Analysis of Air Pollution due to Vehicle Exhaust Emissions on The Road Networks of Beringin Janggut Area

Abstract

Vehicle exhaust emission in transportation activities is one of air pollution causes. The increasing number of motor vehicles, lack of space availability on roads, and road side activities can cause congestion. The purpose of this research was to analyze the road network performance and vehicle exhaust emissions on the road networks of Beringin Janggut area of Palembang through traffic simulation using Vissim software and vehicle exhaust emission calculation using EnViver software, and the results were compared with ambient air measurement results at the research location, as well as providing alternative solutions to existing traffic condition. The outputs of Vissim software on the existing condition showed a long queue on traffic flow from Kolonel Atmo 2 street to the Masjid Lama 2 street with a value of 130.51 m, and there was a long delay on traffic flow from Kolonel Atmo 1 street to Rustam TP Effendi street (Southward) total of 105.37 seconds / vehicle. The EnViver software output showed the highest concentration for carbon dioxide (CO2) pollutant of 181,000 μg / Nm3, the highest concentration for nitrogen oxide (NOx) pollutant of 534 μg / m3, and the highest concentration for Particulate Matter (PM10) pollutant of 36 μg / Nm3. From the EnViver software outputs, the results showed the highest concentration of Particulate Matter air pollutants (PM10) from direct ambient air measurement at the research location had a difference of 79 μg / Nm3. The existing concentrations of air pollutants resulting from EnViver software output and ambient air measurements on the road network of Beringin Janggut area were still below the ambient air quality standard limits set in Government Regulation No. 41/1999 on Air Pollution Control. Alternative 1 with parking rearrangement was better than alternative 2 with the lanes separation between public and private vehicles in improving road network performance and reducing total emission values due to vehicle exhaust emission from existing conditions.