This research report supports the AASHTO Highway Safety Manual by establishing the methods for ensuring reliable results in crash prediction models.

This research report outlines a procedure for using crash modification factors (CMFs) to understand and quantify the effect of a transportation investment on the system. The report dives into great detail on how to select and adjust CMFs for different pavement and bridge assets, how to apply the CMFs in investment decisions, and how to develop new CMFs that account for important factors relating to the location and asset type.

Transportation resilience comes in many forms, including natural disasters, unexpected infrastructure failures, and cyber attacks. Transportation agencies and the executives who lead them must be prepared to act quickly and efficiently to restore service to the system when adverse events occur. This brief report covers how CEOs can improve the resiliency of their organization through operational and strategic planning and strong understanding of the technical and policy factors.