A time-dependent freight tour synthesis model : an integrative freight demand model

Sánchez Díaz, Iván Darío
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Holguín-Veras, José
Ban, Xuegang
Wang, Qian
Wang, Xiaokun (Cara)
Mitchell, John E.
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Transportation engineering
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Urban transportation systems are basic components of cities' social, economic and physical structure. The design and planning of these systems have been traditionally aimed at improving mobility, modifying growth patterns and enhancing economic development; though in more recent years they have been redirected to also serve other national and community objectives (e.g., social equity, sustainability). To make this possible, urban planners count on a number of tools to anticipate the consequences of alternative actions. In particular, transportation demand models play an important role in support planning by providing a simplified representation of a real world problem. In the case of freight, the complexity of interacting decision makers, the multiple dimensions to measure freight flows, the lack of appropriate knowledge, and the availability of suitable data, represent a threat for applying the classical modeling approaches (i.e., 4 steps model). These issues within freight transportation systems have unveiled the need for new freight urban demand models.
May 2014
School of Engineering
Dept. of Civil and Environmental Engineering
Rensselaer Polytechnic Institute, Troy, NY
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