portland state university | Transportation Research and Education Center

Better Block PSU Project Brings Safety Improvements to Hood River Middle School

Oct 26, 2022

Students at Hood River Middle School in Hood River, Oregon, will get some hands-on transportation experience next spring as they participate in the redesign of bike and pedestrian infrastructure around their school. Members of the (tentatively named) "Better Blocks Club," a new after-school extracurricular club, will get the chance to observe infrastructure, go on field trips by bike, learn urban planning best practices, and be involved in implementing a pilot safety project.

They'll be helping to plan and install new pop-up pedestrian and bike facilities at the intersection of May Street and 17th/18th Streets, a dogleg intersection adjacent to their school. The intersection design, which will include a protected intersection near the school and pop-up mobility lanes on the approaching streets, was created by PSU civil engineering students as part of the Better Block PSU program.

After the 6-month pilot demonstration is complete, the project will undergo community feedback and design modifications before infrastructure is permanently installed by the City of Hood River.

Left: Intersection of 17th/May St (Google Street View, 2022). Right: Map of the project location.

HOW DID THIS PROJECT COME ABOUT?

The project is led by Megan Ramey, Hood River County School District's Safe Routes to School...

Factors Influencing Bike Share Among Underserved Populations: Evidence From Three U.S. Cities

Oct 25, 2022

Researchers Jennifer Dill, Jiahui Ma, Nathan McNeil, Joseph Broach and John MacArthur of Portland State University have published a new article in the November 2022 issue of Transportation Part D: Transport and Environment. The open-access article, "Factors influencing bike share among underserved populations: Evidence from three U.S. cities," examines bike share use and interest among lower-income residents and people of color in New York, Chicago, and Philadelphia.

There is evidence that lower-income and people of color (POC) in the U.S. do not use bike share as much as higher-income and white people. Using data from residents living near bike share stations in New York, Chicago, and Philadelphia, the paper examines reasons for these disparities. Researchers looked at many factors that might explain bike share use and interest in lower-income, racially diverse, traditionally underserved neighborhoods. They focused on residents who live near bike share stations, so that proximity would not be a barrier.

A few key findings:

People who are not members, but are interested in using bike share, including POC, are motivated to use bike share for fun, recreation, and social reasons (as opposed to utility).
Knowledge of bike share and receiving information from interactive sources (for example,...

Online Grocery Shopping During COVID-19: Barriers, Access, and What Happens Next

Oct 11, 2022

When the COVID-19 pandemic first swept across North America and led to emergency shutdowns during the spring of 2020, the way people acquired food and household necessities was dramatically impacted. As stay-at-home orders minimized personal travel, transit services were reduced and many stores and restaurants either closed or modified their operations.

Some of the gaps were filled by online retailers and delivery services. However, access to goods and services varied substantially depending on people's age, income level, and ability.

A new multi-university study funded by the National Institute for Transportation and Communities (NITC), the U.S. DOT-funded university transportation headquartered at Portland State University, and the National Science Foundation (NSF) captured how households responded as local, state, and federal governments imposed and lifted restrictions, brick-and-mortar establishments closed and reopened, and e-commerce and delivery services adjusted to the changing conditions.

The findings of this research are critical for emergency planning, but also for understanding the ever-changing mechanisms used to access retail and service opportunities (whether in person or online). The research identifies opportunities for future interventions to remedy barriers to accessing food, which will...

Improved Methods to Evaluate Travel Time Reliability

Oct 04, 2022

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 systems, an unreliable transportation network can also impact the economic competitiveness of urban areas. As such, reliable travel times are important for transportation agencies to promote economic stability within a community. Having accurate methods to evaluate reliability is important for both transportation practitioners and researchers.

A new report from Portland State University offers an improved method for determining the confidence interval of travel time reliability metrics. Researchers Avinash Unnikrishnan, Subhash Kochar and Miguel Figliozzi of PSU’s Maseeh College of Engineering and Computer Science used a highway corridor in Portland, Oregon as a case study to evaluate their method, and found that it compared favorably with other methods of evaluating the confidence interval of travel time reliability metrics.

"Traffic engineers can apply this method to come up with a range of estimates for the unknown true travel time reliability metric. The travel time reliability metrics calculated by traffic engineers and transportation planners will have variability due to factors such as road...

Transportation Students Get Firsthand Look at Multimodal Travel in Denmark and Sweden

Sep 29, 2022

A group of nine transportation students traveled to Denmark and Sweden this past summer, to meet with planners and engineers and get a feel for on-the-ground transportation in Copenhagen and Stockholm. They explored the area by rail, foot, bike and boat, in between presentations and tours led by professionals.

Portland State University's Transportation Research and Education Center (TREC)'s associate director, Hau Hagedorn, and sustainable transportation program manager, John MacArthur, led the Initiative for Bicycle and Pedestrian Innovation (IBPI) Study Abroad program. See photos from the trip.

In past years they've traveled to the Netherlands to experience the Dutch approach to cycling infrastructure and multimodal travel. This year, they decided to expand the mission. Copenhagen, like Amserdam, is sometimes referred to as the cycling capital of the world. Stockholm, along with some...

Introducing the 2022-23 Transportation Scholars of Portland State University

Sep 23, 2022

We are proud to introduce four new transportation scholarship recipients at Portland State University for the 2022/23 academic year. Congratulations to Peter Domine, Lise Ferguson, Kyu Ri Kim, and Valeria Tapia, all students in the Toulan School of Urban Studies and Planning!

Scholarships are made possible by the generosity of donors who want to invest in the future of Portland State students. PSU students work on real transportation system projects with partners in our community. Through scholarships, we can support students in overcoming barriers to funding as well as acknowledging those who go above and beyond in advancing transportation. Learn more about PSU transportation funding opportunities and read about past transportation scholars.

Peter Domine

Recipient of the Walter H. Kramer Endowed Transportation Fellowship

I am a lifelong Oregonian and Salemite. I love history, which is where much of my interest in urban planning came from. I am fascinated by many subjects and that is also why I enjoy...

Wasatch Transportation Academy: Piloting an Investment in Community Capital

Sep 13, 2022

How can community members become more engaged in transportation decision making?

Individuals and groups can learn to effect powerful change, but success requires some familiarity with how civic processes work. Community Transportation Academies, or CTAs, provide a basic technical understanding of how a city or region’s transportation system operates, along with the decision makers and decision-making processes that determine how the system is shaped.

Supported by the National Institute for Transportation and Communities (NITC), the new Wasatch Transportation Academy (WTA) at the University of Utah was piloted in 2022 in the Salt Lake City region. The research team developed a course vision, topics, and logistics for the WTA by interviewing stakeholders in the Utah Governor’s Office of Planning and Budget, the Utah Department of Transportation, the Utah Transit Authority, Salt Lake County, Salt Lake City, and the Wasatch Front Regional Council. Led by Nathan McNeil of Portland State University and Keith Bartholomew of the University of Utah, the WTA used the established Portland Traffic and Transportation class in Portland, Oregon as a framework.

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Portland State University Transportation Student Group Wins ITE Momentum Award

Aug 24, 2022

We're proud to announce that the Institute for Transportation Engineers (ITE) has awarded Portland State University's ITE Student Chapter, Students in Transportation Engineering and Planning (ITE-STEP), the 2022 Student Chapter Momentum Award. The award recognizes the student group for an outstanding year of accomplishments.

This year's ITE-STEP leadership made big strides in activating and energizing the student chapter. They hit the ground running after being elected, to prepare for Transportation Research Board (TRB) scholarship applications, through which they leveraged UTC funding from the National Institute for Transportation and Communities to send ten PSU students to attend the TRB annual meeting in Washington, D.C.

"The award shows the dedication and commitment that the ITE-STEP board provided. Despite having full-time academic schedules, internships and jobs, and COVID-19 issues, the board stayed committed to holding frequent online and in person...

Transportation Undergraduate Research Fellows Advance Multimodal Travel

Aug 24, 2022

The Transportation Undergraduate Research Fellowship (TURF) program at Portland State University has hosted twenty-four fellows since 2017, and recently wrapped up its summer 2022 session. This year, six undergraduate researchers worked on projects aimed at improving the safety and efficiency of multimodal transportation systems. The research goals ranged from surveying pedestrian count programs and safety performance functions across the country, to reviewing case studies of tactical curb extensions and collecting pedestrian data at intersections.

Hosted by PSU’s Transportation Research and Education Center (TREC), the TURF fellows also experience a variety of workshops with PSU faculty and staff on research, communication and data science skills. They attended the 2022 Forth Mobility Roadmap Conference in June, and participated in networking events with the Portland chapters of YPT and WTS. Here is some of what the students had to say about the experience:

"I enjoyed all of the experiences surrounding my time here at TREC, but I loved the workshops. I especially enjoyed Dr. Golub's workshop...

Immersive Portland State Program Introduces Students to Transportation Careers

Aug 24, 2022

In 2019 Olivia Nell wasn't sure what she wanted to study in college. A junior in high school, she discovered a free transportation summer camp at Portland State University (PSU) for high schoolers. After seeing the behind-the-scenes workings of transportation in Portland, Oregon and meeting local professionals, she knew she wanted to pursue: engineering.

"I really enjoyed my time at the camp, and it helped me narrow down my educational interests. I am now in my third year of college at Oregon State University studying mechanical engineering, hoping to focus on renewable energy," Olivia said.

This summer she returned to the camp as a counselor to mentor the next cohort of Oregon high school students. She is one of five past students to do so.

"Three of our counselors this year were past camp students. I think that in itself speaks to the importance of this camp in drawing people to the transportation profession," said Hau Hagedorn, associate director of the Transportation Research Education Center (TREC) at PSU.

Olivia decided to return because she appreciates how the camp positively impacts students: "I wanted to be a part of a team that allows for students to explore various career...

HOW DID THIS PROJECT COME ABOUT?

Peter Domine

Recipient of the Walter H. Kramer Endowed Transportation Fellowship

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