Research Projects | Transportation Research and Education Center

Investigations in Transportation

Principal Investigator: Carol BiskupicKnight

Co-Investigator: William Becker

The Investigations in Transportation program is an elementary school partnership and curriculum development project to engage science, technology, engineering and mathematics (STEM) professionals in school-based activities and projects to bring real- ... Read More

Evaluation of Electric Bike Use at Three Kaiser Permanente NW Employment Centers in Portland Metro Region

Principal Investigator: John MacArthur

Co-Investigator: Jennifer Dill

Oregon, and Portland in particular, is internationally known for its love for bikes. Not only does the region have some of the highest bike ridership but the Oregon bike manufacturing industry is quickly growing. Oregon’s electric bike (e-bike) mar ... Read More

Improving Trip Generation Methods for Livable Communities

Principal Investigator: Kelly Clifton

Co-Investigator: Nico Larco

This NITC report offers a multimodal framework for transportation impact analysis – a welcome tool for professionals in many cities seeking more detailed data about non-drivers. Headed by Kelly Clifton of Portland State University and Nico Larco of ... Read More

Transportation Cost Index: A Comprehensive Performance Measure for Transportation and Land Use Systems and its Application in OR, FL, and UT

Principal Investigator: Liming Wang

Co-Investigator: Jenny Liu

MAP-21 and state laws are placing increasing emphasis on using comprehensive transportation performance measures that include mobility, safety, economy, livability, equity, and environmental to guide transportation decision-making. One of the toughes ... Read More

Using High-Resolution Bus Detection Data to Improve Travel Time Prediction and Identify Urban Congestion Spots

Principal Investigator: Miguel Andres Figliozzi

Co-Investigator: Robert Bertini

Transit travel time, operating speed and reliability all influence service attractiveness, operating cost and system efficiency. These metrics have a long-term impact on system effectiveness through a change in ridership. As part of its bus dispatch ... Read More

Utilizing Ego-centric Video to Conduct Naturalistic Bicycling Studies

Principal Investigator: Feng Liu

Co-Investigators: Miguel Andres Figliozzi , Wu-chi Feng

Bicycling is enjoying a surge in popularity across the USA but bicycle safety continues to remain a challenge. Cyclists (and pedestrians) are the most vulnerable road users since cyclist-vehicle collisions often result in severe injuries and have hig ... Read More

Tech Transfer: Tools for Assisting Low Income Households With Finding Location-Efficient Housing

Principal Investigator: Andree Tremoulet

Through a previously funded research project, Encouraging Low-Income Households to Make Location-Efficient Housing Choices, our team developed a toolkit to assist households utilizing Section 8 Housing Choice Vouchers with finding location-efficient/ ... Read More

Online Non-motorized Traffic Count Archive

Principal Investigator: Krista Nordback

Co-Investigator: Kristin Tufte

Robust bicycle and pedestrian data on a national scale would serve numerous purposes. Access to a centralized nonmotorized traffic count archive can open the door for innovation through research, design and planning; provide safety researchers with a ... Read More

Investigation of Bicycle and Pedestrian Continuous and Short Duration Count Technologies in Oregon

Principal Investigator: Krista Nordback

Co-Investigator: Miguel Andres Figliozzi

While motorized traffic counts are systematic and comprehensive, bicycle and pedestrian traffic is often unknown, which results in lack of planning or infrastructure for active transportation modes. Although there are many emerging technologies to co ... Read More

Active Travel Behavior and Spatial-Temporal Land Use Mixing

Principal Investigator: Steven Gehrke

Urban policies have emphasized the importance of land use mixing as an intervention beholding of lasting planning and public health benefits. Transportation planners have identified potential in efficiency gains achieved by increasing land use mix an ... Read More

Development of a Pedestrian Demand Estimation Tool

Principal Investigator: Kelly Clifton

There is growing support to improve the quality of the walking environment and make investments to promote pedestrian travel. Such efforts often require analytical non-motorized planning tools to estimate levels of pedestrian demand that are sensitiv ... Read More

Impact of Cascadia Subduction Zone Earthquake on the Seismic Evaluation Criteria of Bridges

Principal Investigator: Peter Dusicka

ODOT project page: http://www.oregon.gov/ODOT/TD/TP_RES/docs/stage1/2014stageone/14_087_Seismic_Evaluation_Criteria.pdf Under our current seismic design code, bridge designers ... Read More