NOISE LEVEL STUDY BASED ON TRAFFIC CHARACTERISTICS, PHYSICAL AND ENVIRONMENTAL ASPECTS OF ROAD

This study aims to construct an interaction model among traffic characteristics, physics of road, and road environment, and the effect implications on noise level. The study was conducted on arterial and collector roads becoming the main line of traffic movement in Kendari city. Analytical approach used descriptive method and simultaneous equation system based on Partial Least Square (PLS). The results show that the traffic noise level has exceeded the threshold in accordance with designation of settlement environment as well as trade and services, in which the average noise level at the side of arterial and collector roads is 75.5 dB and 73.4 dB. Simultaneously, traffic characteristics, physical and environmental aspects of road have effects on noise with the determination coefficient (R?) 0.628. Traffic and road environment factors are significant direct effect on noise level. While the physical of road does not have significant direct effect. In this case, physical of road is more as a intervention factor triggering noisy through its effect on changes in traffic characteristics.