373 Results
Factors for Improved Fish Passage Waterway Construction, Phase 2
David Sillars
Trevor Smith , Hamid Moradkhani
Project Description: Roughened chutes (simulating natural stream passages) are a cost effective means to provide fish passage at locations where existing culverts and bridges are structurally sound yet do not meet current fish passage rules and regul ...
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Long term evaluation of individualized marketing programs for travel demand management
Jennifer Dill
Cynthia Mohr
This research examines the use of individualized marketing as a transportation demand management (TDM) strategy, using the City of Portland’s SmartTrips program. This research project has two specific aims: (1) to evaluate whether the benefits of t ...
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Operational Analysis of Transit Bus Collisions
James Strathman
This report analyzes factors contributing to bus operations safety incidents at TriMet, the transit provider for the Portland Oregon metropolitan region. The analysis focuses on 4,631 collision and non-collision incidents that occurred between 2006 a ...
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Access Management Best Practices Manual
Karen Dixon
This report reviews an Oregon research effort to develop an Oregon Access Management Best Practices Manual. In particular, this research effort develops a resource to help transportation professionals quantify safety and operational effects of variou ...
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Evaluation of Bike Boxes at Signalized Intersections
Jennifer Dill
Christopher Monsere
This report presents a before-after study of bike boxes at 10 signalized intersections in Portland, Oregon. The bike boxes, also known as advanced stop lines or advanced stop boxes, were installed to increase visibility of cyclists and reduce conflic ...
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Financing Mechanisms for Capacity Improvements at Interchanges
James Strathman
This report examines the use of alternative local financing mechanisms for interchange and interchange area infrastructure improvements. The financing mechanisms covered include transportation impact fees, tax increment financing, value capture finan ...
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Combined Seismic plus Live Load Analysis of Highway Bridges
Michael Scott
The combination of seismic and vehicle live loadings on bridges is an important design consideration. There are well-established design provisions for how the individual loadings affect bridge response: structural components that carry vertical live ...
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Trail Planning & Community Service Curriculum
Lynn Weigand
The objective of this project was to develop a new trail planning curriculum and conduct a regional trail research project in the Portland metropolitan area. The curriculum was created for a community service-based, University Capstone course at Port ...
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designBridge: Integrating Transportation into Service Learning Design/Build Projects
Nico Larco
John Rowell
This OTREC educational project joins transportation related issues with community oriented projects through the interdisciplinary work of designBridge, a student-based organization focused on service learning design/build projects. designBridge is ba ...
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Overlooked Density: Re-Thinking Transportation Options in Suburbia, Phase 2
Nico Larco
Comprising over 9 million units in this country, suburban multifamily housing is a widespread and overlooked example of density located within walking distance to commercial development in suburbia. This report focuses on resident demographics, attit ...
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Healthy Communities and Urban Design: A Multi-Disciplinary National Analysis of Travel Behavior, Residential Preference, and Urban Design
Jessica Greene
Marc Schlossberg , Daniel Rodriguez
This report summarizes the findings of a national project to examine the travel behavior, social capital, health, and lifestyle preferences of residents of neotraditional developments (NTD) compared to more standard suburban developments. We compare ...
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The Effectiveness of Vertebrate Passage and Prevention Structures: a Study of Boeckman Road in Wilsonville
Catherine Rivera
One of the most obvious impacts roads have on the natural world is direct mortality to individual animals that attempt to cross roads. A less obvious but likely more important impact of roads on many species is habitat fragmentation. The ability for ...
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