Gis Based Road Network Analysis In The Sub City Of Arada

This study is intended to use GIS as a tool in analyzing, integratingrnand displaying information. The over all activities of the work werernconcentrated around sub area selected as the study site in the Aradarnsub city (kifle ketema) of the main capital, Addis Ababa. Torndemonstrate the use of road network analysis, this project focused onrndetermining the best route between two destinations, the closestrnfacility from a given incident, and a service area for a given facility.rnGenerally for the purposes of this project, distance is taken asrnimpedance in order to find the best route and the closest facility andrnthat of travel time is taken as impedance in order to find the servicernarea. A Geographical Information System (GIS) utility, which isrnnetwork analyst, determined the best route, the closest facility and thernservice area. For this purpose database is created using SQL-SERVER.rnData used by this project included public data and data generated usingrna Global Positioning System (GPS). Once analysis was completed, arnroute representing the (the best route) shortest travel distance, thernroute representing the closest facility and the polygons representingrnthe service area were developed.

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