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Transport Planning Models: Passenger and Freight Transport
Transportation is a fundamental component of society today, capable of yielding massive economic and social benefits but also equally capable of producing extremely costly negative externalities. Proper policies need to be put in place to minimize the externalities while taking full advantage of the benefits. Proper policies can only be devised through the use of appropriate and well-thought out transportation models.
Freight and passenger transport systems usually move in separate nodes, which implies that their structures are quite different from each other, and so are the designs of their models (Hofstra University, 2014). The differences are, however, more pronounced at the respective terminals, which often concern different locations and different facilities (Hofstra University, 2014). The rationale behind the operational differences between freight and passenger transportation systems is that whereas "each passenger is an independent decision-making unit, each load of freight must be managed from its origin to its destination" (Hofstra University, 2014).
Other significant differences between freight and passenger transportation systems that ought...
2), and vi) whereas a passenger transportation network consists of nodes and links only, freight supply network would often consist of terminal nodes (warehouses, shunting yards, logistic centers, freight hubs), "with specific characteristics concerning capacity and transfer delay time" (Friedrich et al., 2003, p. 2).
As has been mentioned elsewhere in this text, transportation models are used to develop and analyze policy…
References
CTRE. (2007). Part II: Historical Overview of Transportation Planning Model Development. Iowa State University. Retrieved 8 April 2014 from http://www.ctre.iastate.edu/research/multimod/phase1/ii.htm
Friedrich, M., Haupt, T. & Nokel, K. (2003). Freight Modeling: Data Issues, Survey Methods, Demand and Network Models. Paper Presented at the 10th International Conference on Travel Behavior Research, Lucerne, August 2003. Retrieved 8 April 2014 from http://www.ivt.ethz.ch/news/archive/20030810_IATBR/friedrich.pdf
Hofstra University. (2014). Operational Differences between Passenger and Freight Transportation. Hofstra University. Retrieved 8 April 2013 from http://people.hofstra.edu/geotrans/eng/ch1en/conc1en/table_operationaldifferences.html
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