Thursday, September 24 at 12:00pmVirtual Event
This webinar is sponsored by the Pacific Southwest Region University Transportation Center (UTC) and the METRANS Transportation Center.
Sequence analysis is used in this presentation to measure fragmentation in activity participation and travel. Fragmentation here is defined as the sequencing of many short and long activities and trips that happen in a personal daily schedule. Studying sequences (each activity at a place and each trip) is preferable over other techniques of studying activity-travel behavior because sequences include the entire trajectory of a person’s activity while jointly considering the number of activities and trips, their ordering, and their durations.
In this webinar, we will reveal at least nine distinct daily patterns with different sequencing of activities and travel as well as travel time ratios and modal split. These patterns include typical commute to work or school, staying at home all day, or traveling extensively. As expected, the day of the week plays a major role in the type of daily activity-travel patterns. Travel time ratios are also examined for each daily pattern and we find differences in the role played within each pattern between the central city, suburban, exurban, and rural dwellers. In a comparison of couples, we find systematically higher fragmentation in households that have children and their parents are employed with women showing higher fragmentation in their activity-travel patterns.
There is no fee to attend this webinar.
Konstadinos (Kostas) Goulias
This webinar will be given by Konstadinos (Kostas) Goulias, a Professor of Transportation at the UC Santa Barbara Department of Geography since 2004. His research is on Large Scale Transportation Systems Modeling and Simulation, Travel Behavior Dynamics, Sustainable Transportation, Economic Geography Travel Survey Methods, Geocomputation, and Geoinformation. He chairs the International Association for Travel Behaviour Research. He is also the co-Editor-in-Chief of the journal Transportation Letters published by Traylor & Francis. He has a Laurea (six years and a thesis) in Engineering from the University of Calabria, Italy, MS in Engineering from the University of Michigan, Ann Arbor, and a Ph.D. in Engineering from the University of California, Davis.
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