TREC’s broad research program addresses complex transportation problems by drawing on multiple disciplines, including engineering, planning, economics and design, from across the Portland State University campus. Browse the featured projects below or use the search box at right to search for a specific project. NOTE: If you're looking for projects from our partner campuses, use the NITC research search.

Research Highlights

Evaluation of Bike Boxes at Signalized Intersections: Phase 2

Christopher Monsere
Analyses of motor vehicle and police-reported crash data reveal that nearly 68 percent of bicycle crashes in Portland, Oregon occur at intersections (PDOT, 2004) which is consistent with national trends (Hunter et al., 1996). Hunter et al. (1996) also found that 12.2% of crashes involving bicyclists and motor vehicles occurred when a motorist turned or merged into a cyclist's path. Of these intersection crash types, a common crash pattern is the "right hook," where right-turning motorists ... Read More

Extraboard Management

James Strathman
In the transit industry scheduled service delivery is organized around the assignment of vehicles and operators. These regular service assignments are typically made for three-month periods. In daily operations, however, scheduled operator assignments can open up as a result of absences, quits and retirements, promotions, in-service training, approved leaves, and personal days off. These daily open assignments are filled from a reserve pool known as extraboard operators. The proposed rese... Read More