engleski

Modelling and evaluation of main pollutants generated by intersections in the city of Zagreb

The objective of this paper is to analyze the impact of road traffic on air pollution in the city of Zagreb. Especially big problems are intersections because they were not built for the large amount of traffic as there's today and traffic lights control is not yet traffic oriented. The application of the Traffic ware- Synchro 4 Software, Traffic Signal Coordination Software was used to make the computer image of current condition of traffic routes and intersections and traffic flows. On analyzed intersections under the title of BASIC SITUATION and IMPROVED SITUTATION, the data about emission of harmful substances, about the fuel consumption, fuel consumption efficiency, lost time necessary to pass an intersection, speed and volume of traffic flows, etc. have changed. In the computer processing the software uses date and calculation methods by the US organization “Federal Highway Administration Research” and the data processing under title “CORISM”. Results obtained by computer simulation as BASIC and IMPROVED situation indicated significant reduction in lower emissions road traffic by using telematic systems as well as improved throughput capacity of traffic flows even without their reconstruction.

air pollution ; pollutants measurements ; intersection ; transport simulation ; city Zagreb ; modelling pollutions

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