Dr. James Sallis, Professor of Psychology, San Diego State University; Director, Active Living Research
Co-sponsored by the School of Community Health
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Smart growth policies have often emphasized the importance of land use mix as an intervention beholding of lasting urban planning and public health benefits. Past transportation-land use research has identified potential efficiency gains achieved by mixed-use neighborhoods and the subsequent shortening of trip lengths; whereas, public health research has accredited increased land use mixing as an effective policy for facilitating greater physical activity...
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Topic: Four Types of Cyclists: What do we know and how can it help?
Labeling or categorizing cyclists has been occurring for over a century for a variety of purposes. Dr. Dill's research aimed to examine a typology developed by the City of Portland that includes four categories: Strong and the Fearless, Enthused and Confident, Interested but Concerned, and No Way No How. Unlike several other typologies, this widely referenced typology is intended to apply to all adults, regardless of their current cycling behavior. This seminar will present her findings, focusing on differences between the four types and a better understanding the market for increasing cycling for transportation.
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Speaker: Joseph Broach, Ph.D. Candidate, Portland State University
Topic: Trick or Treatment? Impact of Route-Level Features on Decisions to Walk or Bike
Summary: Some travel routes attract people walking and cycling, while others may scare them away. What features of street environments are most important, and how do available routes affect decisions to bike or walk on a specific trip?
Research to date has focused on either large-scale areal measures like "miles of bike lane nearby" or else has considered only shortest path routes. Neither method is suited to capturing the impact of targeted route-level policies like neighborhood greenways. This session will present a new technique for measuring bike and walk accessibility along the most likely route for a given trip. The method is applied to travel data, and results provide new insight into the relationship between route quality and travel mode choice.
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The transportation engineering community is advancing methodologies to encourage active transportation. Adoption of new methodologies and standards has not been widely accepted because there remain gaps in the standards by which we determine facilities are adequate, particularly in the development review process. This is highlighted in the vocabulary we use on a daily basis, we continue to consider auto traffic congestion as something that should be reduced, when in reality it can support the encouragement of active transportation. This session will describe these challenges and identify technical procedures that would allow the development of a more balanced transportation system supportive of the local policies of the community. The case study of Portland will be used to describe specific actions where the City has acted consistent with the local policy rather than blindly accepting the national Level of Service thresholds identified in the Highway Capacity Manual.
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Speaker: Brian Saelens, Professor of Pediatrics and Psychiatry & Behavioral Sciences, Seattle’s Children’s Hospital & University of Washington
Topic: Links Between Public Transportation and Physical Activity (Effects of LRT on Physical Activity Based on Seattle GPS Study)
Summary: This seminar will explore the empirical evidence regarding the links between the use of public transportation and physical activity, with a specific focus on using integrated device and self-report methods to identify travel modes and physical activity.
Bio: Brian E. Saelens, Ph.D. is a Professor of Pediatrics and Psychiatry & Behavioral Sciences at the University of Washington and Principal Investigator at Seattle Children’s Research Institute. Dr. Saelens is a clinical/health psychologist. His interest areas include obesity treatment and prevention, especially in environmental factors and policies that influence physical activity and eating behaviors in children and adults. He has published over 150 peer-reviewed original investigation and review articles.
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Abstract: Urban arterials often represent complex venues of transportation operations, co-mingling non-motorized users with transit services and a wide variety of land uses and traffic patterns. This presentation presents results related to the evaluation of a new Adaptive Traffic Control System (SCATS) on Powell Boulevard in southeast Portland. The presentation will discuss challenges and opportunities associated with the evaluation of new technologies and the development of comprehensive urban arterial performance measures.
Speaker Bio: Miguel Figliozzi is an Associate Professor of Civil and Environmental Engineering at Portland State University. His diverse research interests include transit and traffic operations, bicycle and pedestrian modes, emissions and air quality modeling, and freight and logistics. He holds a MS from the University of Texas at Austin and a PhD from the University of Maryland College Park. Figliozzi is a member of the Transportation Research Board Network Modeling Committee, Freight and Logistics, and Intermodal Terminal Design Committees. Papers, reports, and more detailed information available at Figliozzi's webpage: http://web.cecs.pdx.edu/~maf/
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Dr. Smaglik is currently working on three separate transportation research projects at Northern Arizona University. This talk will touch briefly on each of the three projects, the concepts behind them, workplans, and expected deliverables. The projects include work with the Oregon DOT on the impact of less than optimal vehicle detection on adaptive control algorithms, development of a ped priority algorithm through a NITC project (as a Portland State subcontractor), and internally funded work on a power harvesting traffic sensor.
Dr. Edward J. Smaglik, P.E. is an Associate Professor at Northern Arizona University (NAU), Flagstaff, AZ, in the Department of Civil Engineering, Construction Management, and Environmental Engineering. Dr. Smaglik has over 7 years of academic research and teaching experience, preceded by 2 years of experience as a post-doctoral research associate. In addition to typical academic teaching responsibilities, he has served as Principal Investigator on transportation related projects on a wide range of topics, including the development and implementation of a pedestrian priority algorithm, the implication of vehicle detection degradation on higher level traffic control algorithms, the analysis of travel time data related to...
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