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Article

IMPACT OF ROAD TRAFFIC ON AIR EMISSIONS: CASE STUDY KAFR EL-SHEIKH CITY, EGYPT

DOI: 10.7708/ijtte.2017.7(3).09


7 / 3 / 391-405 Pages

Author(s)

Mohamed Ragab - Department of Civil Engineering, Higher Institute of Engineering and Technology in Kafr El-Sheikh, Egypt -

Ibrahim H. Hashim - Department of Civil Engineering, Faculty of Engineering, Menoufia University, Egypt -

Gaber M. Asar - Department of Mechanical Power Engineering, Faculty of Engineering, Menoufia University, Egypt -


Abstract

Road traffic is one of the major sources of air emissions. The latest studies have indicated that, some traffic management measures used to improve the traffic operations may increase traffic emissions. Therefore, the objective of this paper is to evaluate the effect of road traffic on air emissions. In order to evaluate the traffic management measures, it is necessary to develop a microscopic traffic simulation model. Kafr El-Sheikh City, Egypt is used to build a traffic simulation network. The micro-simulation software VISSIM was used to model and analyze the selected network. The model was calibrated and validated using the collected data. The study investigated three scenarios using the developed model; Scenario 0 (original scenario), Scenario 1 (improvement of traffic flow) and Scenario 2 (promotion of public transportation). The evaluation was conducted based on travel time, fuel consumption and air emissions including Carbon Monoxide (CO), Nitrogen Oxides (NOX) and Hydrocarbons (HC). The comparison of simulation results indicated that, the original scenario (Scenario 0) exhibited higher air emissions than other scenarios. Also, Scenario 1 exhibited lower travel time than other scenarios. The paper concluded that, the improvement of traffic flow in the study network can reduce air emissions as well as travel time whereas; the promotion of public transportation in the study network can reduce air emissions but cannot reduce travel time.


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