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176 I N N O VAT I O N S I N T R AV E L D E M A N D M O D E L I N G , V O L U M E 2 · New graphic user interfaces; will address some of the known issues and bring the · Adapt to multiple hardware environments; NYBPM to the next level. · Multithreading and distributed processing; and · Public, web access to model outputs. PROJECT SIGNIFICANCE NYMTC has also lunched a series of data collections and surveys that will be conducted in the next 3 years. This project is significant for a number of reasons. First, These efforts will include data to update or enhance it is the first activity-based model that has been used in existing information (regional household travel survey, air quality conformity analysis and many major invest- external survey, regional speed survey, screen line counts, ment studies in the United States. The experience of and regional transit on-board surveys), and new data NYBPM proves that the concept of activity-based model that will improve existing NYBPM deficiencies (regional does work and works very well in the most complex establishment survey, airport survey, taxi survey, and region in the country. Second, throughout the years of regional bridge origindestination survey). Several of the experience in various stages of the development and data collections will cover 28 counties in the New applications, NYMTC staff has worked with stakehold- YorkNew JerseyConnecticut tristate region. This new ers and gained a better understanding of the modeling wave of data collection will provide an up-to-date under- system and its improvement needs. The lessons learned standing of travel patterns and behaviors in the region. will provide other MPOs with valuable insights into They will also be used to recalibrate the NYBPM that future development of activity-based models.