Working paper

Manuscript available upon request. * indicates papers led by students. 

Emerging mobility services and technology 

1. *Makino, K., Compostella, J., Kothawala, A., Lee, Y., & Circella, G., (2023). “How Should I Get a Ride to the Airport?”: Ground Access to Northern California Airports. TRBAM-24-05933. Submitted for presentation at the Transportation Research Board 103rd Annual Meeting. 

2. *Jena, A., Kothawala, A., Ozbilen, B., Wang, K., Lee, Y., Saridakis, C., Wadud, Z., Yang, Y., Grant-Muller, S., Castellanos, S., Circella, G. (2023). Unraveling E-Scooter Rider Types in the United States: A Latent Class Cluster Analysis. TRBAM-24-05146. Submitted for presentation at the Transportation Research Board 103rd Annual Meeting. 

3. *Giller, J., Bunch, D., Lee, Y., Compostella, J., Soza-Parra, J., & Circella, G. (2022). Investigating the Determinants of Consumer Preferences for Automated Versus Human Drivers in Future Ridehailing Services in California. TRBAM-23-04882. Submitted for presentation at the Transportation Research Board 102nd Annual Meeting. 

4. *Chen, Y.-H., Lee, Y., Circella, G., Mokhtarian, P.L., & Thigpen, C. (2021). The how and why of shared e-scooter substitution patterns. TRBAM-22-03789. Submitted for presentation at the Transportation Research Board 101st Annual Meeting. 

5. Lee, Y., Circella, G., & Mokhtarian, P. L. (2019). How Do Ridehailing Users and Comparable Non-Users Differ in Travel Behaviors? Insights from the 2017 National Household Travel Survey. Presented at the Associate Collegiate of Planning Schools 2019 Annual Meeting. 

6. Lee, Y., & Alemi, F. (2019). Controlling for Selection and Simultaneity Biases in the Relationships between Ridehailing Use and Vehicle Ownership in the 2017 NHTS. TRBAM-20-02708. Presented at the Transportation Research Board 99th Annual Meeting. 

Covid-19 pandemic 

1. *Iogansen, X., Lee, Y., Malik, J. K., Johnson, N., & Circella, G. (2022). Investigating the Factors Affecting Changes in Household Vehicles during the COVID-19 Pandemic. TRBAM-23-04760. Submitted for presentation at the Transportation Research Board 102nd Annual Meeting. 

2. *Makino, K., Malik, J., Circella, G., Lee, Y., Asmussen, K., & Bhat, C. (2020). The Impact of the COVID-19 Pandemic on Long-distance Travel: Reported Changes and Expectations for Future Travel in 15 U.S. Regions. TRBAM-21-04361. Submitted for presentation at the Transportation Research Board 100th Annual Meeting. 

Other topics 

1. *Makino, K., Lee, Y., Iogansen, X., Malik, J. K., & Circella, G. (2022). Assessment of Differences in Individual Attitudes and Impacts of the COVID-19 Pandemic on Remote-work Adoption among Respondents from Online Opinion Panels and Other Recruitment Methods. TRBAM-23-05072. Submitted for presentation at the Transportation Research Board 102nd Annual Meeting.