COMPUTER SIMULATION: TRAFFIC-RELATED AIR POLLUTION AND THE TRAFFIC SIGNAL CYCLE TIME OPTIMIZATION

Emissions from motor vehicles, one of the most important air pollution sources in city, is emerging as a growing problem large-scale cities. The amounts emissions are affected by number vehicles traffic, vehicle technology, geometric and traffic conditions highways intersections, environmental factors. Traffic flow mostly interrupted at Intersections local especially city centers. these points, where behavior changed stop go, higher compared to uninterrupted flows. In this study, current state 120 Intersection were determined SIDRA INTERSECTION software. Then, new same software after improvement signalization. As result fuel consumption pollutant calculated before improvement. observations intersection, was 1718.2, l/hour, CO2, CO, HC, NOX 40464.7, 3.821, 0.482, 5.060 kg/hour respectively for morning. After that 1492.1, 3522, 3.116, 0.406, 3.246 evening. It has been there significant differences between Improvements or signalization intersections may decrease improve quality