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Evaluating the parameters affecting segments of a road network
Abolghasem Sadeghi Niaraki*
MSc.of GIS Engineer,
Dept. of Geomatics Eng. K.N. Toosi Univ. of Technology (Study)
Email: a-sadeghi@tto-ir.org
Masood Varshosaz, Assistant Prof.
Department of Geomantic Engineering, Civil Engineering Faculty
K.N. Toosi University of Technology
Vali_Asr St., Mirdamad cross, Tehran, Iran 19967-15433
Tel :( +98 21)877 9475, Fax :( +98 21) 877 9476
Email: varshosazm@yahoo.com
Hojat Behrooz*
IT Manager,
Email: hojat@tto-ir.org
*Transportation & Terminals Organization (T.T.O).
6th floor,No.19, Dameshgh St., Vali_Asr Sq., Tehran, Iran 14155-3773
Tel: (+98 21) 880 4363, Fax: (+98 21) 889 8394
Web: www.tto-ir.org
Abstract
Using distance or time alone is not usually sufficient to find most suitable routs in a road network. Thus, a number of additional factors which maybe somehow compulsory, need to be taken into account. Examples of these are: climate, traffic, road width and slope. In addition to these, a user may wish to take into account other factors like closeness to the sea, tourist and/or religious canters, hospitals, and fuel stations in his decision on which road to choose to get to his/her destination.
This paper discusses a number of quantitative and qualitative parameters, formulated in a cost model, which can all affect the value of road segments in order to define a the best path in a road network. In addition, techniques of how to implement the presented model in a Geographic Information System (GIS) are
also studied. Preliminary results show that utilizing parameters presented in this article, can lead to more suitable paths in a road network analysis.
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