Research Projects | Transportation Research and Education Center

Evaluation Research on Respectful Workplaces in Highway Construction

Principal Investigator: Maura Kelly

Co-Investigator: Lindsey Wilkerson

Oregon Tradeswomen Inc, in partnership with Green Dot Etcetera, Oregon construction contractors, BOLI/ODOT, and PSU researchers, is piloting an adaptation of the Green Dot bystander intervention program for the highway construction trades. This progr ... Read More

Survey of Oregon Electric Vehicle & Hybrid Owners

Principal Investigator: John MacArthur

The market for electric vehicles (EVs) is changing dramatically in the United States. Federal and state policies have been adopted to promote research and development in EV technology and to increase the number of EVs available in order to support in ... Read More

Improved Safety and Efficiency of Protected/Permitted Right Turns in Oregon

Principal Investigator: Christopher Monsere

Co-Investigators: Sirisha Kothuri , David Hurwitz

This research aimed to develop an understanding of the safety and operational implications of using the flashing yellow arrow (FYA) in permitted and protected/permitted right turn (PPRT) operations to maximize safety and efficiency. This report inclu ... Read More

Understanding the Accessibility, Economic and Social Equity Impacts of Urban Greenway Infrastructure

Principal Investigator: Jenny Liu

“City Greenways” is a concept proposed as a part of Portland’s 2035 Comprehensive Plan, which calls for a citywide network of park-like pedestrian and bicycle friendly streets crisscrossing the city at roughly three-mile intervals. This researc ... Read More

Transferability & Forecasting of the Pedestrian Index Environment (PIE) for Modeling Applications

Principal Investigator: Kelly Clifton

There have been important advances in non-motorized planning tools in recent years, including the development of the MoPeD pedestrian demand model (Clifton et al., 2013, 2015). This tool and others are increasingly requested by governments and agenci ... Read More

The Contribution of Transportation and Land Use to Citizen Perceptions of Livability in Oregon MPOs

Principal Investigator: Rebecca Lewis

Co-Investigator: Robert Parker

Livability is a key focus of integrating transportation and land use planning throughout the United States, and the world. Livability is a concept that has been guiding U.S. Department of Transportation (USDOT) policy since 2009, focusing on six prin ... Read More

FHWA Guidebook for Measuring Multimodal Network Connectivity

Principal Investigator: Joe Broach

Co-Investigators: Jennifer Dill , Kelly Clifton

In 2018 the Federal Highway Administration issued a new guide, Measuring Multimodal Network Connectivity. TREC researchers contributed to the guidebook in partnership with Alta Planning + Design and ICF. The guide provides information on incorporatin ... Read More

Smart, Shared, and Social: Enhancing All-Hazards Transportation Recovery Plans with Demand Management Strategies and Technologies

Principal Investigator: John MacArthur

Natural disasters, acts of terrorism, and other emergency incidents can affect multiple jurisdictions simultaneously. Major disasters, such as earthquakes, create large-scale impacts that require outside assistance even for the most prepared local pu ... Read More

Improving Bicycle Crash Prediction for Urban Road Segments

Principal Investigator: Sirisha Kothuri

Co-Investigators: Krista Nordback , Wesley Marshall

The 2010 Highway Safety Manual (HSM) provides methods for predicting the number of motor vehicle crashes on various roadway facilities (AASHTO, 2010). However, it includes only a simplistic method for predicting the number of bicycle-related crashes. ... Read More

Addressing Bicycle-Vehicle Conflicts with Alternate Signal Control Strategies

Principal Investigator: Sirisha Kothuri

Co-Investigators: Christopher Monsere , Krista Nordback , Edward Smaglik

There is nationwide interest in supporting sustainable and active transportation modes such as bicycling and walking due to the many benefits associated with them, including reduced congestion, lower emissions and improved health. Although the number ... Read More

A North American Survey of Electric Bicycle Owners

Principal Investigator: John MacArthur

Co-Investigator: Christopher Cherry

Electric bicycle (e-bike) use is a rising phenomenon in North America as a growing number of manufacturers produce a variety of bicycles which can accommodate the needs of diverse populations. With the growth of the e-bike industry, e-bike users are ... Read More

Community-based Assessment of Transportation Needs to inform City of Portland Smart Cities Plan

Principal Investigator: Aaron Golub

The Portland Smart Cities UB Mobile PDX proposal is being transformed into a City of Portland Smart cities plan. The original proposal focused strongly on developing mobility solutions that would serve traditionally underserved populations. As the pr ... Read More