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NTL Classification:NTL-PLANNING AND POLICY-PLANNING AND POLICY;NTL-PLANNING AND POLICY-Travel Demand;
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Abstract:Transportation planning largely relies on travel demand forecasting, which estimates the number and type of vehicles that will use a roadway at some point in the future. Forecasting estimates are made by computer models that use a wide variety of data inputs. For a particular roadway, local, state, and federal agencies may have unique forecasting models that address their interests. While these models often have similar goals, they often differ in descriptions of road segments and data structures. This creates difficulties sharing data, redundancies in modeling activities, and duplications in data collection. Most importantly, metropolitan planning organizations, departments of transportation, transit agencies, and the like cannot coordinate analyses and planning on the same physical roadway network.
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