Tools for Gusset Plate Evaluation, Phase 2: Strengthening
Christopher Higgins
Peter Dusicka
The collapse of the I-35W Bridge in Minneapolis, Minnesota has raised questions regarding the performance and possibly safety of steel truss bridges. The failure investigation indicated that the collapse was due to a design error in the gusset plates ...
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Improved Pedestrian Safety at Signalized Intersections Operating the Flashing Yellow Arrow
David Hurwitz
Christopher Monsere
In some jurisdictions, protected left-turn phasing has been replaced with the flashing yellow arrow (FYA) for protected/permissive left turns (PPLTs) to reduce delay. However, it is important to have a thorough understanding of the conflict between p ...
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Bluetooth Travel Time Testing
Christopher Monsere
The Oregon Department of Transportation has implemented a travel time reporting system that utilizes wireless technology to estimate travel times along a five mile corridor of OR-99W in Tigard, Oregon. The system calculates the travel time by measuri ...
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Examining Consumer Behavior and Travel Choices
Kelly Clifton
This study represents a first attempt to answer a few of the questions that have arisen concerning multimodal transportation investments and the impacts of mode shifts on the business community. This research aims to merge the long history of scholar ...
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Livability Performance Metrics for Transit
Marc Schlossberg
Jennifer Dill , Nico Larco
This project sought to understand the relationship between urban form, transit service characteristics, and ridership measured at the stop level. Most previous work in this area has looked at these issues separately, by either linking system performa ...
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Multimodal Data at Signalized Intersections: Strategies for Archiving Existing and New Data Streams to Support Operations and Planning
Christopher Monsere
Kristin Tufte
There is a growing interest in arterial system management due to the increasing amount of travel on arterials and a growing emphasis on multimodal transportation. The benefits of archiving arterial-related data are numerous. This research report desc ...
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Transit Bus Fleet Management and Optimization Models Addressing New Engine Technologies and Emissions Constraints
Miguel Andres Figliozzi
Ashley Haire
Due to recent budget and fiscal constraints, it is ever more imperative for transit agencies to manage their fleets in an optimal way. Fleet data have consistently shown that bus operational and maintenance (O&M) per-mile costs increase as buses age. ...
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Refining GreenSTEP: Impacts of Vehicle Technologies and ITS/Operational Improvements on Travel Speed and Fuel Consumption Curves
Kelly Clifton
Alex Bigazzi
This report describes analysis undertaken to establish a method for incorporating traffic operations and ITS strategies into the GreenSTEP model. We first discuss operations impacts on fuel economy and delay from the literature. Then, an investigatio ...
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Expanding Development of the Oregon Traffic Safety Data Archive: Phase 3
Christopher Monsere
As early as 1924, the need for safety-knowledge was recognized. At a national conference on street and highway safety it was reported that safety data “are so vital to any comprehensive understanding and treatment of the safety problem that the ...
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Pedestrian and Bicycle Master Planning: Training for Practitioners
Lynn Weigand
The growing focus on context sensitive solutions and design in roadway planning, increased support for addressing public health objectives through transportation and land use planning, and concerns about oil dependence and global warming all point to ...
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Enhancing Bicycle and Pedestrian Education through Curriculum and Faculty Development
Lynn Weigand
This project was intended to provide relevant curriculum on bicycle and pedestrian transportation that can be used by planning and engineering faculty to integrate these topics into their course offerings. We developed a module-based curriculum for b ...
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Investigation of Extant Dynamic Traffic Assignment (DTA) Tools
John Gliebe
A case study was undertaken in order to evaluate the potential use of dynamic traffic assignment (DTA) tools by Oregon Department of Transportation (ODOT) and its partner agencies. The objectives of this study were to provide insight into the nature ...
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