Changing modeling needs over the past few years, spurred by the evolving policy contexts of transportation planning and emerging technologies, have led the planning community to explore tour-based and activity-based modeling paradigms as an alternative to the traditional trip-based modeling paradigm. As a leading travel model practitioner, the Texas Department of Transportation (TxDOT) Transportation Planning and Programming Division sponsored an earlier study to synthesize tour-based modeling approaches in the country and identify potential benefits and costs of transitioning to this emerging modeling paradigm in Texas. Based on the results of that study, the current research effort developed a business case for a tour-based travel demand model system. The business case discusses the justification and need for a tour-based model, and includes a business process model and a logical data model that provide the step-by-step actions and procedures needed to support the design and development of a tour-based travel model. The business case not only justifies the need for tour-based models, but also proactively identifies potential challenges and constraints that may arise in implementation, and provides pathways to address them. It also addresses the need to continue to operate trip-based models in parallel with tour-based where needed or required, and assesses any impacts of tour-based modeling on the Technological Services Division of TxDOT. Although TxDOT has not yet transitioned towards a tour-based modeling approach, the current study can facilitate the models implementation if TxDOT decides to move forward.


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    Title :

    Business Process and Logical Model to Support a Tour-Based Travel Demand


    Contributors:
    J Deng (author) / K Lorenzini (author) / E Kraus (author) / R Paleti (author) / M Castro (author) / C Bhat (author)

    Publication date :

    2014


    Size :

    91 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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