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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.

NOTE: If you're looking for projects from our partner campuses, use the NITC research search.

Research Highlights

FHWA Guidebook for Measuring Multimodal Network Connectivity

Joe Broach
Jennifer Dill , Kelly Clifton
In 2018 the Federal Highway Administration issued a new guide, Measuring Multimodal Network Connectivity. TREC researchers contributed to the guidebook in partnership with Alta Planning + Design and ICF. The guide provides information on incorporating connectivity measures into state, metropolitan, and local transportation planning processes. It outlines five core components of pedestrian and bicycle network connectivity: network completeness, network density, route directness, access to dest... Read More

Subcontract: NCHRP 17-115 Guide for Marked Crosswalk Design, Spacing, Placement, and Safety

Sirisha Kothuri
Nathan McNeil
Project Lead: University of North Carolina at Chapel Hill | Project PI: Sarah O’Brien | PSU team PI: Sirisha Kothuri | In a project funded by the National Cooperative Highway Research Program (NCHRP), Portland State University is partnering with the University of North Carolina at Chapel Hill and Safe Streets to develop guidance to help agencies identify the appropriate crosswalk spacing to ensure that people can cross arterials and other streets at safe crossing locations, and that a... Read More