Bicycling is enjoying a surge in popularity across the USA but bicycle safety continues to remain a challenge. Cyclists (and pedestrians) are the most vulnerable road users since cyclist-vehicle collisions often result in severe injuries and have high fatality rates with respect to other types of collisions. In particular, intersections are one of the most critical areas in a road network given the high number of conflicts and accidents occurring at these locations. Existing data collection… Read More

The objective of this research is to provide a guide for state departments of transportation (DOTs) to better integrate active transportation into the institution’s plans, policies, and processes. The guide will also include a capability maturity model (CMM) to help agencies assess their readiness for improvements. The team is led by Dr. Jennifer Dill at the Transportation Research and Education Center (TREC) at Portland State University (PSU), along with Nathan McNeil and John MacArthur… Read More