GRBP-80-13
UN R138: Proposal for alternative non-acoustic measures to AVAS
GRBP-80-20/Rev.1
UN R138: Background to proposal for the Application of Noise Limits to EVs fitted with Exterior Sound Enhancement Systems (ESES)
GRBP-80-33
UN R138: Proposal for Supplement 1 to the 02 series of amendments
GRBP-80-32
Assessment of external vehicle sound: Evaluation of situations where vehicles might be overheard
GRBP/2024/22
UN R51: Proposal for corrections to the 03 series of amendments