Shared Space and Bicyclists
Allison Duncan
Shared space is a traffic calming technique and design concept. The technique is relatively new, and the majority of existing research concerns pedestrians only. This mixed methods study will be international in scope focusing on intersections in E ...
Read More
Evaluation of Speed Activated Displays on Curves
Christopher Monsere
This project is a national demonstration project to evaluate the effectiveness of dynamic speed signs on high crash curves on two-lane rural roadways in seven states to decrease speeds and reduce crashes. The team has installed and is monitoring sign ...
Read More
Bicyclists’ Uptake of Traffic-Related Air Pollution: Effects of the Urban Transportation System
Alex Bigazzi
While bicyclists and other active travelers obtain health benefits from increased physical activity, they also risk uptake of traffic-related air pollution. But pollution uptake by urban bicyclists is not well understood due to a lack of direct measu ...
Read More
Vehicle acquisition and disposal/ Multi-modal Household Vehicle Fleets and Residential Location Choices
Roger Chen
Vehicle availability significantly affects household travel behaviors and consequently affects the requirements for modeling and forecasting of household travel decisions under future or alternative scenarios. Household vehicle fleets are not acquire ...
Read More
Multiday GPS Travel Behavior Data for Travel Analysis: The Effect of Day-to-Day Travel Time Variability on Auto Travel Choices
Jennifer Dill
This project explored the potential of archived multi-day GPS data to expand the understanding of travel-time reliability. While reliability is often observed and considered at the system or segment level, travel-time uncertainty is also experienced ...
Read More
Bridge Seismic Retrofit Measures Considering Subduction Zone Earthquakes
Peter Dusicka
Seismic retrofit implementation in the state has been minimal due to a lack of funding, and when retrofitshave occurred, the scopewas typically limited to phase I retrofit by providing restrainers for keeping the superstructure from sliding from the ...
Read More
Evaluating the Use of Crowdsourcing as a Data Collection Method for Bicycle Performance Measures and Identification of Facility Improvement Needs
Miguel Andres Figliozzi
Although there is a great body of knowledge and practice to measure motorized vehicle highway infrastructure performance levels and activity, the same cannot be said about bicycle infrastructure performance and network usage. Although the Oregon Depa ...
Read More
2014 Transit Oriented Developments Survey
Jennifer Dill
Nathan McNeil
This report presents results from surveys of residents at several transit-oriented developments (TODs) in Portland, Hillsboro, Tigard, and unincorporated Clackamas County. The research complements our previous survey work for Metro done at eight TODs ...
Read More
Understanding Market Segments for Current and Future Residential Location and Travel Choices
Kelly Clifton
Jenny Liu , Roger Chen
This project aims to examine the connections between residential location choices and travel at the household level with an emphasis on identifying current residents' preferences for their future housing, neighborhood and transportation choices (coll ...
Read More
Safety Effectiveness of Pedestrian Crossing Enhancements
Christopher Monsere
Miguel Andres Figliozzi
The objective of this research is to estimate the effectiveness of PCEs on multimodal safety in Oregon design contexts to derive CMFs calibrated to Oregon (i.e. not only pedestrian crashes but also motorized vehicles and bicycle crashes in the vicini ...
Read More
Incorporating Pedestrian Considerations into Signal Timing
Sirisha Kothuri
The role of walking in the development of healthy, livable communities is being increasingly recognized. In urban areas, intersections represent locations where different modes converge, and are often viewed as deterrents to walking. This is due to t ...
Read More
Travel Mode Choice Framework Incorporating Realistic Bike and Walk Routes
Joe Broach
For a number of reasons (congestion, public health, greenhouse gas emissions, energy use, demographic shifts, and community livability to name a few), the importance of walking and bicycling as transportation options will likely continue to increase. ...
Read More