Analysis of Longitudinal Data from the Puget Sound Transportation Panel: Task F: Cross Section and Dynamic Analysis of Activity and Travel Patterns in PSTP
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1996-06-01
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NTL Classification:NTL-PLANNING AND POLICY-Surveys
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Abstract:This report presents analyses of activity and travel patterns that explicity account for transportation level of service. The analyses are conducted using composite accessibility measures, land-use type, and density around the residences and workplaces of survey participants in the Seattle region. Using Puget Sound Transportation Panel (PSTP) data and cluster analysis, individuals' activities and travel patterns are first classified into a few relatively homogeneous behavioral groups. Then, cross classification is used to study the relationship between activities and travel patterns from one day to another and from one year to the next. Study results indicate that although there is a strong link between activity and travel within a day, the link becomes weaker as the time frame increases. To study the relationship between individuals' characteristics and their activity and travel pattern choices, the derived accessibility measures of individuals' residences and workplaces are included in four-level multilevel pattern selection models that include temporal, spatial, household, and person effects. Contextual analysis is conducted by separating employed from unemployed persons. Analysis results provide evidence that level of service and land use are strong determinants of activity participation and trip making, however, their effect depends on employment status.
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