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BREAKOUT SESSION The Secret Is in the Segue Transitioning to a New Model Framework Kuo-Ann Chiao, New York Metropolitan Transportation Council Ali Mohseni, New York Metropolitan Transportation Council Sangeeta Bhowmick, New York Metropolitan Transportation Council Erik Sabina, Denver Regional Council of Governments Thomas Rossi, Cambridge Systematics, Inc. Rebekah Anderson, Ohio Department of Transportation Zhuojun Jiang, Mid-Ohio Regional Planning Commission Chandra Parasa, Mid-Ohio Regional Planning Commission Bruce Griesenbeck, Sacramento Area Council of Governments LESSONS LEARNED FROM THE IMPLEMENTATION Data collection activities supporting the develop- OF NEW YORK ACTIVITY-BASED ment of the new model included a household travel sur- TRAVEL MODELS vey and obtaining socioeconomic and demographic data. A 24-hour place-based diary was completed for 11,264 Kuo-Ann Chiao, Ali Mohseni, and households. The diaries were completed by all of the Sangeeta Bhowmick household members. The diary included information on the places visited, the activities at each place, the modes Kuo-Ann Chiao and Ali Mohseni described the develop- of travel, and the time of travel. ment and use of the New York activity-based travel Socioeconomic and demographic data collection demand model. They discussed the study area, data col- efforts focused on land use, population, households, lection activities, the highway and transit networks, the employment, and labor force. Forecasts for each of these general structure of the model, and applications of the items were generated for 5-year periods. model. Volume 2 includes a paper on the topic.1 The fol- Other data collection efforts included traffic counts lowing points were covered in their presentation. for 2,300 screenline locations, origindestination sur- veys, and travel time observations. An origindestination The New York Best Practice Model (NYBPM) survey was conducted at 12 cordon stations in New York study area includes 28 counties in the three states of New State. A total of 50,000 questionnaires were distributed York, New Jersey, and Connecticut. The area encom- and 6,000 were returned. Travel time data were collected passes 9,738 square miles. The population of the area is between 5:00 a.m. and 9:00 p.m. on 4,500 roadway seg- approximately 20 million and there are 8 million house- ments, with 40,000 travel time observations obtained. holds. There are 3,586 transportation analysis zones. The The household travel survey was conducted in model analyzes travel patterns by four time periods, eight 1997 and 1998, as a joint project between the New York trip purposes, 10 motorized modes, and four urban types. Metropolitan Transportation Council (NYMTC) and the New Jersey Transportation Planning Agency. The location-based travel survey included 11,000 house- 1 See Chiao, K.-A., A. Mohseni, and S. Bhowmick. Lessons Learned holds, 28,000 people, and 118,000 trips. from the Implementation of New York Activity-Based Travel Models. In Conference Proceedings 42: Innovations in Travel Demand The three-state area includes a large highway net- Modeling, Volume 2: Papers, Transportation Research Board of the work. There are 52,794 links in the 28 counties. These National Academies, Washington, D.C., 2008, pp. 173176. links include 4,950 high-level facilities, 26,385 arterials, 53