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The New York Best Practice Mode (BPM) for regional travel demand forecasting in the Metropolitan area is a micro-simulation model. The BPM model generates forecasts that are discrete choice for individuals. Hie study area of the BPM model covers 3S86 Transportation Analysis Zones (TAZ) within 28 counties from tri-state region of New York, New Jersey and Connecticut. The regional highway and transit network are built by using Trans CAD Geographical Information System (GIS). The BPM model is based on detail information of social-economic category. It involves 10 aggregated travel modes and 6 journey purposes. It is the most sophisticated model for the travel demand forecasting.Several applications such as "Southern Brooklyn Transportation Investment Study", "Bronx Arterial Needs Study" and "Goethals Bridge Modernization DEIS" etc., show that the BPM is a useful tool to understand travel decision, predict travel demand and evaluate the effectiveness of proposed transportation alternatives for die metropolitan area.