32 Results

An Electric Bus Deployment Framework for Improved Air Quality and Transit Operational Efficiency

Xiaoyue Liu
Aaron Golub , Ran Wei
Public transit, compared with passenger cars, can effectively help conserve energy, reduce air pollution, and optimize flow on roadways. In recent years, Battery Electric Bus (BEB) is receiving an increasing amount of attention from transit vehicle i ... Read More

Social-Transportation Analytic Toolbox (STAT) for Transit Networks

Xiaoyue Liu
Ran Wei , Aaron Golub , Liming Wang
This research project will build an open-source socio-transportation analytic (STAT) toolbox for public transit system planning, in an effort to integrate social media and general transit feed specification (GTFS) data for transit agencies in evaluat ... Read More

Revisiting TODs: How Subsequent Development Affects the Travel Behavior of Residents in Existing Transit-Oriented Developments

Nathan McNeil
Jennifer Dill
Portland State University has worked with the Portland Metro regional government periodically since 2005 to survey occupants of buildings for which developers had received funding from Metro’s Transit-Oriented Development (TOD) Program. The TOD pro ... Read More

Developing Data, Models, and Tools to Enhance Transportation Equity

Amy Lubitow
Julius McGee , Raoul Liévanos
Despite recent improvements in transportation accessibility assessments and transportation survey methodologies, there are still challenges in engaging hard to reach populations in transportation surveys, such as low-income, minority, and transit-dep ... Read More

Improving Integration of Transit Operations and Bicycle Infrastructure at the Stop Level

Miguel Figliozzi
The interaction between transit vehicles and bicycles can create conflict when both share the same space. In particular, the location of transit stops poses specific challenges along bicycle facilities. Little research exists to offer insight on how ... Read More

Access to Opportunities: Redefining Planning Methods and Measures for Disadvantaged Populations

Arlie Adkins
Stephen Mattingly
This project will be made up of two separate studies that together will investigate areas where transportation planning and engineering can better serve disadvantaged and underserved communities. An interdisciplinary team of planning and public healt ... Read More

Life-space mobility and aging in place

Ivis Garcia Zambrana
Alan DeLaTorre
Research on older adults explores the notion of “aging in place”—providing older adults the opportunity to continue to occupy familiar surroundings, to live in their own homes and communities. But oftentimes one’s ability to stay or leave, pa ... Read More

A Comprehensive Examination of Electronic Wayfinding Technology for Visually Impaired Travelers in an Urban Environment

Martin Swobodzinski
Amy Parker
Human wayfinding and navigation are key organizing activities that allow human beings to acquire knowledge about the environment and develop cognitive representations in support of such essential tasks as route planning and travel. These activities a ... Read More

Incorporate Emerging Travel Modes in the Regional Strategic Planning Model (RSPM) Tool

Liming Wang
Jennifer Dill , Kelly Clifton
Performance-based planning helps local and state decision makers to understand the potential impacts of policy decisions, supporting cost-effective investments and policy choices that can help achieve policy goals. In addition, it can enable monitor ... Read More

Evaluating and Enhancing Public Transit Systems for Operational Efficiency, Service Quality and Access Equity

Ran Wei
Liming Wang , Aaron Golub , Thomas Cova
Regular assessment and improvement of the performance of public transit systems are essential for transit service providers given limited funding and growing public needs. Performance evaluation can help transit agencies identify underperforming serv ... Read More

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

John MacArthur
In September 2015, The Federal Transit Administration (FTA), an agency of the U.S. Department of Transportation (USDOT), awarded a research grant to Portland State University (PSU) as part of its Innovative Safety, Resiliency, and All Hazards Emergen ... Read More

FTA Manual on Pedestrian and Bicycle Connections to Transit

Jennifer Dill
Nathan McNeil
This manual provides a compendium of best practices to help transit and other transportation professionals improve pedestrian and bicycle safety and access to transit, including information on evaluating, planning for, and implementing improvements t ... Read More
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