Tuesday marks another busy day of lectern and poster presentations at the annual meeting of the Transportation Research Board in Washington, D.C., with presentations from core TREC faculty along with current and former NITC student of the year recipients. The day concludes with the annual NITC reception, which all are welcome to attend. More information on the reception is at bit.ly/nitc-trb2015.

TRB helps mark the 10th anniversary of Portal, TREC's multimodal transportation data archive, with a presentation at 10:15 a.m. in room 151A. Kristin Tufte of Portland State, who manages Portal, presents her paper on the history of the program and some of the ambitious changes it's undergoing. Portal was founded in 2004 by Robert Bertini, who also co-authored the paper with Morgan Harvey. Portal started with a single data source, freeway loop detector, and has grown in ten years to contain freeway data, arterial signal data, travel times from Bluetooth detection systems, transit data and bicycle count data. Portal has also grown geographically, and Tufte will offer examples of how Portal data has been used by regional partners – with a focus on measuring the performance of the multimodal transportation system, but also including educational elements and research.

Sirisha Kothuri recently earned a...

Read more

Today marks the last full day of presentations at the annual meeting of the Transportation Research Board and the final day of NITC lectern and poster sessions.

The NITC project Lessons from the Green Lane continues to resonate, with the data spinning off four papers -- three of them presented today -- at TRB. Nathan McNeil delves into greater detail about buffers that separate cyclists from motor-vehicle traffic, and which define protected bike lanes. He presents the paper "Influence of Bike Lane Buffer Types on Perceived Comfort and Safety of Bicyclists and Potential Bicyclists" at 2:45 p.m.

McNeil broke down users and potential users of different bike facilities into groups defined in the Four Types of Transportation Cyclists categories. He analyzed the increase in comfort a user experienced in a protected lane over a standard bike lane.

The biggest increase came in the "interested but concerned" segment seen as key to getting more people to use bikes. "If something is physically separated, 'interested but concerned' people feel much more comfortable," McNeil said. "It suggests that the market that's...

Read more

Check out a quick summary of our activities each day at TRB:

Researchers at campuses affiliated with the National Institute for Transportation and Communities, or NITC, will present 86 papers at the annual meeting of the Transportation Research Board of the National Academies. That's a record number for the Portland State University-based university transportation center, dating back to the 2006 founding of OTREC.

The NITC program is led by Portland State with partners University of Oregon, Oregon Institute of Technology, University of Utah and University of South Florida. The five universities had the work of 93 researchers, as author or coauthor, accepted for presentation Jan. 11-15 at the meeting, the preeminent national conference for transportation researchers. Around 12,000 people from around the world are expected to attend.

To present at the TRB meeting, researchers must submit full research papers for peer review. Only around half of the submitted papers are chosen for presentation at the meeting.

The researchers from NITC campuses will present 25...

Read more

A study showing surprisingly high numbers of pedestrians using a congested suburban intersection draws national attention as its researchers present their findings at the annual meeting of the Transportation Research Board Jan. 11-15 in Washington, D.C. The number of pedestrians was recorded, not with a specialized counting machine, but using the technology that was already in place at the intersection.

Knowing how many travelers use a transportation system is important for a number of reasons. Engineers and planners need to be able to estimate travel demand, and to do so they typically count the vehicles. Annual average daily traffic (AADT) counts have been collected for decades in the United States. 

In recent years the demand has increased for non-motorized counts. For a...

Read more

Despite the many connections between transportation and public health, many agencies tasked with long-range transportation planning have yet to completely consider effects on health, a Portland State University research team found. The research will be presented at the annual meeting of the Transportation Research Board in Washington, D.C. Jan. 11-15.

Patrick Singleton, a Portland State graduate student researcher, will present the paper “Incorporating public health in U.S. long-range metropolitan transportation planning: A review of guidance statements and performance measures,” during a poster session Tuesday. The paper grew out of concepts developed in a Portland State course on transportation and health taught by Prof. Kelly Clifton, who is a coauthor on the paper.

Individually, transportation and public health each have a wealth of research. That research doesn’t always cross over, Singleton said.

“The integration of these disciplines is in its infancy,” he said.

If transportation planning agencies were to fully consider transportation and health connections, those considerations would show up in their long-term plans, the research team reasoned. Performance measures would point to the potential effects of a health focus.

The researchers focused...

Read more

Liming WangTransportation Cost Index: A Comprehensive Performance Measure for Transportation and Land Use Systems and its Application in OR, FL, and UT” is a Portland State University research project that will be presented at the 2015 annual meeting of the Transportation Research Board.

Portland State University researchers Liming Wang and Jenny Liu are developing a comprehensive performance measure that enables planners and the public to evaluate the performance of transportation and land use systems over time and across geographic areas.

Transportation engineers have a long history of using performance measures such as the Highway Performance Monitoring System (HPMS) to evaluate the operation of the transportation system. Traditionally, such measures heavily focus on the traffic condition, especially for drivers. 

Since the last decade, especially with the...

Read more

A NITC Small Starts project has taken big steps toward connecting transit users with real-time transportation information about their communities.

The “Street Portals” project, headed by researchers Jason Germany and Philip Speranza of the University of Oregon, is reinventing transit kiosks – specifically bike share kiosks – and how users interact with them in public spaces.

Germany, an assistant professor of product design in UO's school of architecture and allied arts, has a background in designing consumer products and interfaces. Collaboration with Speranza, a practicing architect who was doing research in bottom-up urban design, led to the development of a test bed for interactive kiosks that could reshape the future of urban computing in several important ways.

Typical bike share stations have a kiosk with a touch screen interface that lets the user check out and return bicycles.

The NITC researchers are interested in creating a much richer experience that includes route planning assistance, personalized activity recommendations, and a sensitive interactive display.

The first step was to create a test bed: a sample kiosk built specifically for the purpose of testing...

Read more

Three students at NITC member universities have been awarded scholarships from the Portland, Oregon chapter of WTS.

Miranda Barrus, a civil engineering student at the Oregon Institute of Technology, is the 2014 recipient of the Sharon D. Banks Undergraduate Scholarship. The scholarship honors Sharon D. Banks, chief executive officer of AC Transit in Alameda-Contra Costa County, California, who led the agency in a pioneering effort to introduce cultural and organizational changes aimed at motivating the public transit work force.

Barrus serves as vice president of Oregon Tech’s student chapter of ITE, the Institute of Transportation Engineers. She also won a scholarship for the 2014-2015 school year from the Structural Engineers Association of Oregon Scholarship Foundation. She was selected for her leadership, participation in activities, and outstanding performance in engineering.

...

Read more

Portland State University has earned a reputation for innovative transportation programs that span multiple disciplines, all in service of livable communities. That expertise is now available in a single place through the newly renamed TREC, Portland State’s transportation research and education center.  

Growing out of OTREC, TREC is the steward of Portland State’s participation in the U.S. Department of Transportation’s University Transportation Centers program. The program has awarded Portland State more than $30 million since 2006, with a nonfederal match requirement amplifying the effect of the federal investment and touching more community partners. 

The new website, trec.pdx.edu, lets visitors search for transportation research and researchers across campus by topic or browse by research area. 

With leadership from Rep. Peter DeFazio, OTREC was founded in 2006 as a four-campus consortium and expanded into a broader transportation center. The original OTREC grant ran until 2014, funding 237 research, education and technology transfer projects. In addition to carrying on this legacy, TREC also:

  • Builds on the Center for Transportation Studies, established in 1966. The longstanding ...
Read more
NITC researchers have created a design manual to aid traffic engineers, transportation planners, elected officials, businesses and community stakeholders in re-envisioning their streets.
 
Traditionally, road design in the U.S. has been based on the simple principle of moving as many cars as possible.
 
The ...
Read more

Pages