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SURVEY METHODS .............................................................................................................................33 Directions for Coordinated Improvement of Travel Surveys and Models................................................33 Eric Petersen and Peter Vovsha Using Global Positioning System Data to Inform Travel Survey Methods ..............................................34 Stacey Bricka and Chandra Bhat Dynamic Activity-Travel Diary Data Collection Using a Global Positioning SystemEnabled Personal Digital Assistant........................................................................................................................36 Bruno Kochan, Tom Bellemans, Davy Janssens, and Geert Wets ASSIGNMENT ADVANCES ..................................................................................................................38 A Dynamic Traffic Assignment Model Breakdown .................................................................................38 James Hicks Urban Arterial SpeedFlow Equations for Travel Demand Models.........................................................39 Richard Dowling and Alexander Skabardonis A Comparison of Static and Dynamic Traffic Assignment Under Tolls in the DallasFort Worth Region ............................................................................................................40 Stephen Boyles, Satish Ukkusuri, S. Travis Waller, and Kara Kockelman EDUCATION AND OUTREACH .........................................................................................................42 Lifelong Education as a Necessary Foundation for Success in Travel Modeling......................................42 Robert Donnelly Traffic Forecasting in a Visioning Workshop Setting...............................................................................43 Donald Hubbard EMERGING MODELING CONSIDERATIONS ...................................................................................45 Companionship for Leisure Activities: An Empirical Analysis Using the American Time Use Survey .....45 Sivaramakrishnan Srinivasan and Chandra Bhat An Innovative Methodological Framework to Analyze the Impact of Built Environment Characteristics on Activity-Travel Choices ..............................................................................................46 Jessica Guo and Chandra Bhat Innovative Methods for Pricing Studies...................................................................................................48 Arun Kuppam, Maren Outwater, and Rob Hranac VALIDATION.........................................................................................................................................50 Proposed Validation and Sensitivity Testing of Denver Region Activity-Based Models ...........................50 David Kurth, Suzanne Childress, Erik Sabina, and Thomas Rossi Validation and Assessment of Activity-Based Travel Demand Modeling Systems ...................................51 Ram Pendyala and Chandra Bhat Modeling of Peak-Hour Spreading with a Disaggregate Tour-Based Model............................................52 Rebekah Anderson and Robert Donnelly THE SECRET IS IN THE SEGUE: TRANSITIONING TO A NEW MODEL FRAMEWORK ............53 Lessons Learned from the Implementation of New York Activity-Based Travel Models .........................53 Kuo-Ann Chiao, Ali Mohseni, and Sangeeta Bhowmick