|October 2017 - Present||Interim Vice President for Research, Portland State University ‐ Research and Strategic Partnerships|
|September 2015 - Present||Professor, Portland State University ‐ Urban Studies and Planning|
|Present||Director, Portland State University ‐ Transportation Research and Education Center|
Travel behavior, Bicycling and Walking (30)
Bicycle Route Preference and Pollution Inhalation Dose: Comparing Exposure and ...
Journal of Transport & HealthPublication (2016)
Do bicyclist preferences for low-traffic facilities lead to route choices that minimize air pollution inhalation doses? For both preferences and ...
Associations Between the Objective and Perceived Built Environment and Bicycling ...
Journal of Transport & Health (2015)
This paper investigates the relative associations between the objectively-measured built environment versus stated perceptions of the built environment and bicycling. ...
Electric Bikes in North America Results of an Online Survey
Transportation Research Record: Journal of the Transportation Research Board (2014)
The research described in this paper was conducted in part to understand whether different bicycling technology—in this case, electric-assist bicycles ...