PeopleforBikes- Living Lab Evaluation

John MacArthur
Researchers will conduct an evaluation of the Better Bike Share Partnership (BBSP) Living Lab. BBSP provided five organizations in Detroit, Chicago, Cincinnati, Portland and Philadelphia with funding, support and resources to develop best practices a ... Read More

State DOT and Tribal Use of Active Transportation Data: Practices, Sources, Needs, and Gaps (NCHRP 07-31)

Jennifer Dill
Nathan McNeil , Sirisha Kothuri
This project is led by the Transportation Research and Education Center (TREC) at Portland State University (PSU), in collaboration with the Institute for Tribal Government (ITG) at PSU, Toole Design Group, the Highway Safety Research Center at Unive ... Read More

Exploring Bike Bus Programs in the United States

John MacArthur
Nathan McNeil
The trip to and from school is made by nearly every child in Oregon every school day. Bike and walk buses, or organized groups of school children, parents, and ride/walk leaders, seek to encourage biking and walking to school. Aside from mitigating s ... Read More

A Research Roadmap for Institutionalizing Transportation Equity (NCHRP 20-123(19))

Aaron Golub
Nathan McNeil
The American Association of State Highway Transportation (AASHTO) Strategic Plan includes a goal of promoting diversity in all AASHTO activities, collaborating with traditional and nontraditional partners to support equity and social justice objectiv ... Read More

E-commerce Impacts on Oregon Household Level Deliveries, Trips, and VMT

Miguel Andres Figliozzi
The last decade saw double-digit growth of e-commerce sales, both in the US and Oregon, which translates to more delivery vehicles on the roads to meet this demand. However, there is no observed data available to determine the net impacts on system u ... Read More

Effects of Neighborhood Greenways on Active Transportation Behavior and Perceptions in Portland, Oregon

Jennifer Dill
Nathan McNeil , Katsuya Tanaka
Streets play an important part in the daily lives of most people, serving as vital connections to employment, recreation, socialization and much more. Streets (including sidewalks) also serve as important places in and of themselves, including as loc ... Read More

Framework and Methodology for Risk-Based Bridge and Tunnel Asset Management

David Yang
Arash Khosravifar , Diane Moug , Avinash Unnikrishnan
Bridges and tunnels need to address the daily transportation needs of the traveling public and provide capacity and emergency service before/during/after extreme events. States may achieve the best possible transportation network performance through ... Read More

FORTH Community Carsharing: Ensuring Equitable Access to Electric Transportation

John MacArthur
The Affordable Mobility Platform (AMP) is a nationwide community carsharing program providing electric vehicles to affordable housing locations. Forth Mobility (https://forthmobility.org/) is working with local partners including utilities and co ... Read More

Guide for Addressing Encampments on State Transportation Rights-of-Way (NCHRP 20-129)

Marisa Zapata
John MacArthur , Hau Hagedorn
The number of people experiencing homelessness in the United States has increased in recent years; state transportation rights-of-way (ROWs) are often some of the most accessible areas to set up temporary encampments. This growing trend of encampment ... Read More

Risk-Based Methodology for Structural Evaluation of Bridge-Sized Culverts

David Yang
Kevin White , Timothy Wood
Many long-span culverts are subject to loads from heavy trucks, and thus need to be evaluated for their load carrying capacities to estimate safety margins. However, the current manual on bridge evaluation provides limited guidance for bridge-sized c ... Read More

Improving Guidance for Automated Speed Enforcement

Miguel Andres Figliozzi
PROBLEM SUMMARY Fatal and severe injury crashes are on the rise in Oregon with one of the prominent factors being excessive speeding. As many cities and communities expand walking and cycling infrastructure there has been an increase in pedestrian ... Read More

Validation of the New Speed Zoning Method for Urban Arterials and High-Speed Roadways in Terms of Speed Compliance and Safety Outcomes

Jason Anderson
The evaluation of the current ODOT methodology will focus on higher speed roadways such as arterials and roadways with a record of high severity injuries. This will require investigating ways agencies have found to balance between local safety needs ... Read More
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