Research grants


  • California Department of Transportation (Caltrans), “Analysis of Intelligent Vehicle Technologies to Improve Vulnerable Road Users Safety at Signalized Intersections” (PI), $103,784, 2021-2022

  • California Department of Transportation (Caltrans), “Dock‐based and Dockless Bikesharing Systems: Analysis of Equitable Access for Disadvantaged Communities” (Lead proposal writer and project main contributor), $91,173, 2020-2021

  • University of California, Davis, “Mitigate ‘Bikeshare Desert’ in Underserved Communities” (PI), $25,000, 2018-2019

  • U.S. Department of Transportation (DOT), “High Impact Prioritization of Bike Share Program Investment to Improve Underserved Communities' Access to Jobs and Essential Services” (project coordinator with PI Niemeier, D.), $56,590, 2015-2016

  • Ministry of Education of the People’s Republic of China (National College Students' Innovative Training Plan), “Modeling Urban Link Travel Time with License Plate Data” (PI), $1,500, 2012-2013


Current research projects


  • Analysis of Adoption of Vehicle-to-Bicycle Technologies to Improve Cyclist Safety
  • Understanding Uncertainty by Shared Micro-mobility on Traffic Demand Modeling
  • Modeling the Impacts of Connected and Automated Vehicle Deployment in California




     Invited Talks

  • “The Challenges and Opportunities Faced by Shared Micromobility under COVID19”, INFORMS Conference on Service Science, December 19-21, 2020 (virtual format)

  • “Spatial equity analysis of dock-based and dockless bike share in San Francisco”, National Center for Sustainable Transportation (NCST) Bikeshare and Equity Webinar, September 29, 2020 (virtual format)

  • “How Emerging Technologies Help Address Transportation Equity”, University of South Florida, Tampa, FL, April 24, 2020 (postponed due to COVID19)

  • “Modeling Framework for a Socially Inclusive Bikeshare System”, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN April 25, 2019


     Panel Discussion

  • “Micromobility”, 3 Revolutions Future Mobility research workshop, Davis, CA, October 8, 2019



  • “How Emerging Technologies in Shared Micro-mobility Help Address Transportation Equity”, 3 Revolutions Future Mobility (3RFM) Research Workshop, Davis, CA, November 17-18, 2020 (virtual format)

  • “Bikeshare and Public Transit amid the COVID19”, 3 Revolutions Future Mobility Program Deep Dive, Davis, CA, September 9, 2020 (virtual format)

  • “Enhancing Equitable Service Level: Which Can Address Better, Dockless or Dock-based Bikeshare Systems?”, Network on European Communications and Transport Activities Research (NECTAR), Venice, Italy, March 26-27, 2020 (postponed due to COVID19)

  • “A Design of a Socially Inclusive Bikeshare System with Station Location Optimization”, INFORMS Annual Meeting, Phoenix, AZ, November 4-7, 2018

  • “Modeling Framework for Socially Inclusive Bikesharing Services”, National Travel Monitoring Exposition and Conference (NaTMEC), Irvine, CA, June 12, 2018

  • “How Can Bikeshare Systems Target Underserved Areas?”, California Bike Summit, Sacramento, CA, October 4, 2017

  • “Predicting Bicycle Ride Quality from Dynamic Measurements and Pavement Mean Texture Depth”, Bicycle and Motorcycle Dynamics, Milwaukee, WI, September 21-23, 2016



  • “Wildfire Awareness, Departure Time, Mode Choice, and Emergency Communication: Decision-making in the 2018 Camp Fire Evacuation” (co-author), Transportation Research Board (TRB) Annual Meeting, Washington D.C., January 12-16, 2020                   

  • “Station-Level Analysis for Bikeshare Activity in Disadvantaged Communities”, Transportation Research Board (TRB) Annual Meeting, Washington D.C., January 12-17, 2019

  • “High Impact Prioritization of Bikeshare Program Investment to Improve Underserved Communities’ Access to Jobs and Essential Services”, UC Davis Sustainable Transportation Energy Pathways (STEPS) Fall Research Symposium, Davis, CA, October 27, 2018.

  • “Mean Texture Depth and Deflection Detection and Steering Angle Based Bike Pavement Condition Assessment”, Transportation Research Board (TRB) Annual Meeting, Washington D.C., January 8-12, 2017