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

Building Planner Commitment: Are Oregon’s SB 1059 & California’s SB 375 Models for Climate-Change Mitigation?

Keith Bartholomew Reid Ewing
Oregon’s Sustainable Transportation Initiative (SB 1059) and California’s Sustainable Communities Act (SB 375) have made them the first states in the nation to try and reduce greenhouse gas (GHG) emissions using the transportation-planning process. Evaluating how these pioneering laws have changed local planning processes – as well as plans themselves – in each state provides insight into the laws’ effectiveness at changing development patterns in a way that reduces GHG emissions, without… Read More

NCHRP 15-74 Safety Evaluation of On-Street Bicycle Facility Design Features

Christopher Monsere Sirisha Kothuri
https://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=4763 BACKGROUND While non-separated on-street bicycle facilities have been used in the United States for many years, separated on-street bicycle facilities are becoming increasingly popular. Many state and local departments of transportation (DOTs) have recently installed such facilities to address safety concerns and promote bicycling. Numerous other DOTs are exploring the potential for additional facilities to improve and… Read More