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ISPRS Int. J. Geo-Inf. 2015, 4(2), 883-899; doi:10.3390/ijgi4020883

Using Multi-Attribute Decision Factors for a Modified All-or-Nothing Traffic Assignment

1
Upper Great Plains Transportation Institute, North Dakota State University, Fargo, ND 58105, USA
2
Department of Geosciences, North Dakota State University, Fargo, ND 58105, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Mark Zuidgeest and Wolfgang Kainz
Received: 23 October 2014 / Revised: 2 May 2015 / Accepted: 12 May 2015 / Published: 21 May 2015
(This article belongs to the Special Issue GIS for Sustainable Urban Transport)
View Full-Text   |   Download PDF [18310 KB, uploaded 21 May 2015]   |  

Abstract

To elucidate a realistic traffic assignment scenario, a multi-criterion decision system is essential. A traffic assignment model designed to simulate real-life situation may therefore utilize absolute and/or relative impedance. Ideally, the decision-making process should identify a set of traffic impedances (factors working against the smooth flow of traffic) along with pertinent parameters in order for the decision system to select the most optimal or the least-impeded route. In this study, we developed geospatial algorithms that consider multiple impedances. The impedances utilized in this study included, traffic patterns, capacity and congestion. The attributes of the decision-making process also prioritize multi-traffic scenarios by adopting first-in-first-out prioritization method. We also further subdivided classical impedance into either relative impedance or absolute impedance. The main advantage of this innovative multi-attribute, impedance-based trip assignment model is that it can be implemented in a manner of algebraic approach to utilize shortest path algorithm embedded in a Geographic Information Systems (GIS)—Graphical User Interface tool. Thus, the GIS package can therefore handle the multi-attribute impedance effectively. Furthermore, the method utilized in this paper displays flexibility and better adaptation to a multi-modal transportation system. Transportation, logistics, and random events, such as terrorism, can be easily analyzed with pertinent impedance. View Full-Text
Keywords: impedance; traffic assignment; disruption; multi-attribute; route choice impedance; traffic assignment; disruption; multi-attribute; route choice
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, E.; Oduor, P.G. Using Multi-Attribute Decision Factors for a Modified All-or-Nothing Traffic Assignment. ISPRS Int. J. Geo-Inf. 2015, 4, 883-899.

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