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- Co-Director BicyclingPlus
- Institute of Transportation Studies
- Graduate Student Researcher
- Transportation Technology and Policy
- Assistant Professor
- Environmental Science and Policy
- Director, 3 Revolutions Future Mobility Program
- 3RFM Program
- Institute of Transportation Studies
- Graduate Student Researcher
- Civil and Environmental Engineering
- Assistant Professor
- Design
- Postdoc
- BicyclingPlus
- Institute of Transportation Studies
- Co-Director, BicyclingPlus Research Collaborative
- Director, National Center for Sustainable Transportation
- Associate Director for Education, ITS-Davis
- Chair, TTP Graduate Group
- Professor, Environmental Science and Policy
- Environmental Science and Policy
- Co-director, Sustainable Freight Research Program
- Assistant Professor, Civil & Environmental Engineering
- Assistant Director
- Assistant Professor
- Energy Futures
- Institute of Transportation Studies
- Associate Director
- Feminist Research Institute
- Ph.D. Candidate
- Transportation Technology and Policy
- Visiting Scholar
- PhD Student
- Georgia Institute of Technology
- Research Environmental Psychologist
- Institute of Transportation Studies
- Postdoctoral Researcher
- NCST Affiliate
- Institute of Transportation Studies
- Co-Director, Transit Research Center
- Associate Professor, Civil & Environmental Engineering
