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Travel Demand Modeling Using Transcad

A Travel Demand Model is a transportation planning tool. The basic theory is that each trip has a reason, a production, and an attraction. Equations have been formulated from careful studies and published in national manuals on how many trips the average household generates, how many trips retail businesses attract based on number of employees, etc. These equations are used in the model. This presentation briefly reviews the theory and uses of travel demand models and then focuses on TransCAD, specifically showing its functionality in importing, manipulating and displaying model inputs. We will also look at TransCAD's networking functions, including shortest path