Study on the effects of traffic noise on human health

This study analyses the physiological effects of traffic noise on the people living in the vicinity of roads in Delhi city. A questionnaire based survey at ten selected locations was carried out in the city. Ambient noise level data were also recorded at each location. It was observed that noise level was above the prescribed limits at all the selected locations. Results of the study demonstrate that vehicular road traffic is the major source of noise pollution which creates annoyance among people. Regression analysis was performed between day night noise level ( ) and percentage of highly annoyed (%HA) population which shows a strong correlation between them.