Publication

1. Kim, I., Lee, Y., Mokhtarian, P. L., & Circella, G. (2025).  How Will People Spend Travel Time in Autonomous Vehicles? A Four-Region Study Focusing on Heterogeneous Preferences. Transportation. https://doi.org/10.1007/s11116-025-10627-4 

2. Sohi, M., Loa, P., Ozbilen, B., Iogansen, X., Lee, Y., & Circella, G. (2025). Examining Complex Impacts of E-shopping and Built Environment Factors on Shopping VMT. Transportation Research Part D: Transport and Environment, 139, 104567. https://doi.org/10.1016/j.trd.2024.104567 

3. Silaen, M. M., Drowley, D. D., Lee, Y., Jaller, M. A., & Circella, G. (2025). Exploring the Differences in Type of Commodities and Delivery Methods Among Online Shoppers During the Early Stage of the COVID-19 Pandemic. Transportation Research Record. https://doi.org/10.1177/03611981241266841

4. Loa, P., Iogansen, X., Lee, Y., & Circella, G. (2025). Are All Ride-hailing Trips Created Equal? An Examination of Additional Trips Enabled by Ride-hailing and the Users Who Make Them. Transportation. https://doi.org/10.1007/s11116-024-10566-6 

5. Iogansen, X., Lee, Y., Young, M., Compostella, J., Circella, G., & Jenn, A. (2025). Ridehailing Use, Travel Patterns and Multimodal Lifestyle: A Latent-class Cluster Analysis of One-week GPS-based Travel Diaries in California. Travel Behaviour & Society. https://doi.org/10.1016/j.tbs.2024.100855

6. Kothawala, A., Haddad, A. J., Loa, P., Lee, Y., Circella, G., Bhat, C. (2024). Hybrid Workers' Activity Intensity: Post-Pandemic Comparison of Telework-Only and In-Person Workdays. Transportation Research Record. https://doi.org/10.1177/03611981251347299 

7. Iogansen, X., Malik, J. K., Lee, Y., & Circella, G. (2024). Change in Work Arrangement during the COVID-19 Pandemic: A Large Shift to Remote Work and Hybrid Work. Vol. 25. 100969. Transportation Research Interdisciplinary Perspective. https://doi.org/10.1016/j.trip.2023.100969 

8. Lee, Y., & De Vos, J. (2023). Who Would Continue Working Remotely in Hong Kong As the Pandemic Progresses? Transportation Research Part D: Transport and Environment.  https://doi.org/10.1016/j.trd.2023.103753

9. Loo, B. P., Tsoi, K. H., Axhausen, K. W., Cao, M., Lee, Y., & Koh, K. P. (2023). Spatial risk for a superspreading environment: Insights from six urban facilities in six global cities across four continents. Frontiers in Public Health. https://doi.org/10.3389/fpubh.2023.1128889 

10. Matson, G., McElroy, S., Lee, Y., & Circella, G. (2022). Longitudinal Analysis of COVID-19 Impacts on Mobility: An Early Snapshot of the Emerging Changes in Travel Behavior. Transportation Research Record. https://doi.org/10.1177/03611981221090241

11. Raymond, E., Dill, J., & Lee, Y. (2022). Millennials First Time Homebuyers Before and After the Housing Crisis: The Impact of Age and Credit on Location Choice. Journal of Planning Research and Education. https://doi.org/10.1177/0739456X18807751

12. Cheng, L., Jin, T., Wang, K., Lee, Y., & Witlox, F. (2022). Promoting the integration of bikeshare and metro: A focus on the nonlinearity of built environment effects. Multimodal Transportation. https://doi.org/10.1016/j.multra.2022.100004 

13. Lee, Y., & Lee, B. (2022). What's Eating the Public Transit in the United States?: Reasons for Declining Transit Ridership in the 2010s. Transportation Research Part A: Policy and Practice. 157, 126-143. https://doi.org/10.1016/j.tra.2022.01.002

14. Lee, Y., Chen, Y. H., Circella, G., & Mokhtarian, P. L. (2022). Substitution or Complementarity? A Latent-Class Cluster Analysis of Ridehailing Impacts on the Use of Travel Modes in Southern U.S. Cities. Transportation Research Part D: Transport and Environment. 104(130167), 1-15. https://doi.org/10.1016/j.trd.2021.103167

15. Wang, K., Qian, X., Circella, G., Lee, Y., Malik, J., & Fitch, D. T. (2022). What Mobility Modes Do Shared E-Scooters Displace? A Review of Recent Research Findings. Transport Review. https://doi.org/10.1080/01441647.2021.2015639

16. Zhang, W., Wang, F., Barchers, C., & Lee, Y. (2021). The impact of Transit-Oriented Development on Housing Value Resilience: Evidence from the City of Atlanta. Journal of Planning Education and Research. https://doi.org/10.1177/0739456X18787011

17. Loh, X. P. & Lee, Y. (2021). Attitudes toward and the Current Adoption and Future Expectations of Working from Home in Hong Kong during the COVID-19 Pandemic. Findings, October. https://doi.org/10.32866/001c.28337

18. Lee, Y., Circella, G., Mokhtarian, P. L., & Guhathakurta, S. (2019, Oct 26). Heterogeneous Residential Preferences Among Millennials and Members of Generation X in California: A Latent-Class Approach. Transportation Research Part D: Transport and Environment. https://doi.org/10.1016/j.trd.2019.08.001 

19. Lee, Y., Circella, G., Mokhtarian, P. L., & Guhathakurta, S. (2019, July 9). Are Millennials More Multimodal? A Latent-Class Cluster Analysis with Attitudes and Preferences Among Millennial and Generation X Commuters in California. Transportation. https://doi.org/10.1007/s11116-019-10026-6

20. Lee, Y., Lee, B., & Shubho, M. T. H. (2019). Urban Revival by Millennials? Intra-Urban Net Migration Patterns of Young Adults, 1980-2010. Journal of Regional Science. 59(3), 538-566. https://doi.org/10.1111/jors.12445 [covered by Bloomberg Citylab]

21. Delbosc, A., McDonald, N., Stokes, G., Lucas, K., Circella, G., & Lee, Y. (2019). Millennials in Cities: Exploring Travel Behaviour Trends in Six City Regions. Cities. 90, 1-14. https://doi.org/10.1016/j.cities.2019.01.023 

22. Lee, Y., & Guhathakurta, S. (2018). An analysis of the effects of suburban densification on vehicle use for shopping: Do existing residents respond to land-use changes in the same way as recent movers? Journal of Transport Geography, 68(April), 193-204. https://doi.org/10.1016/j.jtrangeo.2018.03.011 

23. Lee, B., & Lee, Y.  (2013).  Complementary Pricing and Land Use Policies: Does It Lead to Higher Transit Use? Journal of the American Planning Association, 79(4), 314-328. https://doi.org/10.1080/01944363.2014.915629