BULLERPROBLEMATIK I BOSTADSOMRÅDE VID NÄRLIGGANDE MOTORVÄG : Södra Källtorp i Västerås

Sammanfattning: Purpose: This degree project has investigated the problems Södra Källtorp has with noise due to the nearby highway E18. The purpose of this work is to investigate whether Södra Källtorp meets the guideline values and also whether the implemented noise protection measures in the neighbourhood have caused a change regarding the noise level. Method: The method for carrying out this degree project consisted of a literature study and a case study. The case study was carried out through own measurements and calculations. Four measuring points were chosen. The first two are located in Södra Källtorp and are covered by the noise protection, while the last two are not covered by any noise protection and are located in Råby. Based on the measurement results, the daily equivalent sound level was calculated based on the annual average daily traffic for each measurement point. In addition, interviews were held in order to get a picture of the noise experience among the residents in the neighbourhood. Results: According to the measurement results, the daily equivalent sound level was 55 dBA and the daily maximum sound level 61 dBA for measuring point M1. For measuring point M2, the daily equivalent sound level was 46 dBA while the daily maximum sound level was 53 dBA. Measuring point U1 had a higher noise level than measuring point M1 and measuring point U2 had a higher noise level than measuring point M2. Conclusions: Conclusions that can be drawn are that the noise protection measures have made a change regarding the noise level in Södra Källtorp and that the noise levels in Södra Källtorp do not exceed the guideline values. However, most noise levels that occur in the neighbourhood are not approved according to WHO. More noise protection measures may need to be taken in the future in order to meet WHO’s recommendations.