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8 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 1 of the available data does not have the geographic and is renewed interest in energy conservation and telecom- socio-demographic detail needed today. Most areas have muting with the recent increase in the price of gasoline. limited funding for new data collection. In addition, non- Further, SAFETEA-LU also contains requirements for response rates to all types of surveys are increasing. the use of visualization techniques in the transportation There are numerous concerns with the travel data tra- planning process, especially public participation ditionally collected at the national level. There is cur- activities. rently no funding for the American Travel Survey. We Even with all these concerns, MPOs still need demand are still trying to find funding for the National Personal models that are internally consistent and that are able to Transportation Survey, but the situation does not look function at various geographic scales. The results must good. The American Community Survey, which is the be usable at various levels of aggregation. Finally, mod- replacement for the Decennial Census long form, may els must be sensitive to different policy scenarios. provide opportunities to obtain some travel-related data. In closing, I offer a few ideas on criteria for success as The Census Bureau has become very concerned over data we look at new models and analysis techniques. First, it confidentiality, however, and it does not currently appear is important to ask if the new procedures address current that we will be able to create urban area trip tables out issues and options. Second, do they produce credible of this data set. Funding was found for the Commodity results? Third, do they have a sound theoretical founda- Flow Survey, so we should have access to updated data tion? Fourth, are they superior to current procedures? on goods movement. There are similar problems with Fifth, do they make sufficient changes to affect out- surveys and data collection at the state and local levels. comes? Sixth, are they in a user-friendly format? Finally, Available data are frequently outdated and resources for can they be incorporated into travel forecasting practice new surveys are limited. in an evolutionary fashion? Additional data will also be needed to analyze other new emphasis areas. These emphasis areas include safety-conscious planning and goods movement. There Chandra Bhat moderated this session.