Like in most engineering disciplines, so also in transportation engineering, one often faces situations where the behaviour of the system is stochastic. Given the wide range of situations that comes under transportation engineering, the use of probability theory ranges from simple representation of variability through density functions to complex birth and death processes observed at intersection approaches, parking lots, toll booths, etc.

    Unlike in most engineering disciplines, however, one of the basic elements of transportation systems is the human being. Sometimes, they are present as drivers controlling the units that make up a traffic stream, while at other times, they act as users who create demand for a transportation facility (like roads and airports). The uncertainties that human involvement brings to the transport systems often cannot be represented using the theory of probability. One has to look at other means of set descriptions and measures like possibility.

    This note outlines the types of uncertainties that arise in the various systems that make up the field of transportation engineering and analysis and suggests appropriate paradigms to deal with them.


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    Title :

    Uncertainties in Transportation Analysis




    Publication date :

    2012-12-06


    Size :

    6 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English