Research Highlights

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 (1,2,3,4). Established in 2004, PORTAL currently includes data recorded by approximately 600 freeway sensors in two states, plus hourly weather data, incident data, and variable message sign data. This project will advance PORTAL's capabilities i... Read More

Trip and Parking Generation at Transit-Oriented Developments

Reid Ewing
The decision of how best to allocate land around transit stations is a debated topic, with transit officials often opting for park-and-ride lots over active uses such as multifamily housing, office, and retail organized into transit-oriented developments (TODs). In practice, guidelines for providing parking and mitigating vehicle trips come mainly from the Institute of Transportation Engineers (ITE) Trip Generation Manual and the ITE Parking Generation Manual. However, both manuals have well-... Read More