51 Results

Peer-To-Peer Carsharing: Short-term effects on travel behavior in Portland, OR

Jennifer Dill
Nathan McNeil , Steven Howland
Peer-to-peer (P2P) carsharing is a relatively new concept in the U.S. Enabled by recent internet and mobile technology development, P2P carsharing generally involves a facilitating company connecting private vehicle owners to people who are intereste ... Read More

Exploring the positive utility of travel and mode choice

Patrick Singleton
Traditionally, travel is considered a disutility to be minimized, and travel demand is derived from activity demand. Recently, scholars have questioned these axioms, noting that some people may like to travel, use travel time productively, find other ... Read More

Adding Value to GPS Travel Data with New Open-Source Processing Software for Everyone

Jennifer Dill
Researchers and practitioners have a growing interest in using Global Positioning System (GPS) based travel data to augment or even to replace traditional diary-based surveys. GPS data promise improved accuracy and more detailed spatial data. Largely ... Read More

Improving Trip Generation Methods for Livable Communities

Kelly Clifton
Nico Larco
Recent efforts to improve trip generation data available for transportation impact analysis of new development include the collection of multimodal trip generation data, development of models that account for the built environment, and new recommend ... Read More

Exploiting New Data Sources to Quantify Arterial Congestion and Performance Measures at a Regional Scale

Miguel Figliozzi
Robert Bertini
Most urban vehicle miles traveled take place along arterials and collector streets. Arterials and collector streets are also essential to provide accessibility and provide mobility for public transportation fleets; these roadways constitute the back ... Read More

Utilizing Ego-centric Video to Conduct Naturalistic Bicycling Studies

Feng Liu
Miguel Figliozzi , Wu-chi Feng
Bicycling is enjoying a surge in popularity across the USA but bicycle safety continues to remain a challenge. Cyclists (and pedestrians) are the most vulnerable road users since cyclist-vehicle collisions often result in severe injuries and have hig ... Read More

Online Non-motorized Traffic Count Archive

Krista Nordback
Kristin Tufte
Jurisdictions around the country are collecting non-motorized traffic count data, but the lack of a centralized database inhibits data sharing and greatly reduces the utility of this important and growing dataset. Lack of access to count data has led ... Read More

Investigation of Bicycle and Pedestrian Continuous and Short Duration Count Technologies in Oregon

Krista Nordback
Miguel Figliozzi
While motorized traffic counts are systematic and comprehensive, bicycle and pedestrian traffic is often unknown, which results in lack of planning or infrastructure for active transportation modes. Although there are many emerging technologies to co ... Read More

Active Travel Behavior and Spatial-Temporal Land Use Mixing

Steven Gehrke
Urban policies have emphasized the importance of land use mixing as an intervention beholding of lasting planning and public health benefits. Transportation planners have identified potential in efficiency gains achieved by increasing land use mix an ... Read More

Development of a Pedestrian Demand Estimation Tool

Kelly Clifton
There is growing support to improve the quality of the walking environment and make investments to promote pedestrian travel. Such efforts often require analytical non-motorized planning tools to estimate levels of pedestrian demand that are sensitiv ... Read More

Washington State Pedestrian and Bicycle Miles Traveled Project

Krista Nordback
Estimates of vehicle miles traveled (VMT) drive policy and planning decisions for surface transportation. No similar metric is computed for cycling and walking. What approaches could be used to compute such a metric on the state level? This report di ... 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
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