This session includes documents concerning the following regulatory subjects:
UN R9 Three-Wheeled Cycle Noise UN Regulation UNR 0009
UN R41 Motorcycle Noise UN Regulation UNR 0041
UN R51 Vehicle Noise Emissions UN Regulation UNR 0051
UN R59 Replacement Silencing Systems UN Regulation UNR 0059
UN R63 Two-wheeled Moped Noise UN Regulation UNR 0063
UN R117 Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance UN Regulation UNR 0117
UN R138 Quiet Road Transport Vehicles UN Regulation UNR 0138