Research Projects | Transportation Research and Education Center

Expanding Transmobilities: An Art-Informed Methodology For Genderdiverse Travel Behavior

Principal Investigator: Nicholas Puczkowskyj

There is a significant gendered travel behavior research gap in the transportation literature. A plethora of transportation literature identifying and contrasting cisgender disparities exists, but more inclusive approaches to genderdiverse identities ... Read More

Do Travel Costs Matter For Persons With Lower Incomes? Using Psychological and Social Equity Perspectives to Evaluate the Effects of a Low-Income Transit Fare Program on Low-Income Riders

Principal Investigator: Liu-Qin Yang

Co-Investigators: Liming Wang , Aaron Golub

In recent years, there has been a nationwide push to move from using cars to using other modes of transportation. The benefits of active transportation (that is, walking, biking, and even using public transit) are widely known. Not only can these mod ... Read More

Access to Opportunities: Redefining Planning Methods and Measures for Disadvantaged Populations

Principal Investigator: Arlie Adkins

Co-Investigator: Stephen Mattingly

This project will be made up of two separate studies that together will investigate areas where transportation planning and engineering can better serve disadvantaged and underserved communities. An interdisciplinary team of planning and public healt ... Read More

Statistical Inference for Multimodal Travel Time Reliability

Principal Investigator: Avinash Unnikrishnan

Co-Investigators: Miguel Andres Figliozzi , Subhash Kochar

Travel time reliability – or the consistency and dependability of travel times from day to day, and at different times of day – is a key metric that significantly affects people’s travel behavior. Since businesses rely heavily on transportation ... Read More

New Mobility For All: Can Targeted Information And Incentives Help Underserved Communities Realize The Potential Of Emerging Mobility Options?

Principal Investigator: Nathan McNeil

Co-Investigator: John MacArthur

Low-income residents, immigrants, seniors, and people with disabilities – these are people who stand to gain the most from new tools and services that reduce transportation costs and travel time. However, issues of affordability, technology adoptio ... Read More

Data-Driven Mobility Strategies for Multimodal Transportation

Principal Investigator: Yao-Jan Wu

Co-Investigators: Xianfeng (Terry) Yang , Sirisha Kothuri

How can we use a variety of data-driven speed management strategies to make transportation safer and more efficient for all modes–whether you’re driving, walking or taking transit? The project was led by Yao Jan Wu, director of the Smart Trans ... Read More

Evaluation of Road User Comprehension and Compliance with Red Colored Transit Priority Lanes

Principal Investigator: Christopher Monsere

Co-Investigators: Jennifer Dill , Nathan McNeil

As part of the City of Portland Enhanced Transit Corridors Plan, the Portland Bureau of Transportation (PBOT) is working with TriMet and Jacobs Engineering to evaluate the impact of red colored transit priority lanes at key locations in and around do ... Read More

Applying an Equity Lens to Automated Payment Solutions for Public Transportation

Principal Investigator: Aaron Golub

Co-Investigators: Anne Brown , Candace Brakewood , John MacArthur

Our multi-year study on automated transit fare collection offers a key finding that won't surprise you: Despite the convenience, the rush toward cashless fare systems has created barriers for lower-income riders seeking to use transit. Results from f ... Read More

NSF Collaborative Research: RAPID: Maintain Mobility and Reduce Infection Through a Resilient Transit and Micromobility System

Principal Investigator: John MacArthur

The COVID-19 pandemic has caused unprecedented disruptions to health, the economy, and transportation systems in cities. The key strategy to combat growth in the infection rate is through "social distancing," maintaining physical separation from othe ... Read More

Homelessness: A Guide for Public Transportation (TCRP J-11/Task 40)

Principal Investigator: John MacArthur

Co-Investigator: Marisa Zapata

Unemployment, low wages, poverty, and lack of affordable housing are the main drivers of an increasing homeless population throughout the U.S. in recent years. Transit agencies are being impacted by homelessness. While transit agencies cannot address ... Read More

Bi-objective Optimization for Battery Electric Bus Deployment Considering Cost and Environmental Equity

Principal Investigator: Xiaoyue Cathy Liu

Co-Investigators: Aaron Golub , Ran Wei

Led by Xiaoyue Cathy Liu of the University of Utah, researchers have created a web-based modeling tool that enables U.S. transit providers to explore the impacts of changing over their systems to battery electric buses, or BEBs. The researchers ran ... Read More

Methodologies to Quantify Transit Performance Metrics at the System-Level

Principal Investigator: Travis Glick

Performance metrics have typically focused at two main scales: a microscopic scale that focuses on specific locations, time-periods, and trips; and, a macroscopic scale that averages metrics over longer times, entire routes, and networks. When applie ... Read More