TREC Webinar Series

The Transportation Research and Education Center (TREC) at Portland State University (PSU) is first and foremost an interdisciplinary center. Our research initiatives pull together the voices and expertise of a wide range of backgrounds that collectively shape the ways we move through the world. We support collaborative research and education that provide a unique lens on transportation insight for vibrant communities. TREC is home to the U.S. DOT funded National Institute for Transportation and Communities (NITC) consortium, the Initiative for Bicycle and Pedestrian Innovation (IBPI), and other transportation grants and programs. We produce impactful research for transportation decision makers, and support the education of future transportation professionals through curriculum development and student participation in research.

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Webinar: Scooting to Healthy and Safe Mode Choices

Kristina M. Currans, Nicole Iroz-Elardo, and John MacArthur

6-7-2022

Shared electric scooters (e-scooters) are fast becoming a mobility option in cities across the United States. This new micromobility mode has the potential to replace car usage for certain trips, ...Read More
Webinar: The Impact of Decentralizing Homeless Services on Transportation and Mobility

Sarah Canham, Ivis Garcia, Shannon Jones, and Jeff Rose

4-20-2022

With findings from a mixed methods research study, this interdisciplinary webinar will present results from a historical public document analysis, a GIS spatial analyses, client surveys and interviews, and interviews ...Read More
Webinar: Exploring Data Fusion Techniques to Derive Bicycle Volumes on a Network

Sirisha Kothuri, Joe Broach, and Kate Hyun

3-10-2022

Planners and decision makers have increasingly voiced a need for network-wide estimates of bicycling activity. Such volume estimates have for decades informed motorized planning and analysis but have only recently ...Read More
Webinar: Is Transit-Oriented Development Affordable for Low and Moderate Income Households?

Reid Ewing and Justyna Kaniewska

2-15-2022

Transportation and land use planning, as a field, is shifting away from segregated uses connected by highways and streets to more compact, mixed-use developments connected by high-quality transit. This new ...Read More
Webinar: Mobility, Accessibility, and Resiliency of Community-Dwelling Older Adults

Kate Hyun, Kathy Lee, and Caroline Krejci

1-26-2022

Mobility disparities among older adults affect their ability to travel and access services. This project seeks to understand challenges, barriers, and gaps that older adults experience and to develop forms ...Read More
Webinar: Radar Point Cloud Segmentation using GMM in Traffic Monitoring

Siyang Cao

11-9-2021

Intelligent transportation systems (ITS) change our communities by improving the safety and convenience of people’s daily mobility. The system relies on multimodal traffic monitoring, that needs to provide reliable, efficient ...Read More
Webinar: The Impact of Transportation-Related Barriers on Self-Perceived Physical Health among Adults in the US

Philip Baiden and Godfred Boateng

10-12-2021

Drawing from the framework of social determinants of health, the objective of this study is to investigate the cross-sectional association between transportation-related factors and self-perceived physical health among adults in ...Read More
Webinar: Data-Driven Mobility Strategies for Multimodal Transportation

Yao-Jan Wu, Abolfazl Karimpour, and Xianfeng Terry Yang

9-15-2021

Multimodal transportation systems (e.g., walking, cycling, automobile, public transit, etc.) are effective in increasing people’s travel flexibility, reducing congestion, and improving safety. Therefore, it is critical to understand what factors ...Read More
Webinar: The Impact of Ride Hail Services on the Accessibility of Nonprofit Services

Dyana Mason

7-13-2021

Nonprofit organizations are responsible for providing human services across the United States, often in partnership with government agencies. In this work, they address some of the most pressing social issues ...Read More
Webinar: Electric Bus Deployment: Cost and Environmental Equity

Cathy Liu

6-8-2021

This presentation introduces an innovative spatiotemporal analytical framework and web-based visualization platform developed by researchers at the University of Utah to assist transit agencies in identifying optimal deployment strategies for ...Read More
Webinar: Eliminating Cash Options for Public Transit Fares: Costs, Benefits and Equity Impacts

Aaron Golub

5-11-2021

Many transit agencies plan to automate their fare collection and limit the use of cash, with the goals of improving boarding and data collection while lowering operating costs. Yet about ...Read More
Webinar: Rethinking Streets During COVID

Clare Haley, John Larson-Friend, Marc Schlossberg, and Aliza Whalen

4-4-2021

Re-allocating space on streets to accommodate new uses – particularly for walking, biking, and being – is not new. However, COVID-era needs have accelerated the process that many communities use ...Read More
Webinar: Transit Impacts on Jobs, People and Real Estate

Arthur C. Nelson, Kristina Currans, and Robert Hibberd

3-23-2021

This webinar has six elements: Introducing themes related to how transit should affect the location of jobs and people, and how real estate should respond; Creating a research typology of ...Read More
Webinar: Land Use and Transportation Policies for a Sustainable Future

Liming Wang

2-9-2021

Even though there are tremendous uncertainties in the timing and evolution path of the Autonomous Vehicles (AV) technology, it may become a likely reality within most MPOs' long-range regional transportation ...Read More
Webinar: Transportation Benefits of Polycentric Urban Form

Reid Ewing and Sadegh Sabouri

1-19-2021

A “polycentric” region consists of a network of compact developments connected with each other through high-quality transportation options. Rather than continuing the expanse of low-density development radiating from an urban ...Read More
Webinar: Bus Stops: Access and Equity

Keith Bartholomew

11-10-2020

Improving bus stops by providing shelters, seating, signage, and sidewalks is relatively inexpensive and popular among riders and local officials. Making such improvements, however, is not often a priority for ...Read More
Webinar: Economic and Business Outcomes of Bicycle and Pedestrian Improvements

Jenny H. Liu

10-6-2020

The National Street Improvements Study, conducted by PSU in conjunction with PeopleForBikes and consulting firm Bennett Midland, researched the economic effects of bicycle infrastructure on 14 corridors ...Read More
Webinar: A National Scan of Bike Share Equity Programs: Best Practices and Lessons Learned

Nathan McNeil, John MacArthur, and Adriel Thornton

9-16-2020

Connecting with cities and bike share operators from across the United States, Portland State University conducted a nationwide scan on what programs and initiatives were running to address equity in ...Read More
Webinar: Findings From 15 Years Of Travel Surveys At Portland Area Transit-oriented Developments (TODs)

Jennifer Dill and Nathan McNeil

6-2-2020

Since 2005, Portland State University has periodically surveyed occupants of recently developed higher-density and mixed-use projects near transit, often referred to as Transit-Oriented Developments (TODs). The general objectives of the ...Read More
Webinar: Natural Pozzolans in the Pacific Northwest and their Beneficial Uses

Matthew D. Sleep

5-19-2020

The eruption of Mt. Mazama approximately 7,700 years ago created what is now known as Crater Lake. This eruption blanketed the Pacific Northwest with volcanic ash. This volcanic ash has ...Read More
Webinar: Connected Vehicle System Design for Signalized Arterials

Xianfeng Terry Yang

5-12-2020

It can be expected that connected vehicles (CVs) systems will soon go beyond testbed and appear in real-world applications. To accommodate a large number of connected vehicles on the roads, ...Read More
Webinar: Visual Exploration of Trajectory Data

Nikola Markovic, Mark Franz, and Seth Miller

4-7-2020

This webinar will demonstrate the tremendous value of GPS trajectory data in understanding statewide travel patterns and measuring performance. First, Dr. Markovic (U of Utah) will conduct visual exploration of ...Read More
Webinar: When Growth Outpaces Infrastructure: A Community-Engaged Assessment of Transportation Gaps

Jandel Crutchfield and Kate Hyun

3-17-2020

This study used a community-engaged interdisciplinary approach to assess the gaps between economic growth and transportation infrastructure development, and the impact of potential gaps on access to opportunities for environmental ...Read More
Webinar: New Travel Demand Modeling for our Evolving Mobility Landscape

Reid Ewing and Sadegh Sabouri

2-11-2020

Conventional four-step travel demand models are used by nearly all metropolitan planning organizations (MPOs), state departments of transportation, and local planning agencies, as the basis for long-range transportation planning in ...Read More
Webinar: Assessing the Impacts of New Mobility on Cities

Rebecca Steckler and Rebecca Lewis

1-22-2020

Autonomous vehicles (AVs), e-commerce and the sharing economy are rapidly changing land use and transportation in cities. City leaders and professional planners are wondering how these technologies will change how ...Read More

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