Measurement of noise pollution caused by vehicles and the level of annoyance corresponding to it in the residents of Navvab Expressway neighborhood

Disturbance caused by noise causes malfunctioning, reduction of efficiency and negative impact on personal and social life. The purpose of this study is to measure the amount of sound disturbance caused by vehicles and the amount of disturbance based on the standard (ISO15666-2017) in the residents near the Navvab highway. The relationship between the variables was done using non-parametric tests and analysis of variance, and the data was analyzed with spss21. The equivalent sound level was 61 dB during the day and 53 dB at night, which is more than the permissible limit provided by the country (45-50). Also, there is a significant relationship between noise level and nuisance score.