WP29/GRB（騒音専門分科会）の動向と展望

摘要

GRB, the Working Party on Noise is undertaking the issues on noise disturbances from the vehicles and the tyres. For many years, the main issues are the development of new test procedure for the existing two UN/ECE Regulations of noise: Regulation No. 51 for passenger vehicles, buses and trucks, and Regulation No. 41 for motorcycles. The highlights from the recent activities are presented in this article.%GRB（騒音専門分科会）では，ドイツ政府代表の議長のrnもと，自動車騒音低減を目的とした1958年協定（国連のrn車両·装置等の型式認定相互承認協定）（以下，1958年協rn定）下のUN/ECE規則の制定·改正作業と情報交換を行rnっている．