TREC research addresses complex transportation problems by drawing on multiple disciplines, including engineering, planning, economics and design, from across the Portland State University campus. Use the search box at right to search for a specific project.

Research Highlights

Establishing Risk-based Bridge Management Models and Tools for Municipal Transportation Assets

David Yang
The Portland Bureau of Transportation (PBOT) manages a bridge inventory including National Bridge Inventory (NBI) bridges, non-NBI pedestrian bridges, and culverts. Historically, condition data has been stored in disparate and/or non-digital formats, hindering efficient management and decision-making for rehabilitation efforts. PBOT is addressing this by migrating to AASHTOWare BrM, a bridge management system, to digitize and standardize infrastructure data. However, this process faces… Read More

A Comprehensive Examination of Electronic Wayfinding Technology for Visually Impaired Travelers in an Urban Environment

Martin Swobodzinski Amy Parker
Human wayfinding and navigation are key organizing activities that allow human beings to acquire knowledge about the environment and develop cognitive representations in support of such essential tasks as route planning and travel. These activities are non-trivial in that they afford the activation of various cognitive systems and functions pertaining to wayfinding and navigation. Irrespective of the continuing proliferation of electronic travel aids and their evident facilitation of human… Read More