||Model Validation and Reasonableness Checking Manual.
||Barton-Aschman Associates, Inc., Evanston, IL. ;Cambridge Systematics, Inc., Washington, DC. ;Environmental Protection Agency, Washington, DC.;Department of Transportation, Washington, DC. Travel Model Improvement Program.
Travel demand ;
Traffic generation ;
Trip distribution models ;
Modal choice ;
||Some EPA libraries have a fiche copy filed under the call number shown.
||A major shortcoming of many travel demand models is the lack of attention and effort placed on the validation phase of model development. Validation involves testing the model's predictive capabilities. Travel models need to be able to replicate observed conditions within reason before being used to produce future-year forecasts. As metropolitan areas continue to refine and improve the travel demand forecasting process, the credibility of the process with decision makers will depend largely on the ability of analysts to properly validate procedures and models used.
||Prepared in cooperation with Cambridge Systematics, Inc., Washington, DC. and Environmental Protection Agency, Washington, DC. Sponsored by Department of Transportation, Washington, DC. Travel Model Improvement Program.
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||PC A07/MF A02