[The 13th UTokyoIPL-CUTI Special Seminar]
1) Time and day: 11:00am-12:30am (Japan Standard Time), July 18th (Thursday), 2024
2) Place: Seminar room of International Project Lab, Department of Civil Engineering, UTokyo (3rd floor of Engineering Building No.11, Hongo Campus, UTokyo) and Zoom meeting room
3) Presentation
– Presenter: Prof. Marlon Boarnet (University of Southern California)
– Title: Monetary cost, time cost, and mode choice: Transit and ridehailing in California
– Abstract: Recent studies explore how ridehailing competes with transit, documenting drops in transit ridership when ridehailing became available. However, few examine the extent to which ridehailing substitutes for other modes, such as walking or private automobiles. Using travel diary survey data and travel times and costs from the San Francisco Bay Area, we employ a mixed logit model to analyze how trip characteristics such as travel time and travel cost influence traveler’s mode choices. The results show that if ridehailing costs increase by 10%, ridehailing trips decrease by 6.97%. About half of the lost riders would switch to driving, and 20% to transit. Therefore, driving, rather than transit, is the closest substitute for ridehailing. Furthermore, 10% reductions in transit time and transit cost are associated with a 24.63% and 5.03% increase in transit trips, respectively, suggesting that reducing travel time is more effective in increasing transit ridership than lowering fares.
4) Short bio of presenter
Marlon Boarnet is Professor in the Sol Price School of Public Policy at the University of Southern California and Director of the METRANS Transportation Consortium. METRANS is the center for transportation research at USC, and a partnership of the Price School of Public Policy, the Viterbi School of Engineering, and California State University – Long Beach. METRANS spans over 15 academic departments and programs at USC, with links to over a dozen universities in the U.S. and abroad. Prior to directing METRANS, Boarnet was the founding chair of the Department of Urban Planning and Spatial Analysis at USC (2016-2022) and he served as Vice Dean for Academic Affairs in USC’s Price School from 2014 through 2015. Boarnet was chair of the Department of Planning, Policy, and Design at UC-Irvine from 2003 through 2006. Boarnet served as president of the Association of Collegiate Schools of Planning, the scholarly association of university planning departments and faculty members in the United States and Canada, from 2019-2021. Boarnet’s research focuses on land use and transportation, links between land use and travel behavior and associated implications for public health and greenhouse gas emissions, urban growth patterns, and the economic impacts of transportation. He is a fellow of both the Weimer School of the Homer Hoyt Institute for Real Estate and the Regional Science Association International. Boarnet has advised California state agencies on greenhouse gas emission reduction in the transport sector, the World Bank on transportation access as a poverty reduction tool, and numerous other public and private entities. He has been principal investigator on over four million dollars of research supported by agencies that include the U.S. and California Departments of Transportation, the U.S. Environmental Protection Agency, the California Air Resources Board, and the Robert Wood Johnson Foundation. Boarnet’s academic web page is: https://priceschool.usc.edu/people/marlon-boarnet/.
5) Charge: free
6) Language: English only