Abstract
The railways network is one of the huge infrastructure projects. Therefore, dealing with these projects such as analyzing and developing should be done using appropriate tools, i.e. GIS tools. Because, traditional methods will consume resources, time, money and the results maybe not accurate. In this research, the train stations in all of Iraq’s provinces were studied and analyzed using network analysis, which is one of the most powerful techniques within GIS. A free trial copy of ArcGIS®10.2 software was used in this research in order to achieve the aim of this study. The analysis of current train stations has been done depending on the road network, because people used roads to reach those train stations. The data layers for this study were collected and prepared to meet the requirements of network analyses within GIS. In this study, the current train stations in Iraq were analyzed and studied depending on accessibility value for those stations. Also, to know the numbers of people who can reach those stations within a walking time of 20 minutes. So, this study aims to analyze the current train stations according to multiple criteria by using network analysis in order to find the serviced areas around those stations. Results will be presented as digital maps layers with their attribute tables that show the beneficiaries from those train stations and serviced areas around those stations depending on specific criteria, with a view to determine the size of this problem and to support the decision makers in case of locating new train stations within the best locations for it.
Highlights
IntroductionA railway network is a linear network because it is represented by lines (railroads), which are called segments in GIS
A railway network is a linear network because it is represented by lines, which are called segments in GIS
The research question is: What are the results if the train station distribution depends on network analysis and some criteria are applied in order to serve more people within the service area of each station? This research aims to analyze the current train stations in Iraq to determine the size of the problem by using network analysis technique within GIS to measure the access time from population density points to train stations (3).In addition, to find the accessibility time for each station depending on the existing road network
Summary
A railway network is a linear network because it is represented by lines (railroads), which are called segments in GIS. The meeting point of two line segments is called a vertex. The railway network is considered as a one-dimensional network because it consists of a set of interconnected lines and every line consists of a set of vertex sequences (1). The problem statement for this research is the last census, which shows that Iraq has a population of approximately 32 million, so all of these people need transportation. They all need goods and other services, and transportation is required to deliver goods to the people (2)
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