The transport modeling task is an essential part of the strategic-transport planning process and one that has been greatly assisted by developments in technology over time. During the initial stages of model development, an appropriate scale will be adopted and this selection will largely depend on available resources and the type of analysis desired. Multi modal transport modeling can be achieved on several levels of spatial and temporal scale. A hierarchy provided by Young, Taylor and Gipps details the range of model operation, from the regional macroscopic level to the most detailed microscopic level. Macroscopic models represent travel movements with aggregate vehicle flows over a given time period. The microsimulation modeling approach allows for a representation of detailed transport networks capturing individual vehicle movements and driver interactions as well as the operation of traffic intersections and multimodal interchanges. Today, there is a range of macro-model and microsimulation software packages available to assist transportation planners in their strategic decision-making processes.
Benefits of Linking Macro-Demand Forecasting Models and Microsimulation Models Nicholas Holyoak; Branko Stazic Institute of Transportatio
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