Trick or Treatment? Impact of Route-Level Features on Decisions to Walk or Bike

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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.

Webinar: Exploring Pedestrian Responsive Traffic Signal Timing Strategies in Urban Areas

The role of walking in the development of healthy, livable communities is being increasingly recognized. In urban areas, intersections are often viewed as a deterrent to walking, as their operation primarily favors automobiles, leading to large and unnecessary delays for pedestrians. There is currently very limited research on accommodating and/or prioritizing pedestrians at signalized intersections in the North American context. Pedestrians are often considered as a deterrent to efficient vehicular traffic flow and therefore active efforts to include them in operational decisions at intersections have been lagging. This research aims to fill that gap by understanding factors that influence pedestrian crossing behavior at signalized intersections and developing cost effective and easily deployable signal timing strategies that could be employed at intersections, to increase efficiency for pedestrians.

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Webinar: BikePed Portal - National Bicycle and Pedestrian Count Archive

Webinar: Bike Ped Portal, the National Bicycle and Pedestrian Count Archive

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This project builds on the success of NITC’s first Pooled Fund project that created the first national...

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Links Between Public Transportation and Physical Activity

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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.

Quantifying Walkability - Toward an Objective and Reliable Measure of the Pedestrian Environment

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Bicyclists and pedestrians 'count' too

Walking and Biking on their Own: Modeling Children's Independent Travel to Neighborhood Parks and Schools

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Joseph Broach, PhD candidate in Urban Studies, will discuss the results of his research, which models the propensity of children aged 6-16 to walk or bike to parks and school without an adult chaperone, extending existing work on children’s active travel in several ways: 1) focus on travel without an adult, 2) inclusion of school and a non-school destinations, 3) separate walk and bike models, 4) consideration of both parent and child attitudes and perceived social norms, 5) explicit inclusion of household rules limiting walking or bicycling.

Walk this Way: New Tools for Measuring Walkability and Some Findings on Middle School Transportation Behavior

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Student presentations from TRB, week 1

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View Steve Gehrke's slides

Steven Gehrke, Ph.D. Candidate, Portland State University

Topic: An Activity-related Land Use Mix Construct and Its Connection to Pedestrian Travel

Land use mix is a central smart growth principle connected to active transportation. This presentation describes the indicators of local land use mixing and their association with pedestrian travel in Oregon’s Willamette River Valley. It argues that land use mix is a multidimensional construct reflected by the complementarity, composition, and configuration of land use types, which is positively linked to walk mode choice and home-based trip frequency. Findings from this study underline the conceptual and empirical benefit of analyzing this transportation-land use interaction with a landscape pattern measure of activity-related composition and spatial configuration.

Steven Gehrke is a Ph.D. candidate in Civil and Environmental Engineering at Portland State University. His research examines the transportation-land use interaction,...

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Assessing Impacts of Time Use on Children's Physical Fitness in Relation to Risk for Obesity and Diabetes

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Summary: Researchers from the transportation, planning and health fields share the common goal of promoting physically active lifestyle. One challenge that researchers often face is the measurement of physical activity, particularly among children. This is because the sporadic nature of children’s physical activity patterns makes it difficult to recall and quantify such activities. Additionally, children’s lower cognitive functioning compared to adults prevents them from accurately recalling their activities. This presentation will describe the design and application of a novel self-report instrument - the Graphs for Recalling Activity Time (GReAT) - for measuring children’s activity time use patterns. The instrument was applied in a study of children’s risk for obesity and diabetes in a predominately Hispanic community in Milwaukee, WI. Time-use data for two weekdays and one weekend day were collected for various physical and sedentary activities. The data was then assessed against measurements of the children’s cardiovascular fitness, weight status and insulin resistance through exploratory analysis and structured equation modeling. Findings on GReAT’s reliability and new evidence on the impacts of time-use in different activities on children’s risk for...

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