Study of the road traffic noise in Erzurum-Turkey

Road traffic noise affects a large number of people, especially in urban areas and is generally a major source ofcomplaints. this paper refers to a study of the problem of traffic noise on roads which have been transformed intostreets in the city of erzurum. noise levels are measured and the impacts suffered by the community aredocumented. manual noise measurements were made along 12 streets exploring sources of maximum noise levels.noise from different types of vehicles driven in a realistic way in inner city traffic was measured. the results fromthe measurements showed that, of 750 measured events, approximately 5% of the vehicles exceeded 70 db(a) andless than 2% exceeded 80 db(a) maximum noise level. in summary, the result showed that the most importantvehicle component as regards the maximum noise level in inner city traffic was a medium-weight vehicle. amongthe higher noise levels measured ( > 80 db(a)) this type of vehicle was dominant.