The seminars are supported by the Toulan School of Urban Studies and Planning and the Department of Civil and Environmental Engineering, and the National Institute for Transportation and Communities (NITC).
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A Conceptual Framework for Understanding Latent Demand: Accounting for Unrealized Activities and Travel
Kelly Clifton
4-21-2017
Latent demand—the activities and travel that are desired but unrealized because of constraints—have been historically examined from the standpoint of understanding the impacts of proposed capacity or service improvements on ...Read More
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Getting to Know the Data: Understanding Assumptions, Sensitivities, Uncertainty, and Being "Conservative" While Using ITE's Trip Generation Data in the Land Development Process
Kristina Marie Currans
4-14-2017
Many agencies rely on trip generation estimates to evaluate the transportation impacts of land development in urban and suburban areas alike. Over the past decade, substantial attention has been paid ...Read More
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Urbanism Next: How Technology is Changing Our City
Nico Larco
4-7-2017
Advances in technology such as the advent of autonomous vehicles (AV’s), the rise of E-commerce, and the proliferation of the sharing economy are having profound effects not only on how ...Read More
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Dynamic Assignment Models and their Application in the Portland Metro Region
Peter G. Bosa
3-17-2017
Metro's Research and Modeling Services Program is responsible for the development, maintenance, and application of travel demand models for application in long-range planning efforts in the Portland metropolitan region.
Representation ...Read More
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Addressing Data Challenges for Bicycle Crash Analysis
Eleni Christofa
3-10-2017
Although an increasing number of separated bicycle facilities have been appearing across the US over the last few years, the majority of bicyclists are still traveling on roadways shared with ...Read More
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Big Data and the Future of Travel Modeling
Greg Macfarlane
3-3-2017
New technologies such as smart phones and web applications constantly collect data on individuals' trip-making and travel patterns. Efforts at using these "Big data" products, to date, have focused on ...Read More
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Impact of Bike Facilities on Residential Property Prices
Wei Shi
2-24-2017
As many cities are investing in street improvement or transportation infrastructure upgrade projects to provide better bike access or more complete bike networks, the economic value of bike infrastructure and ...Read More
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Exploring the Positive Utility of Travel and Mode Choice
Patrick Allen Singleton
2-24-2017
Why do people travel? We traditionally assume traveling is a means to an end, travel demand is derived (from the demand for activities), and travel time is to be minimized. ...Read More
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Using Fuzzy Cognitive Maps to Model Policy Issues in the face of Uncertainty and Limited Data
Brian Gregor
2-17-2017
Planners and policymakers are often faced with the need to make decisions about issues for which there is uncertainty and limited data. For example, transportation planners are now faced with ...Read More
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Individual Decision Making in Online Public-Participation Transportation Planning
Martin Swobodzinski
2-10-2017
The empirical evaluation of complex decision support systems is often limited to the self-reported satisfaction of the systems’ users.
Such an approach is problematic due to the conflation of the ...Read More
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Estimating Reliability Indices and Confidence Intervals for Transit and Traffic at the Corridor Level
Travis B. Glick
1-27-2017
As congestion worsens, the importance of rigorous methodologies to estimate travel-time reliability increases. Exploiting fine-granularity transit GPS data, this research proposes a novel method to estimate travel-time percentiles and confidence ...Read More
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Current Efforts to Make Bike Share More Equitable: A Survey of System Owners and Operators
Steven Howland
1-27-2017
The number of public bike share systems has been increasing rapidly across the United States over the past five to ten years. To date most academic research around bike share ...Read More
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Measuring Stress Levels for Real-World On-Road Cyclists: Do Bicycle Facilities, Intersections and Traffic Levels Affect Cyclists' Stress?
Álvaro Caviedes
1-20-2017
This research effort presents a novel approach to measure cyclists’ stress: real-world, on-road measurements of physiological stress as cyclists travel across different types of bicycle facilities in various traffic volumes. ...Read More
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A Pathway Linking Smart Growth Neighborhoods to Home-Based Pedestrian Travel
Steven R. Gehrke and Kelly J. Clifton
1-20-2017
Land development patterns, urban design, and transportation system features are inextricably linked to pedestrian travel. Accordingly, planners and decision-makers have turned to integrated transportation-land use policies and investments to address ...Read More
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Avoiding Bus Bunching: From Theory to Practice
Ricardo Giesen
1-13-2017
The problem of bus bunching in a high frequency service has been largely studied in the literature.
This phenomenon is produced by three main factors
(i) the variability in travel ...Read More
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Peak Pedaling: Has Portland Bicycling reached the Top of the Logistic Curve?
Robert McCullough
12-6-2016
The recent City Club report on bicycling provided an opportunity to collect and analyze a number of data sets including the new Hawthorne Bridge data. One question is where Portland ...Read More
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Pricing and Reliability Enhancements in the San Diego Activity-Based Travel Model
Joel Freedman
12-2-2016
The estimation of demand for priced highway lanes is becoming increasingly important to agencies seeking to improve mobility and find alternative revenue sources for the provision of transportation infrastructure.
However, ...Read More
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Realistic or Utopian? Coordinating Transit and Land Use to Achieve Equitable Transit-Oriented Development
Ian Carlton
11-18-2016
Equitable transit-oriented development (E-TOD)—the prioritization of social equity as an outcome of TOD implementation—has become a U.S. DOT policy stance, an objective of many other government bodies, and part of ...Read More
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Lessons from the Development of a Guidebook on Pedestrian and Bicycle Connections to Transit
Nathan McNeil, Allison Boyce Duncan, and Drew DeVitis
11-4-2016
To improve safety and increase transit use, transit agencies and the jurisdictions they serve have to approach transit service as door-to-door not just stop-to-stop.
Walking and bicycling are key modes ...Read More
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Smart Cities: Improving the Roadside Environment with Distributed Sensor Systems
Christine M. Kendrick
10-28-2016
The City of Portland is exploring how distributed "Internet of Things" (IoT) sensor systems can be used to improve the available data that is usable by city engineers, planners, and ...Read More
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Congestion Modeling and Mitigation in the National Airspace System
David Lovell
10-25-2016
Dr. Lovell will talk about three projects funded by NASA and the FAA, addressing congestion in the National Airspace System. Dr. Lovell's team developed diffusion-based queuing models of individual airports ...Read More
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Development of the Idaho Statewide Travel Demand Model Trip Matrices Using Cell Phone OD Data and Origin Destination Matrix Estimation
Ben Stabler
10-24-2016
As part of the initial phase of development for the Idaho Statewide Travel Demand Model, Parsons Brinckerhoff developed a base year auto and truck trip matrix using AirSage cell phone ...Read More
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Planning Transportation for Recreational Areas
Anne Dunning
10-21-2016
Population growth and increased accessibility of formerly remote destinations have created new needs for planning mobility to and within recreational areas.
Transportation planners studying recreational travel face unusual travel-demand peaks, ...Read More
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Understanding Where We Live and How We Travel
Kristina Marie Currans
10-17-2016
Understanding changing residential preferences—especially as they are represented within land use and travel demand models—is fundamental to understanding the drivers of future housing, land use and transportation policies. As communities ...Read More
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Can Location Value Capture Pay for Transit? Organizational Challenges of Transforming Theory Into Practice
Deborah Salon
10-14-2016
Successful public transit systems increase the value of locations they serve. Capturing this location value to help fund transit is often sensible, but challenging.
This presentation will define location value ...Read More