GIS APPLICATION TO EVALUATE TRANSPORTATIONS NETWORK IN NASIRIYAH CITY

Abstract

Transportation is an essential element for the development of countries economically, socially, and culturally, where the progress in countries is measured through the progress in transportation systems and urban road networks. In Iraq, the urban roads network in Nasiriyah city suffers strongly from problems, such as low speed, long travel time, and a drop in the level of service. Al-Nasiriyah is one of the highly congested urban centers within Dhi-Qar province. Network in the city center suffers congestion, The selected network suffers congestion, particularly during morning and evening peak hours simply because of the existence of vitality centers (educational, commercial, and government) that this network uses In the present study was to assess the flow of the current traffic network patterns through several programs such as the Trans Cad, GPS, GIS have been collecting different types of data, such as (Traffic volumes of intersections and free-flow speed) using a device (MSSS), furthermore field surveys for the work of largescale map road network The results of the evaluation showed that most of the roads in the city have a level of service type (B), as the network showed service-level type (F) at which the vehicle relative to the road capacity (v/c) is greater than the one in the city center, such as (Habboubi Street, Nasir bridge, Sumer Street, etc.) and this illustrated in analysis map. On the basis of that proposed to add new roads to change the path of external...

Keywords

• GIS
• O-D matrix
• level of service
• traffic volume
• purpose of trip
• peak hour