Steven E. Polzin
Dr. Steven E. Polzin is a research professor at the School of Sustainable Engineering and the Built Environment at Arizona State University.
Prior to joining ASU in 2021, Dr. Polzin served as the Senior Advisor for Research and Technology in the Office of the Assistant Secretary for Research and Technology at the U.S. Department of Transportation.
Polzin's earlier positions include Director of Mobility Policy Research at the Center for Urban Transportation Research at the University of South Florida and working for transit agencies in Chicago, Cleveland, and Dallas.
Dr. Polzin's research interests cover a broad spectrum of transportation policy analyses. His current research focuses on changes in travel behavior associated with changing demography, technology, and economic considerations. Dr. Polzin has also served on the boards of the Hillsborough County Transit Authority and the Metropolitan Planning Organization. He has conducted research for a wide range of clients at all levels of government and in the private sector. He has extensive experience with public and private decision makers, public and private stakeholders, the media, and students with over 30 years of teaching experience.
Dr. Polzin is a civil engineer with a BSCE from the University of Wisconsin-Madison and Master’s and Ph.D. degrees in civil engineering with a focus on transportation from Northwestern University.
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Transportation and climate change: Urban mobility in a climate-sensitive world
Transportation is undergoing its most profound changes in over half a century.
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Transportation and climate change: Public transit
This report focuses primarily on operating energy intensiveness and transportation energy impacts as affected by public transportation’s influence on land use.
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Transportation and climate change: Travel trends and GHG emissions
As the single largest domestic GHG emissions-producing sector, transportation is inevitably a focus of climate change mitigation initiatives.
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Examining the causes of induced demand and the future of highway expansion
The most effective method for reducing induced demand is to implement pricing on highways.
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Examining the induced demand arguments used to discourage freeway expansion
Induced demand metrics need to be updated to reflect current travel behaviors and contexts.
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Mass Transit Systems Face Critical Challenges Now and When COVID-19 Pandemic Is Over
Public transportation is uniquely sensitive to changes in the number of people working from home, changes in commuting patterns, and concerns over public health and safety.
