Baghdad city depended on the private auto in transport and this led to great problems with increasing congestion and traffic problems. Existing public transport suffers from poor accessibility to opportunities which is considered the main existing problem. The local agency decided to construct Baghdad Elevated Train as one of the keys to solve this problem and decrease congestion. This study aims to discuss the changes that the installing of the planned train line could make, by using the Geographical Information System (GIS) to model the transportation networks (sidewalks, public transport network, and the planned elevated train) for two scenarios, first for the current public transport network and second for the long-term situation of the adding of the planned train, furthermore, to find the coverage area for each station and determine the population can be served for each station depending on the census of the zones for the year 2020. The modeled network databases were used to create the closest facility between the centroid of the 43 zones and the selected facilities (Commercial, Educational, Governmental, and Hospitals). The results revealed that the additional service of the train reduced the travel time between Al-Sadr City to four destinations selected for the mentioned facilities by the following percentages (62%, 40%, 46%, and 65%) respectively. Moreover, the population coverage stated that stations 8, 9, and 10 are the most populated.
Baghdad elevated train is one of the projects that has been suggested to improve accessibility in the city. This paper is dedicated to state the impacts of the planned train line on the accessibility in the selected study area, where the train is meant to be built in to connect the major cities in the capital (Al-Karkh and Al-Risafa). The Geographical Information System (GIS) has been used to build the existing networks (highway, public transport, and the train), to analyze them by the Network analyst tool, and to create an O-D matrix between the selected districts and a direct connection between two locations. The accessibility changes have been measured by measuring the travel time difference, checking the connection between the zones, and the direct connection between six origins in Al-Risafa for different districts to one destination in Al-Karkh before and after adding the elevated train. The results showed that the train could make a remarkable change to the accessibility in the area by reducing the travel time and make a direct connection between the mentioned districts.
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