253 Results
Regional transportation and land use decision making: a multistate analysis
Richard Margerum
Robert Parker , Susan Brody , Terry Moore , Gail McEwen
Throughout the United States, metropolitan regions face increasingly complex issues related to transportation and land use. The diffuse nature of decision making creates a need to better coordinate land use and transportation to address issues such a ...
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Tools for Gusset Plate Evaluation
Christopher Higgins
Peter Dusicka , Michael Scott
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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Exploiting a Next Generation ITS Data Warehouse for Improved System Performance and Congestion Monitoring
Kristin Tufte
David Maier
The objective of this project is to build on an existing data archive platform, known as the Portland Oregon Regional Transportation Archive Listing (PORTAL) toward development of next generation performance measurement and congestion reduction tools ...
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Fusion and Integration of Arterial Performance Data
Kristin Tufte
Real-time knowledge of system performance enables transportation agencies to manage traffic conditions and keep the public informed of periods of congestion. The ability to accurately measure arterial performance has been limited primarily by the ava ...
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Impacts of Neighborhood Electric Vehicles (NEVs) on transportation infrastructure safety and regulation
Kate Hunter-Zaworski
Linda Cornell
There are increasing numbers of low-speed electric vehicles (LSVs) on public roadways. These vehicles are designed to be used within protected environments and on roadways with a maximum posted speed of 25 mph. Currently these vehicles are not subjec ...
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Incorporating New Data Needs into Travel and Activity Surveys
Jennifer Dill
Asha Weinstein Agrawal
This project aims to answer the following question: How can regional and national travel and activity diary surveys be modified to collect the new types of data needed to meet today's planning needs? In particular, how can the surveys be modified to: ...
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Analyzing and Quantifying the Impact of Congestion on LTL Industry Costs and Performance in the Portland Metropolitan Region
Miguel Andres Figliozzi
Christopher Monsere
Increased congestion during peak morning and afternoon periods in urban areas is increasing logistics costs. In addition, environmental, social, and political pressures to limit the impacts associated with CO2 emissions are mounting rapidly. A key ch ...
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Analysis of Travel Time Reliability for Freight Corridors Connecting the Pacific Northwest
Miguel Andres Figliozzi
A new methodology and algorithms were developed to combine diverse data sources and to estimate the impacts of recurrent and non-recurrent congestion on freight movements’ reliability and delays, costs, and emissions. The results suggest that tradi ...
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Extraboard Management
James Strathman
This paper examines extraboard operations and management at TriMet, the transit provider for the Portland Oregon metropolitan area. The extraboard consists of a pool of operators who fill open work resulting from absences and other causes. The paper ...
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Maintaining Safe, Efficient and Sustainable Intermodal Transport through the Port of Portland
David Jay
Jiayi Pan
About $15 billion of freight passes annually through the Lower Columbia River (LCR) navigation channel to reach Portland and Vancouver, where most of it connects with land transport. This commerce plays a vital role in sustaining the regional economy ...
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Green and Economic Fleet Replacement Modeling
David Kim
Miguel Andres Figliozzi , David Porter
The purpose of this study was to gain a better understanding of how equipment replacement decisions are supported with data collection and quantitative models at state DOTs, and to determine if models found in the research literature offer any better ...
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Wireless Data Collection System for Real-Time Arterial Travel Time Estimation
David Porter
David Kim , Mario E. Magana
This project pursued several objectives conducive to the implementation and testing of a Bluetooth (BT) based system to collect travel time data, including the deployment of a BT-based travel time data collection system to perform comprehensive testi ...
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